CS302 Digital Logic Design Online Solved MCQ's Quizzes File 3

Question No: 7 ( Marks: 1 ) - Please choose one

The binary numbers A = 1100 and B = 1001 are applied to the inputs of a comparator. What are the output

levels?

► A > B = 1, A < B = 0, A < B = 1

► A > B = 0, A < B = 1, A = B = 0

► A > B = 1, A < B = 0, A = B = 0 (Page 109)

► A > B = 0, A < B = 1, A = B = 1

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

A particular Full Adder has

► 3 inputs and 2 output (Page 135)

► 3 inputs and 3 output

► 2 inputs and 3 output

► 2 inputs and 2 output

The domain of the expression
AB' CD + AB' + C 'D + B is
A and D
B only
A ,B ,C and D
none of these

Which one of the following is NOT
a valid rule of Boolean algebra?
A + 1 = 1
A = A '
AA = A
A + 0 = A

The complement of a variable is
always
0
1
equal to the variable
the inverse of the variable

A 5 -variable karnaugh map has
sixteen cells
thirty two cells
sixty - four cells
None of these

The boolean expression X = AB +
CD represents
two ORs ANDed together
a 4- input AND gate
two ANDs ORed together
an exclusive-Or

How many data select lines are
required for selecting eight inputs ?
4
3 ( Not Confirm )
2
1

"Sum-of-Weights" method is used __________

► to convert from one number system to other (Page 14)

► to encode data

► to decode data

► to convert from serial to parralel data

MIDTERM EXAMINATION

Spring 2010

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

The maximum number that can be represented using unsigned octal system is _______

► 1

► 7 (Page 31)

► 9

► 16

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

If we add “723” and “134” by representing them in floating point notation i.e. by first, converting them in

floating point representation and then adding them, the value of exponent of result will be ________

► 0

► 1

► 2 (Page 26 )

► 3

Question No: 3 ( Marks: 1 ) - Please choose one

The diagram given below represents __________

► Demorgans law

► Associative law

► Product of sum form (According to rule of theorem)

► Sum of product form

2' s complement of 5 is
1101
1011
0101
1100

The complement of a variable is
always
Select correct option :
0
1
equal to the variable
the inverse of the variable

The 4 - variable K - Map has ______ rows
and _________ columns of cells .
Select correct option :
2 , 2
2 , 4
4 , 2
4 , 4

Half- Adder Logic circuit
contains ___ XOR Gates .
Select correct option :
0
2
4
6

the diagram above shows the general implementation of ________ form

► boolean

► arbitrary

► POS

► SOP

Question No: 13 ( Marks: 1 ) - Please choose one

The Quad Multiplexer has _____ outputs

► 4 (Page 217)

► 8

► 12

► 16

Question No: 14 ( Marks: 1 ) - Please choose one

Demultiplexer has

► Single input and single outputs.

► Multiple inputs and multiple outputs.

► Single input and multiple outputs. (Page 178)

► Multiple inputs and single output.

Question No: 15 ( Marks: 1 ) - Please choose one

The expression _________ is an example of Commutative Law for Multiplication.

► AB+C = A+BC

► A(B+C) = B(A+C)

► AB=BA (Page 72)

► A+B=B+A

Question No: 8    ( M - 1 )    .

 A flip-flop is connected to +5 volts and it draws 5 mA of current during its operation, the power dissipation of the flip-flop is

       ► 10 mW

       ► 25 mW

       ► 64 mW

       ► 1024

   

Question No: 9    ( M - 1 )    .

 ____________ counters as the name indicates are not triggered simultaneously.

       ► Asynchronous

       ► Synchronous

       ► Positive-Edge triggered

       ► Negative-Edge triggered

   

Question No: 10    ( M - 1 )    .

74HC163 has two enable input pins which are _______ and _________

       ► ENP, ENT

       ► ENI, ENC

       ► ENP, ENC

       ► ENT, ENI

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

3.3 v CMOS series is characterized by __________ and _________as compared to the 5 v CMOS series.

► Low switching speeds, high power dissipation

► Fast switching speeds, high power dissipation

► Fast switching speeds, very low power dissipation (page61)

► Low switching speeds, very low power dissipation

Question No: 9 ( Marks: 1 ) - Please choose one

The binary value “1010110” is equivalent to decimal __________

► 86 (According to Formula)

► 87

► 88

► 89

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

The _______ Encoder is used as a keypad encoder.

