CS504 - Software Engineering - I Online Solved Quizzes/MCQ's File No 3

Regarding Flow Chart which of the following statement(s) is/are TRUE:
Select correct option:
Flow charts are usually used to describe flow of control in a system ok
Flow Charts just show the flow of the data in a system.
Looping or Iterations can not be represented in Flow Chart
None of given options

Data Flow Model:
Select correct option:
Captures the flow of data in a system
Helps in developing an understanding of system’s functionality
Describes data origination, transformations and consumption in a system
All of the given options ok

Which of following is/are among ten things,which the basic template of GOF design pattern includes.

Select correct option:

Problem

Context

Forces

All of the given

Question # 4 of 10 ( Start time: 06:18:40 PM ) Total Marks: 1

Vertical partitioning is also known as…..

Select correct option:

Balancing

Mutating

Parallelizing

Factoring

Question # 4 of 10 ( Start time: 06:18:40 PM ) Total Marks: 1

Vertical partitioning is also known as…..

Select correct option:

Balancing

Mutating

Parallelizing

Factoring

Question # 5 of 10 ( Start time: 06:20:06 PM ) Total Marks: 1

Patterns are devices that allow programs to share knowledge about their -------------.

Select correct option:

Code

Design

Analysis

None of the given

Question # 6 of 10 ( Start time: 06:22:07 PM ) Total Marks: 1

Client server model tries to …….data and processing.

Select correct option:

Distribute

Merge

Clone

Proceed

A Process in Data Flow Diagram (DFD) represents
Select correct option:
Flow of data
Transformation of data ok
Storage of data
An external agent

Construction activities are directly related to software _________.
Select correct option:
Management
Planning
Quality Assurance
Development ok

The process of utilizing our knowledge of computer science in effective production of software systems is called ________.
Select correct option:
Chemical Engineering
Electrical Engineering
Computer Engineering
Software Engineering ok

The data on which the program operates is also considered as part of the ________.
Select correct option:
Important Data
Software ok
Logical Data
Utility Software

Code should not be:
Select correct option:
commented (Page 162)
indented
cryptic
aligned

Complex expressions:
Select correct option:
Make the code easy to modify
Make the code difficult to modify
Make the code easy to understand
Does not effect understandablity

________ and _________ are two important tools that helps in managing the program complexity.
Select correct option:
Composition, Inheritance
Abstraction, Encapsulation (Page No. 170)
Aggregation, Inheritance
Modularity, Composition

A self documenting code is a code that explains itself without the need of comments and extraneous documentation, like _______
Select correct option:
Flowcharts
UML diagrams
Process-flow state diagrams
All of the given choices (Page no. 147)

Global variables in C++ should always be referred to by using the
Select correct option:
:: operator (Page No. 150)
: operator
Without an operator

None of the given

The number __________ is the most abused symbol in programs written in C or C++.
Select correct option:
1
0 (Page No. 169)
2
3

The expressions with logical operators can be evaluated only from ___________________.
Select correct option:
Right to left
Left to right (Page No. 173)
Top to bottom
Bottom to top

Which indent size eliminates the chance of code lines splitting?
Select correct option:
2 (Page No. 163)
4
3
6

Class variables should never be declared public. Public variables violate which of the following:
Select correct option:
Information hiding
Encapsulation
Information hiding and Encapsulation (Page No. 158)
None of the given

________ and ________ are important short circuiting logical operators. a.AND b. OR c. NOT d. NOR
Select correct option:
a & b Correct
b & c
c & d
a & c

DFD Notation contains

► Data Store

► Extenal Agents

► Processes

► All of the given chap4 page 10

A complex System evolves from a

► smaller system

► medium sysetem

► bigger system

► non of the given chapter 6 p2 (simple system)

Requirement engineering mainly deals with the -------------- of the system

► definition phase chapter 3 p 2

► development phase

► maintenance

► non of the above

Insufficient user involvement leads to ------------- products.

► unacceptable chapter 3 p 5

► ambigious

► dissatisfaction of customer to

► non of the above

No: 10 ( Marks: 1 ) - Please choose one

Which one is not the purpose of Interaction Diagrams ?

► Model interactions between objects

The Use case diagram does not show which actors interact with each use case Select correct option:

TRUE

FALSE

A Process in Data Flow Diagram (DFD) represents

Select correct option:

Flow of data

Transformation of data

Storage of data

An external agent

A context diagram is used

Select correct option:

as the first step in developing a detailed DFD of a system in systems analysis of very complex systems

as an aid to system design

as an aid to programmers

In Data Flow Diagram (DFD), one data store can directly copy the data from another data store Select correct option:

TRUE

FALSE

3:53 PM

The system model template contains which of the following elements Select correct option:

input output output

all of the given

To construct a system model the engineer should consider one of the following restraining factors? Select correct option:

assumptions and constraints

budget and expenses

data objects and operations schedule and milestones

In data flow diagram (DFD), Create, Update, Delete and Read operations are normally called: Select correct option:

CRUD operations

DURC operations

RUDC operations

CDUR operation

The "extends" relationship is kind of a generalization specialization relationship. Select correct option:

TRUE

FALSE

The Use case diagram does not show which actors interact with each use case Select correct option:

TRUE

FALSE

There are some types of requirements that can not be documented in the use cases. Select correct option:

TRUE

FALSE

Arranging information in tabular form makes it easy to read, understand and comprehend as compared to streams of text.

