CS504 - Software Engineering - I Online Solved Quizzes/MCQ's File No 1

-----provides a unified interface to a set of interfaces in a sub-system. Select correct option:

Observer Pattern

Singleton Pattern

Façade Pattern

All of the above

"is" prefix should be used for------ variables and methods. Select correct option:

General

Boolean

Constant

None of the given

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

Façade Pattern provides a unified interface to a set of interfaces in a sub-system. Select correct option:

True

False

[Make the code easy to modify Does not effect understandablity

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

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

Indirectly

Directly

In order to make a code more portable, Instead of using vendor specific language extensions, use _______ as much as possible
STL
ANSI
ISO
CMMI

Question # 7 of 10
Exception handling provides:
Portability mechanism
Code Usability mechanism
Error Handling mechanism
All of the given options

Question # 8 of 10
Bit fields are a convenient way to express many difficult operations. However, bit fields suffer from one problem
Lack of usability
Lack of security
Lack of performance
Lack of portability

Question # 9 of 10
if (e.Title() == “CEO” || e.Salary() > 10000) in the above statement if e.Title()=="CEO") is TRUE then
Second part is not evaluated
Second part is always evaluated
Second part must also be TRUE
Second part is not evaluated but e.Salary() is called

Question # 10 of 10
A test case involves
Input/output specification plus a statement of the function under test
Steps to perform the function
Expected results that the software application produces
All of the given options

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

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

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

Identifier names also play a significant role in enhancing the -------- of a program. Select correct option:

Writ ability

Readability

Reliability

All of the given choices

1) x = (a + 2 > 3)? a : a-1 ; 2) if((a + 2)> 3) x = a; else x = a - 1; Select correct option:

Statement (1) is more complex than (2) Statement (2) is more complex than (1) Both statements are very complex None of the given options

using proper paranthesis normally makes the code

Select correct option: easy to read

easy to understand less ambigous

All of the given options

Comments are not syntax checked

Select correct option:

TRUE

FALSE

_________ was the first pure Object Oriented language in which observer pattern was used in implementing its Model View Controller pattern

Select correct option:

Smalltalk

PASCAL JAVA C++

Flexibility helps in making the code easier to understand. Select correct option:

True false

Name is the initial thing to be written in the GOF Design Pattern Format. Select correct option:

True

False

Comments should NOT be indented relative to their position in the code Select correct option:

TRUE

FALSE

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

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

► True

► False

Which of the following shows a commented statement in C++ Select correct option:

# Ans = first + second

// Ans = first + second

\\ Ans = first + second /# Ans = first + second

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

if (!(block < activeBlock)) is equvivalent to:

Select correct option:

if ((block < activeBlock)) if ((block == activeBlock)) if ((block >= activeBlock)) None of the given

no idea about this question

-----provides a unified interface to a set of interfaces in a sub-system. Select correct option:

Observer Pattern

Singleton Pattern

Façade Pattern

All of the above

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

Façade Pattern provides a unified interface to a set of interfaces in a sub-system. Select correct option:

True

False

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

Unrelated variables should be declared in the same statement. Select correct option:

True

False

Which of the following shows a commented statement in C++ Select correct option:

# Ans = first + second

// Ans = first + second

\\ Ans = first + second /# Ans = first + second

Name is the initial thing to be written in the GOF Design Pattern Format. Select correct option:

True

False

Name is the initial thing to be written in the GOF Design Pattern Format. Select correct option:

True

False

Class variables should never be declared public. Public variables violate which of the following:

Select correct option: Information hiding Encapsulation

Information hiding and Encapsulation

None of the given

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

The three basic principles that guide maintainability are: (a)clarity (b)enhancement (c)flexibility (d)simplicity (

Select correct option: (a),(b) and (c) (a),(c) and (d) (b),(c) and (d)

All of above

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

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

Question # 1 of 10 ( Start time: 04:00:12 PM ) Total Marks: 1

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

Question # 3 of 10 ( Start time: 04:01:01 PM ) Total Marks: 1

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

Select correct option:

TRUE

FALSE

Quiz Start Time: 04:00 PM Time Left 88

sec(s)

Question # 4 of 10 ( Start time: 04:01:25 PM ) Total Marks: 1

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

Question # 7 of 10 ( Start time: 04:03:01 PM ) Total Marks: 1 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

Question # 8 of 10 ( Start time: 04:04:04 PM ) Total Marks: 1

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

Question # 9 of 10 ( Start time: 04:04:38 PM ) Total Marks: 1

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

A complex System evolves from a

► smaller system

► medium sysetem

► bigger system

► non of the given

Question No: 8 ( Marks: 1 ) - Please choose one

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

► definition phase

► development phase

► maintenance

► non of the above

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

► unacceptable

► 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

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

► Synchronous

► Asynchronous

► Create

► Update

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

► Functional Specification

► 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

► 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

Please choose one 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

Client Server model tries to data and processing Distribute

Merge Clone Proceed

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

Mistake Issues

Problems

All of the given

Three tier architecture contains layers

Presentation

Application

Database

All of the above

MVC stands for

Model View Controller

Modern View Center

Model View Center

Modern View Controller

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

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

STL Stnads for ------------------

Standard Template Library

Standard Type Link

Standard Tempo Line

None of the given

Three tier architecture contains ------------- layers

Select correct option:

Presentation

Application

Database

All of the above

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

Vertical partitioning is also known as…..

Select correct option:

Balancing

Mutating

Parallelizing

Factoring

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

----.

Select correct option:

Code

Design

Analysis

None of the given

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

Select correct option:

Distribute

Merge

Clone

Proceed

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

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.

Select correct option:

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.

Select correct option:

TURE

FALSE

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

Select correct option:

Microsoft

IBM

Dell

Cisco

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

Indirectly

Directly

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

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

Select correct option:

General

Boolean

Constant

None of the given

A function should not be larger in any case and should not exceed ______ in length . Select correct option:

Half page

One page

Two pages Three Pages

It ensures that a class only has one instance and provides a global point of access to it. Select correct option:

Singleton Pattern

Observer Pattern Real Pattern None of the given

A self documented program/code contains the following attribute(s): Select correct option:

Size of each function Choice of variable Choice of variable

All of the given choices

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

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

Unrelated variables should be declared in the same statement.

Select correct option:

True

False

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

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 c

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

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

Control flow diagrams are

► needed to model event driven systems.

► 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

► 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

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

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

Names representing methods and functions should be----and written in mixed case starting with -----case.

Select correct option:

Noun—lower

Verb----lower

Noun ---upper

Noun----upper

Façade Pattern provides a unified interface to a set of interfaces in a sub-system. Select correct option:

True

False

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

► True

► False

Most software continues to be custom built because

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

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

► True

► False

► 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

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

► Private

► Global

► Accessible

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

► Construction

► Development

► Maintenance phase

► Construction and Development

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

► Components

► Structures

► Objecs

► Classes

Floating point constants should always be written with decimal point and at least Select correct option:

one decimal two decimal three decimal none of the given

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

Select correct option:

Model View Controller

Modern View Center

Model View Center Modern View Controller

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

Sequence diagram

Question No: 4 ( Marks: 1 ) - Please choose one

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

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

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

CS504 - Software Engineering - I Online Solved Quizzes/MCQ's File No 1

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