► 2-to-8 encoder

► 4-to-16 encoder

► BCD-to-Decimal

► Decimal-to-BCD Priority (Page 166)

Question No: 11 ( Marks: 1 ) - Please choose one

How many data select lines are required for selecting eight inputs?

► 1

► 2

► 3 click here for detail

► 4

   

Question No: 11    ( M - 1 )    .

The divide-by-60 counter in digital clock is implemented by using two cascading counters:

       ► Mod-6, Mod-10

       ► Mod-50, Mod-10

       ► Mod-10, Mod-50

       ► Mod-50, Mod-6

   

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

If we multiply “723” and “34” by representing them in floating point notation i.e. by first, converting them in

floating point representation and then multiplying them, the value of mantissa of result will be ________

► 24.582 (But not sure)

► 2.4582

► 24582

► 0.24582

Question No: 6 ( Marks: 1 ) - Please choose one

The output of the expression F=A+B+C will be Logic ________ when A=0, B=1, C=1. the symbol‟+‟ here

represents OR Gate.

► Undefined

► One

► Zero

► 10 (binary)

Question No: 7 ( Marks: 1 ) - Please choose one

If an active-HIGH S-R latch has a 0 on the S input and a 1 on the R input and then the R input goes to 0, the latch will be

________.

► SET (page 220)

► RESET

► Clear

► Invalid

The boolean expression X = AB + CD
represents
Select correct option :
two ORs ANDed together
a 4 - input AND gate
two ANDs ORed together
an exclusive - Or

An example of SOP expression is
Select correct option :
A + B (C + D )
A' B + AC ' + AB ' C
(A ' + B + C )( A + B ' + C )
both ( a ) and (b )

Sum term ( Max term ) is implemented
using ______ gates
Select correct option :
OR
AND
NOT
OR - AND

in ____________, all the columns in the same row are either read or written.

       ► Sequential Access

       ► MOS Access

       ► FAST Mode Page Access

       ► None of given options

   Question No: 33    ( M - 1 )    .

 In order to synchronize two devices that consume and produce data at different rates, we can use _________

        ► Read Only Memory

       ► Fist In First Out Memory

       ► Flash Memory

       ► Fast Page Access Mode Memory

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

A SOP expression is equal to 1 ______________

► All the variables in domain of expression are present

► At least one variable in domain of expression is present.

► When one or more product terms in the expression are equal to 0.

► When one or more product terms in the expression are equal to 1. (Page 86)

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

The output A < B is set to 1 when the input combinations is __________

► A=10, B=01

► A=11, B=01

► A=01, B=01

► A=01, B=10 (Page 109)

Question No: 3 ( Marks: 1 ) - Please choose one

Two 2-bit comparator circuits can be connected to form single 4-bit comparator

► True (Page 154)

► False

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

High level Noise Margins (VNH) of CMOS 5 volt series circuits is _____________

► 0.3 V

► 0.5 V

► 0.9 V (Page 65)

► 3.3 V

Question No: 34   ( M - 1 )   .

A positive edge-triggered flip-flop changes its state when   ________________

       ► Low-to-high transition of clock

       ► High-to-low transition of clock

       ► Enable input (EN) is set

       ► Preset input (PRE) is set

The domain of the expression AB 'CD +
AB ' + C 'D + B is
Select correct option :
A and D
B only
A, B, C and D
none of these

A SOP expression having a domain of 3
variables will have a truth table
having __ combinations of inputs and
corresponding output values .
Select correct option :
2
4
8
16

The boolean expression ( A + C) (AB '
+ AC )( A 'C ' + B ')can be simplified to
Select correct option :
AB '
AB + A' C
A' B + BC
AB + BC

The bolean expression A + BC equals
Select correct option :
(A ' + B )( A' + C )
(A + B ) (A + C )
(A + B ) (A ' + C )
none of the above

2 ' s complement of 5 is
1101
1011
0101
1100

The 4 - variable Karnaugh Map ( K- Map )
has _____ cells for min or max terms
4
8
12
16

Half- Adder Logic circuit
contains ___ XOR Gates .
0
2 ( not sure)
4
6

The bolean expression A + BC equals
(A ' + B )( A ' + C)
(A + B )( A + C )
(A + B )( A' + C )

_____ is invalid number of cells in a
single group formed by the adjacent
cells in K - map
2
8
12
16

Which one of the following is NOT a
valid rule of Boolean algebra?
A + 1 = 1
A = A '
AA = A
A + 0 = A

Adjacent 1 s detector circuit will have
active high output for the input
0101
1010
0011
0001