Select correct option:

TRUE

FALSE

To construct a system model the engineer should consider one of the following restraining factors? Select correct option:

assumptions and constraints

budget and expenses

data objects and operations schedule and milestones

The best way to conduct a requirements validation review is to Select correct option:

examine the system model for errors

have the customer look over the requirements

send them to the design team and see if they have any concerns

use a checklist of questions to examine each requirement

Data Flow diagram (DFD) does not capture control flow information, it just shows the flow of the data in a system.

Select correct option:

TRUE

FALSE

GUI stands for:

Select correct option:

Genaric User Interface

Graphical User Interface

Genaric User Interaction

Graphical User Interaction

Question # 10 of 10 ( Start time: 04:05:00 PM ) Total Marks: 1

System models are built to allow the system engineer to evaluate the system components in relationship to one another

Select correct option: True

False

DFD Notation contains

► Data Store

► Extenal Agents

► Processes

► All of the given chap4 page 10

A complex System evolves from a

► smaller system

► medium sysetem

► bigger system

► non of the given chapter 6 p2 (simple system)

Requirement engineering mainly deals with the -------------- of the system

► definition phase chapter 3 p 2

► development phase

► maintenance

► non of the above

Insufficient user involvement leads to ------------- products.

► unacceptable chapter 3 p 5

► ambigious

► dissatisfaction of customer to

► non of the above

Which one is not the purpose of Interaction Diagrams ?

► Model interactions between objects

► Assist in understanding how a system (a use case) actually works

► Identify responsibilities/operations and assign them to classes

► Identify dependencies among objecs chapter 7 p23

Which one is not a type of messages which Sequence Diagrams Depict

► Synchronous

► Asynchronous

► Create

► Update chapter 7 p 25

The two main documents produced during this phase are Requirement Statement and Requirement Specification. They are also called Requirement Definition and ---------------

► Functional Specification p10 chapter 3

► Mathematical specification

► System Specification

► None of the given

Project ------------- defines the concept and range of the proposed solution, and limitations

identify certain capabilities that the product will not include

► Scope p14 chapter 3

► Agreement

► Plan

► None of the given

A change becomes ------------- because of close presence of data and functions

► Localized

► Private

► Global

► Accessible

A complex System evolves from a

► smaller system

► medium sysetem

► bigger system

► non of the given

Coupling is a measure of ----------------of a module or component.

► Independent

► Dependent

► Closeness

► All of the given

Software Maintenance phase involves

► Debugging

► Adding new features

► making changes

► all of the given

Interaction Diagrams depict the ------------- Behavior of the system p23 chapter7

► Static

► Dynamic

► Active

► Non of the above

In Sequence Diagrams the time required by the receiver object to process the message is denoted by an---------------

► Activation Box

► Simple Box

► Arrow

► Non of the above

A poorly designed interface can cause a user to make catastrophic errors is one of the motivations for GUI

► True

► False

Identifying System Features include ------

► log important information

► conduct business

► analyze business results

► all of the above

Establishing responsibilities for objects includes

► Generalization Relationships

► Specialization Relationships

► all of the above

► identifying Association relationships

Which of the following is a fact finding method?

► Site visits

► Prototyping

► Study of similar systems

► All of given

The Object Oriented approach

► improves the reusability of codes.

► makes objects less independent.

► increases testing time.

complicates mapping of a system model to an implementation model

0. Client Server model tries to data and processing Distribute

Merge Clone Proceed

1. Anti- Patterns is another concept that corresponds to common in analysis and design.

Mistake Issues

Problems

All of the given

2. Three tier architecture contains layers

Presentation

Application

Database

All of the above

4. MVC stands for

Model View Controller

Modern View Center

Model View Center

Modern View Controller

5. Fat client model is one of the configurations of model

Data-Centered

Layered

Reference

Client Server

6. Description of communicating objects and classes that are customized to solved a general problem in a particular context is called

Design Pattern

System Patter System Design None of the Given

7. In the N-tire Architecture, the idea is to enhance scalability and by distributing both data and the application using multiple server machines.

Usability

Performance

Interpretability

None of the given

8. Thin Client model is one of the configurations of ….. model

Data Centered

Client Server

Layered

Reference

9. Dynamic process model shows the process ………….. of the system

Components

Objects

Structure

Linkage

10. It ensures that a class only has one instance and provides a global point of access to it.

Singleton Pattern

Observer Pattern Real Pattern None of the given

11. STL Stnads for ------------------

Standard Template Library

Standard Type Link

Standard Tempo Line

None of the given

12. Three tier architecture contains ------------- layers

Select correct option:

Presentation

Application

Database

All of the above

13. Which of following is/are among ten things,which the basic template of GOF design pattern includes.

Select correct option:

Problem

Context

Forces

All of the given

14. Vertical partitioning is also known as…..

Select correct option:

Balancing

Mutating

Parallelizing

Factoring

15. Patterns are devices that allow programs to share knowledge about their ---------

----.

Select correct option:

Code

Design

Analysis

None of the given

16. Client server model tries to …….data and processing.

Select correct option:

Distribute

Merge

Clone

Proceed

17. N-tier architecture stems from the struggle to find a ----------- between the fat-

client architecture and the thin-client architecture.

Select correct option:

Concurrency

Distribution point

Middle ground

Similarity

18. Vertical partitioning divides the architecture application from a …… making perspective.

Decision

Design Conclusion Move

19. Distributing the responsibilities to different subsystems so that we get a software system which is easy to maintain, is called ………the architecture.

Select correct option:

Subtracting

Partitioning

Cloning

Balancing

----Provides a unified interface to a set of interfaces in a sub-system.
Observer Pattern
Singleton Pattern
Façade Pattern
All of the above

In Client Server model, there application is modeled as a set so --- that are provided by server.
Application
Protocol
Services
All of the above

Vertical Partitioning is also know as.
Balancing
Mutating
Parallizing
Factoring

Façade Pattern provides a unified interface to a set of interfaces ina sub-system.
True
False

Which of the is/are among ten things which the basis template of GOF design pattern includes.
Problem
Context
Forces
All of the above

20.The nominal case should be put in the if-part and the exception in the else-part of an if statement.

Select correct option:

TURE

FALSE

21.Charles Simonyi first discussed Hungarian Notation. He was of ------ .

Select correct option:

Microsoft

IBM

Dell

Cisco

22.The terms get/set must be used where an attribute is accessed Select correct option:

Indirectly

Directly

23. A self documented program/code contains the following attribute(s):

Size of each function Choice of variable

Choice of variable

All of the given choices

24."is" prefix should be used for------ variables and methods.

Select correct option:

General

Boolean

Constant

None of the given

25.The use of comments should be minimized by making the code self-documenting by appropriate name choices and an explicit logical structure.

Select correct option:

TRUE

FALSE

26. Variables should be initialized where they are ------and they should be declared

in the ------scope possible.

Select correct option: defined and smallest declared and medium defined and medium

declared and smallest

27. Unrelated variables should be declared in the same statement.

Select correct option:

True

False

28. which of the following statements are same in output: 1) a = a >> 2 2) a = a / 4 3) a = a * 2

Select correct option:

(1) and (3) only

(2) and (3) only

(1) and (2) only

All procduce the same result

Variables should be initialized where they are ------and they should be declared in the ------scope possible.
Select correct option:
defined and smallest
declared and medium
defined and medium
declared and smallest Correct

_________ was the first pure Object Oriented language in which observer pattern was used in implementing its Model View Controller pattern
Select correct option:
Smalltalk Correct
PASCAL
JAVA
C++

Names representing methods and functions should be----and written in mixed case starting with -----case.
Select correct option:
Noun—lower
Verb----lower Correct
Noun ---upper
Noun----upper

"is" prefix should be used for------ variables and methods.
Select correct option:
General
Boolean Correct
Constant
None of the given

The size of __________ plays a significant role in making the program easy or difficult to understand.
Select correct option:
function Correct
object
data type
none of the above

for (i =0, col = 0; i < 27; i++, j++) In the above line of the code, 27 is representing____________.
Select correct option:
Real Numbers
Magic Numbers Correct
Constant Numbers
Positive Numbers

In case of using unrelated operators in a single expression, _________ would be the best choice to prevent the logical errors.
Select correct option:
Comments
Indents
Parenthesis Correct
Short Cuts

Goto statements violate the idea of
Select correct option:
object oriented code
structured code Correct
control structure
repetition structure

Code should not be:
Select correct option:
commented Correct
indented
cryptic
aligned

using proper paranthesis normally makes the code
Select correct option:
easy to read
easy to understand Correct
less ambigous
All of the given options

MVC stands for ---------------
Select correct option:
Model View Controller Correct
Modern View Center
Model View Center
Modern View Controller

you spend 80 percent of your time in 20 percent of the code Correct
you spend 20 percent of your time in 80 percent of the code
We should try to optimized 80 percent or at least 20 percent of the code
None of the given options.

In case of header files, construction is to avoid ------ errors. The construction should appear in the top of the file (before the file header).
Select correct option:

compilation Correct
run time
logical
All of the given

________ is a tool that can help us in reducing the size of individual functions.
Select correct option:
Inheritance
Modularity Correct
Association
Abstraction

When a small set of functions (which use each other) is so overwhelmingly the bottleneck, there are two alternatives:
use a better algorithm OR re-write the code
debug the code OR place assertions in code
remove the functions OR add more functions
changed programming language OR compiler at least

_______ cause major portability issues
Loops (Not Sure)
Bugs in code
Sizes of data types
Conditional Structures

In the switch statement, cases should always end with a -------statment.
Switch
Go
Break
Stop

Some bit field members are stored: I) left to right II) right to left III) in circular array.
only (I) is true
Only (II) is true
Both (I) and (II) are true
All of the options (I, II and III) are true

x = 0; // x is floating pt Which rewritten form of above line of code is more in line with the self-documentation philosophy than the code above.
x = false
x = NULL
x = 0.0;
x = ‘\0’

Which of the following is used for multi level commenting?
Select correct option:

// Comment Correct
/* Comment */
(Comment)
*/ Comment/*

Constant values used in the program are called_________.
Select correct option:
Real Numbers
Magic Numbers Correct
Constant Numbers
Positive Numbers

________ and ________ are important short circuiting logical operators. a.AND b. OR c. NOT d. NOR
Select correct option:
a & b Correct
b & c
c & d
a & c

Three tier architecture contains ------------- layers.
  Presentation
Application
Database
All of the above

Which of following is/are among ten things, which the basic template of GOF design pattern includes.
Problem
Context
Forces
All of the given

Vertical partitioning is also known as….. .

Balancing
Mutating
Parallelizing
Factoring

Vertical partitioning is also known as…...
  Balancing
Mutating
Parallelizing
Factoring

Patterns are devices that allow programs to share knowledge about their -------.
Code
Design
Analysis
None of the given

Client server model tries to …….data and processing.
Distribute
Merge
Clone
Proceed

Charles Simonyi first discussed Hungarian Notation. He was of ------ .
Select correct option:
Microsoft Correct
IBM
Dell
Cisco

The use of traceability tables helps to
Select correct option:
debug programs following the detection of run-time errors
determine the performance of algorithm implementations
identify, control, and track requirements changes
none of the given ok

In Data Flow Diagram (DFD), data flow can:
Select correct option:
Only originate from an external entity
Only terminate in an external entity
Originate and terminate in an external entity ok
Either originate or terminate in an external entity but not both

An external entity that interacts with a system is called a(n):
Select correct option:
use case
actor ok
stakeholder
association

A DFD is normally levelled (adding more levels of abstraction) as
Select correct option:
it is a good idea in design
it is recommended by many experts
it is easy to do it
it is easier to read and understand a number of smaller DFDs than one large DFD ok

System ________ are built to allow the System Engineer to evaluate the system components in relationship to one another.
Select correct option:
Requirements ok
Documents
Models
Test Cases

The <<extend>> relationship between use cases would be used when behavior in the extending use case is ____________ the extended use case.
Select correct option:
always needed by
never needed by
sometimes needed by
None of the given options

MVC stands for ---------------

Select correct option:

Model View Controller

Modern View Center

Model View Center

Modern View Controller

sec(s)

Question # 8 of 10 ( Start time: 01:59:40 PM ) Total Marks: 1

A self documenting code is a code that explains itself without the need of comments and

extraneous documentation, like _______

Select correct option:

Flowcharts

UML diagrams

Process-flow state diagrams

All of the given choices

sec(s)

Question # 10 of 10 ( Start time: 02:00:38 PM ) Total Marks: 1

Complex expressions:

Select correct option:

Make the code easy to modify

Make the code difficult to modify

Make the code easy to understand

Does not effect understandablity

Question # 10 of 10 ( Start time: 01:49:27 PM ) Total Marks: 1

Comments should NOT be indented relative to their position in the code

Select correct option:

TRUE

FALSE

The data on which the program operates is also considered as part of the ________.
Select correct option:
Important Data
Software ok
Logical Data
Utility Software

At which stage of software development loop, results are delivered?
Select correct option:
Problem definition
Solution integration
Technical development
Status quo ok

The condition that must be met before the use case can be invoked, is called:
Select correct option:
Pre-Condition ok
Post-Condition
Pre-Assertion
Post-Assertion

Fat client model is one of the configurations of model.
Data-Centered
Layered
Reference
Client Server

Description of communicating objects and classes that are customized to solved a general problem in a particular context is called.
Design Pattern
System Patter
System Design
None of the Given

In the N-tire Architecture, the idea is to enhance scalability and by distributing both data and the application using multiple server machines.
Usability
Performance
Interpretability
None of the given

Thin Client model is one of the configurations of ….. model.
Data Centered
Client Server
Layered
Reference

Dynamic process model shows the process ….…….. of the system.
Components
Objects
Structure
Linkage

A use case represents:
Select correct option:
a class, its attributes and operations.
an operation’s interface and signature.
the role a user plays when interacting with the system.
the system’s functionality for a particular purpose. ok

The condition that must be met before the use case can be invoked, is called:
Select correct option:
Pre-Condition ok
Post-Condition
Pre-Assertion
Post-Assertion

Regarding Flow Chart which of the following statement(s) is/are TRUE:
Select correct option:
Flow charts are usually used to describe flow of control in a system ok
Flow Charts just show the flow of the data in a system.
Looping or Iterations can not be represented in Flow Chart
None of given options

To construct a system model the engineer should consider one of the following restraining factors?
Select correct option:
assumptions and constraints ok
budget and expenses
data objects and operations
schedule and milestones

A context diagram is used
Select correct option:
as the first step in developing a detailed DFD of a system ok
in systems analysis of very complex systems
as an aid to system design
as an aid to programmers

In _______ the analyst determines all the sources of requirements and where do these requirements consume
Select correct option:
Data Flow Analysis
Source and Sink Analysis ok
Down Parsing
Up Parsing

The use of traceability tables helps to
Select correct option:
debug programs following the detection of run-time errors
determine the performance of algorithm implementations
identify, control, and track requirements changes
none of the given ok

The goal of _______ is to translate the customer's desire for a set of defined capabilities into a working product.
Select correct option:
Electrical Engineering
Product Engineering ok
Hardware Engineering
Mechanical Engineering

The Use case diagram shows that which _______ interact with each use case.
Select correct option:
Use case
Actor ok
Component
Relation

The project manager would need _________ document to monitor and track the progress of the project.
Select correct option:
Design
Project ok
Requirement
Planning

In Data Flow Diagram, the entity or system, outside the boundary of this system is called
Select correct option:
Process
Data Flow
External Agent ok
Data Store

Data cannot flow from one external entity to other external entity because:
Select correct option:
It will get corrupted
It is not allowed in DFD ok
An external entity has no mechanism to read or write
Both are outside the context of the system

The system model template contains which of the following elements
Select correct option:
Input
Output
System Out
Input / Output ok

A use case represents:
Select correct option:
a class, its attributes and operations.
an operation’s interface and signature.
the role a user plays when interacting with the system. ok
the system’s functionality for a particular purpose.

Following is/are example(s) of illegal data flow in Data Flow Diagram (DFD)
Select correct option:
External Agents directly communicating with each other
External Agent updating information in a Data Store
External Agent accessing information from a Data Store
All of the given options ok

Which one is not a part of Software Development phase ?
Select correct option:
Construction
Scope
Project Vision ok
Definition

Which elements of business processing engineering are the responsibilities of the software engineer?
Select correct option:
business area analysis
business system design ok
product planning
information strategy planning

The goal of _______ is to translate the customer's desire for a set of defined capabilities into a working product.
Select correct option:
Electrical Engineering
Product Engineering ok
Hardware Engineering
Mechanical Engineering

A context diagram:
Select correct option:
describes detailed design of a system
is a DFD which gives an overview of the system ok
is a detailed description of a system
is not used in drawing a detailed DFD

The Use case diagram shows that which _______ interact with each use case.
Select correct option:
Use case
Actor ok
Component
Relation

The context diagram is used as the top level abstraction in a _______ developed according to principles of structured analysis.
Select correct option:
Dataflow diagram ok
Activity Diagram
State Transition Diagram
USe Case Diagram

At which stage of software development loop, results are delivered?
Select correct option:
Problem definition
Solution integration
Technical development
Status quo ok

Data cannot flow from one external entity to other external entity because:
Select correct option:
It will get corrupted
It is not allowed in DFD ok
An external entity has no mechanism to read or write
Both are outside the context of the system

A context diagram:
Select correct option:
describes detailed design of a system
is a DFD which gives an overview of the system ok
is a detailed description of a system
is not used in drawing a detailed DFD

Regarding Flow Chart which of the following statement(s) is/are TRUE:
Select correct option:
Flow charts are usually used to describe flow of control in a system ok
Flow Charts just show the flow of the data in a system.
Looping or Iterations can not be represented in Flow Chart
None of given options

In Data Flow Diagram (DFD), one data store cannot directly copy the data from another _________ .
Select correct option:
Agent
Process
Data store ok
Flow

______ is one of the techniques to document domain knowledge
Select correct option:
State transition diagram ok
Feasibility matrix
System matrix
None of given options

In Data Flow Diagram, the entity or system, outside the boundary of this system is called
Select correct option:
Process
Data Flow
External Agent ok
Data Store

_________ diagram does not capture control flow information, it just shows the flow of the data in a system.
Select correct option:
Sequence
Data Flow ok
Activity
Class

________ structure represents the internal organization of the various data and control items.
Select correct option:
Data not confirm
Value
Information
Conceptual

An external entity that interacts with a system is called a(n):
Select correct option:
use case
actor ok
stakeholder
association

Which elements of business processing engineering are the responsibilities of the software engineer?
Select correct option:
business area analysis
business system design ok
product planning
information strategy planning

The three most important characteristics of an object are
Select correct option:
Identity
State
Behavior
All of the given

In __________ relationship, a class shares the structure and behavior defined in another class.
Select correct option:
Aggregation
Composition
Inheritance
Uses

In Abbot’s Textual Analysis technique, the proper noun (e.g. Mehdi Hassan) represents
Select correct option:
Class
Instance
Inheritance
Aggregation

In ______The objects are organized in a horizontal line and the events in a vertical time line.

Sequence diagram

An object or class may further be classified on the basis of

► Behavior Driven attributes

► Data Driven attributes

► Responsibility Driven attributes

► All of the above chap 7 p 4

A public Interface provides a way for with other Classes.

► Comminication

► Accessibility

► Reaching

► All of the above

By following modern system engineering practices simulation of reactive systems is no longer necessary

► True

► False click here for detail

The state transition diagram

► depicts relationships between data objects

► depicts functions that transform the data flow

► indicates how data are transformed by the system

► indicates system reactions to external events click here for detail

Control flow diagrams are

► needed to model event driven systems. Click here for detail

► required for all systems

► used in place of data flow diagrams

► useful for modeling user interfaces

A change becomes ------------- because of close presence of data and functions

► Localized (page 81)

► Private

► Global

► Accessible

Question No: 5 ( Marks: 1 ) - Please choose one

A complex System evolves from a

► smaller system page 83 click here for detail

► medium sysetem

► bigger system

► non of the given

Coupling is a measure of ----------------of a module or component.

► Independent (Page 71)

► Dependent

► Closeness

► All of the given

Complex expressions.
Make the code easy to modifyMake the code difficult to modify
Make the code easy to understand
Does not effect understandability

In the switch statement, cases should always end with a -------statement.
Switch
Go
Break
Stop

x = 0; // x is floating pt Which rewritten form of above line of code is more in line with the self-documentation philosophy than the code above.
x = false
x = NULL
x = 0.0;
x = ‘\0’

using proper paranthesis normally makes the code.
easy to read
easy to understand
less ambiguous
All of the given options

The use of comments should be minimized by making the code self-documenting by appropriate name choices and an explicit logical structure.
TrueFalse

Bit fields allow the packing of data in a structure. using Bit fields we can:
Read 9 bit integers
Avoid memory leakages
Avoid memory overflow
Avoid syntax errors

1) x = (a + 2 > 3)? a : a-1 ; 2) if((a + 2)> 3) x = a; else x = a - 1;
Statement (2) is more complex than (1)Statement (2) is more complex than (1)
Both statements are very complex
None of the given option

Software Maintenance phase involves

► Debugging

► Adding new features

► making changes

► all of the given

The hardest single part of building a software system is deciding precisely ----------- to build.

► what (Page 17)

► How

► When

► Why

Interaction Diagrams depict the ------------- Behavior of the system

► Static

► Dynamic (Page 106)

► Active

► Non of the above

In Sequence Diagrams the time required by the receiver object to process the message is denoted by an---

-----

► Activation Box (Page 108)

► Simple Box

► Arrow

► Non of the above

A poorly designed interface can cause a user to make catastrophic errors is one of the motivations for GUI.

► True (Page 62)

► False

Most software continues to be custom built because

► Software is easier to build without using someone else's components.

UML (unified modeling language) analysis modeling focuses on the _________________ .

► behavioral model and environment model.

► behavioral model and implementation model.

► user model and environmental model

► user model and structural model A P R A C T I T I O N E R ’ S A P P R O A C H (Page 604)

The data flow diagram must be augmented by descriptive text in order to describe the functional requirements for a software product.

► True Click here for detail

► False

It is not possible to use ordinary data flow diagrams to model the functional requirements of real-time systems.

► True

► False Click here for detail

► Off the shelf software components are not commonly available Click here for detail

► Component reuse is common in the software world

► Reusable components are too expensive to use

Question No: 2 ( Marks: 1 ) - Please choose one

Which of the items listed below is not one of the software engineering layers?

► Tools

► Process

► Manufacturing Click here for detal ►

Methods

An state transition can only occur when triggered by a(n)________________

► actor

► collaboration attempt

► event

► none of the given

The evolution of the system depends on a sequence of state transitions triggered by a set of coming events.

A change becomes ------------- because of close presence of data and functions

► Localized (page 81)

► Private

► Global

► Accessible

Once these requirements have been finalized, the ---------------- process starts.

► Construction (Page 18)

► Development

► Maintenance phase

► Construction and Development

Identifying Whole-Part structures (Aggregations) means what are my ----------------

► Components (Page 95)

► Structures

► Objecs

► Classes

In ______The objects are organized in a horizontal line and the events in a vertical time line.

Sequence diagram

An object or class may further be classified on the basis of

► Behavior Driven attributes

► Data Driven attributes

► Responsibility Driven attributes

► All of the above chap 7 p 4

A public Interface provides a way for with other Classes.

► Comminication

► Accessibility

► Reaching

► All of the above

A complex System evolves from a

► smaller system

► medium sysetem

► bigger system

► non of the given

Coupling is a measure of ----------------of a module or component.

► Independent

► Dependent

► Closeness

► All of the given

Software Maintenance phase involves

► Debugging

► Adding new features

► making changes

► all of the given

The hardest single part of building a software system is deciding precisely ----------- to

build.

► what

► How

► When

► Why

Interaction Diagrams depict the ------------- Behavior of the system

► Static

► Dynamic

► Active

► Non of the above

Most software continues to be custom built because

► Software is easier to build without using someone else's components.

► Off the shelf software components are not commonly available

► Component reuse is common in the software world

► Reusable components are too expensive to use

Which of the items listed below is not one of the software engineering layers?

► Tools

► Process

► Manufacturing

► Methods

Which of these people would not be likely to part of the FAST team?

► hardware and software engineers

► manufacturing representative

► marketing representatives

► senior financial officers

An state transition can only occur when triggered by a(n)________________

► actor

► collaboration attempt

► event

► none of the given

Identifying System Features include ------

► log important information

► conduct business

► analyze business results

► all of the above p15 chapter 7

________ has become a standard notation for object oriented system modeling.
Select correct option:
  UML
C++
OCL (object Constraint Language)
None of the given options

In case of a file servers, client requests selected records from a .....and the server transmits records to client over the network.
Select correct option:
            Local Memory
            Network
            Database
  File

Different messages in sequence diagrams includes:
Select correct option:
            Simple
            Asynchronous
            Notify
  Both Simple and Asynchronous

In the N-Tire Architecture,the idea is to enhance scalability and -------------- by distributing both the data and the application using multiple server machines.
Select correct option:
            Usability
  Performance
            Interoperability
            None of the given

The purpose of Interaction diagrams is to:
Select correct option:
            Model interactions between objects
            Assist in understanding how a system (a use case) actually works
            Identify responsibilities/operations and assign them to classes
  All of the given options

In the architecture trade-off analysis method the architectural style should be described using the
Select correct option:
            data flow view
            module view
            process view
  all of the given

Aynchronous messages :
Select correct option:
            are implemented as operation call
  These block caller before response occurs in multi-threaded applications            are shown by dotted line

In the classical thin-client architecture, the entire processing is carried-out by -----------
Select correct option:
  Single server multiple servers            multiple servers
            None of the given

Zero install architecture does not need any installation on ____________.
Select correct option:
            Server Side
  Client side Client & Server Side
            None of the above

Consider the following piece of code: public clas s Square extends Shape { // some code . } The above code is an example of:

Select correct option:
Part-Whole relationship
Generalization/Specialization
Data Sharing
Data encapsulation

__________________ relationship is concerned with classes not with the class instantiates.

Select correct option:
Association
Inheritance
Aggregation
Composition

In this case of _________, intra component linkages are stronger while inter component linkages are weak.

Select correct option:
high cohesion
low coupling
low cohesion
high coupling

The most important and critical stage in the object oriented design is the appropriate classification of _________.

Select correct option:
functions
methods
objects
relationships

A cohesive Class is one which emphasizes on ____ unit of functionality
Select correct option:
Single
Multiple
Static
None of the given options

N-tier architecture stems from the struggle to find a ----------- between the fat-client architecture and the thin-client architecture.
Concurrency
Distribution point
Middle ground
Similarity

Vertical partitioning divides the architecture application from a …… making perspective.
Decision
Design
Conclusion
Move

Distributing the responsibilities to different subsystems so that we get a software system which is easy to maintain, is called ………the architecture.
Subtracting
Partitioning
Cloning
Balancing

The nominal case should be put in the if-part and the exception in the else-part of an if statement.
TURE
FALSE

Charles Simonyi first discussed Hungarian Notation. He was of ------. .
Microsoft
IBM
Dell
Cisco

The terms get/set must be used where an attribute is accessed.
Indirectly
Directly

In the case of action-oriented approach, data is decomposed according to:
Select correct option:
Object requirements
Functionality requirements
Corresponding domain model
Compatibility with object interface

___________ is an extremely powerful technique for dealing with complexity.

Select correct option:
Aggregation
Abstraction
Inheritance
Association

If you try to make software more user-friendly then the ________ may suffer.
Select correct option:
Reliability
software
Efficiency
cost ok

The goal of _______ is to translate the customer's desire for a set of defined capabilities into a working product.
Select correct option:
Electrical Engineering
Product Engineering ok
Hardware Engineering
Mechanical Engineering

In Data Flow Diagram (DFD), one data store cannot directly copy the data from another _________ .
Select correct option:
Agent
Process
Data store ok
Flow

A use case represents:
Select correct option:
a class, its attributes and operations.
an operation’s interface and signature.
the role a user plays when interacting with the system. not confirm
the system’s functionality for a particular purpose.

To construct a system model the engineer should consider one of the following restraining factors?
Select correct option:
assumptions and constraints
budget and expenses
data objects and operations ok not confirm
schedule and milestones

At which stage of software development loop, results are delivered?
Select correct option:
Problem definition
Solution integration
Technical development
Status quo ok

Regarding Flow Chart which of the following statement(s) is/are TRUE:
Select correct option:
Flow charts are usually used to describe flow of control in a system ok
Flow Charts just show the flow of the data in a system.
Looping or Iterations can not be represented in Flow Chart
None of given options

Regarding Flow Chart which of the following statement(s) is/are TRUE:
Select correct option:
Flow charts are usually used to describe flow of control in a system ok
Flow Charts just show the flow of the data in a system.
Looping or Iterations can not be represented in Flow Chart
None of given options

The condition that must be met before the use case can be invoked, is called:
Select correct option:
Pre-Condition ok
Post-Condition
Pre-Assertion
Post-Assertion

To construct a system model the engineer should consider one of the following restraining factors?
Select correct option:
assumptions and constraints
budget and expenses
data objects and operations
schedule and milestones

The __________ relationship is kind of a generalization specialization relationship.
Select correct option:
Bit-Byte
Uses
Binary
Extends ok

The process of utilizing our knowledge of computer science in effective production of software systems is called ________.
Select correct option:
Chemical Engineering
Electrical Engineering
Computer Engineering
Software Engineering ok

_________ diagram does not capture control flow information, it just shows the flow of the data in a system.
Select correct option:
Sequence
Data Flow ok
Activity
Class

An external entity that interacts with a system is called a(n):
Select correct option:
use case
actor ok
stakeholder
association

In Data Flow Diagram (DFD), one data store cannot directly copy the data from another _________ .
Select correct option:
Agent
Process
Data store ok
Flow

The system specification describes the
Select correct option:
function and behavior of a computer-based system ok
implementation of each allocated system element
algorithmic detail and data structures
time required for system simulation

In use case diagram, an ellipse signifies a(n):
Select correct option:
actor
class
use case not conrfirm
system boundary

______ is one of the techniques to document domain knowledge
Select correct option:
State transition diagram ok
Feasibility matrix
System matrix
None of given options

System models include:
Select correct option:
User business processes
User activities for conducting the business processes
Processes that need to be automated
All of the given options ok

The architecture components for product engineering are
Select correct option:
data, hardware, software, people ok
data, documentation, hardware, software
data, hardware, software, procedures
documentation, hardware, people, procedures

A DFD is normally levelled (adding more levels of abstraction) as
Select correct option:
it is a good idea in design
it is recommended by many experts
it is easy to do it
it is easier to read and understand a number of smaller DFDs than one large DFD ok

The use of traceability tables helps to
Select correct option:
debug programs following the detection of run-time errors
determine the performance of algorithm implementations
identify, control, and track requirements changes
none of the given ok

An external entity that interacts with a system is called a(n):
Select correct option:
use case
actor ok
stakeholder
association

In data flow diagram (DFD), Create, Update, Delete and Read operations are normally called:
Select correct option:
CRUD operations ok
DURC operations
RUDC operations
CDUR operation

The condition that must be met before the use case can be invoked, is called:
Select correct option:
Pre-Condition ok
Post-Condition
Pre-Assertion
Post-Assertion

Using proper paranthesis normally makes the code.
easy to read
easy to understand
less ambigous
All of the given options

Which of the following shows a commented statement in C++.
# Ans = first + second
// Ans = first + second
\\ Ans = first + second
/# Ans = first + second

The form for (;;) should be used for.
nested loop
empty loop
more than 1000 iterations

Identifier names also play a significant role in enhancing the -------- of a program.
Writ ability
Readability
Reliability

It ensures that a class only has one instance and provides a global point of access to it.
Singleton Pattern
Observer Pattern
Real Pattern
None of the given

Names representing methods and functions should be----and written in mixed case starting
with -----case.
Noun—lower
Verb----lower
Noun ---upper

The system model template contains which of the following elements
Select correct option:
Input
Output
System Out
Input / Output ok

CS504 - Software Engineering - I Online Solved Quizzes/MCQ's File No 3

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