A standard POS form
has ________ terms that have all the
variables in the domain of the
expression.
sum
product
Min
Composite

A 5 - variable karnaugh map has
sixteen cells
thirty two cells
sixty- four cells
None of these

Adjacent 1 s detector circuit will have
active low output for the input
1101
1010
0110
1011

standard POS form has ________ terms
that have all the variables in the
domain of the expression.
Select correct option :
Sum
Product
Min
Composite

Sum term ( Max term ) is implemented
using ______ gates
Select correct option :
OR
AND
NOT
OR - AND

In a 4 - variable K - map , a 2 - variable
product term is produced by
Select correct option :
a 2 - cell group of 1 s
a 8 - cell group of 1 s
a 4 - cell group of 1 s
a 4 - cell group of 0 s

Half- Adder Logic circuit
contains ___ XOR Gates .
Select correct option :
0
2 ( Not Sure )
4
6

The 4 - variable Karnaugh Map ( K- Map )
has _____ cells for min or max terms
Select correct option :
4
8
12
16

Adjacent 1 s detector circuit will have
active low output for the input
Select correct option :
1101
1010
0110
1011

4 - variable K- Map has ______ rows
and _________ columns of cells .
Select correct option :
2 , 2
2 , 4
4 , 2
4 , 4

boolean expression A + B ' + C is
Select correct option :
a sum term
a literal term
a product term
a complemented term

The bolean expression A + BC equals
Select correct option :
(A ' + B )( A' + C )
(A + B ) (A + C )
(A + B ) (A ' + C )
none of the above

In a 4 - variable K - map , a 2 - variable
product term is produced by
Select correct option :
a 2 - cell group of 1 s
a 8 - cell group of 1 s
a 4 - cell group of 1 s
a 4 - cell group of 0 s

CS302 Question No: 14    ( M - 1 )    ________ is used to simplify the circuit that determines the next state.       ► State diagram       ► Next state table       ► State reduction       ► State assignment   

CS302 Question No: 15    ( M - 1 )   The best state assignment tends to ___________.
       ► Maximizes the number of state variables that don’t change in a group of related states       ► Minimizes the number of state variables that don’t change in a group of related states       ► Minimize the equivalent states       ► None of given options

the boolean expression AB 'CD 'is
Select correct option :
a sumterm
a product term
a literal term
always 1

The complement of a variable is always
Select correct option :
0
1
equal to the variable
the inverse of the variable

A standard SOP form
has ________ terms that have all the
variables in the domain of the
expression.
Select correct option :
Sum
Product
Max
Composite

which of the following rules states
that if one input of an AND gate is
always 1 , the output is equal to the
other input ?
Select correct option :
A + 1 = 1
A + A = A
A. A = A
A. 1 = A

The 4 - variable Karnaugh Map ( K- Map )
has _____ cells for min or max terms
Select correct option :
4
8
12
16

______ is invalid number of cells in a
single group formed by the adjacent
cells in K - map
Select correct option :
2
8
12
16

A standard POS form
has ________ terms that have all the
variables in the domain of the
expression.
Select correct option :
Sum
Product
Min
Composite

Half- Adder Logic circuit
contains ___ XOR Gates .
Select correct option :
0
2
4
6

An example of SOP expression is
Select correct option :
A + B (C + D )
A' B + AC ' + AB ' C
(A ' + B + C )( A + B ' + C )
both ( a ) and (b )

 In a 4 -
variable K - map , a 2 - variable product
term is produced by Select correct
option : a 2 - cell group of 1 s a 8 - cell
group of 1 s a 4 - cell group of 1 s a 4 -
cell group of 0 s
4
8
16
12
A 5 - variable karnaugh map has
Select correct option :
sixteen cells
thirty two cells
sixty- four cells
None of these

A SOP
expression having a domain of 3
variables will have a truth table
having __ combinations of inputs and
corresponding output values .
Select correct option :
2
4
8
16

An
example of SOP expression is Select
correct option :
A + B (C + D )
A' B + AC ' + AB ' C
(A ' + B + C )( A + B ' + C )
both ( a ) and (b )

1 ______ is
invalid number of cells in a single
group formed by the adjacent cells in
K- map Select correct option :
2
8
12
16

Don’ t
care conditions are marked
as _________ in the output column of
the function table Select correct
option :
0
1
X
None of the given options

1 which of
the following rules states that if one
input of an AND gate is always 1 , the
output is equal to the other input ?
Select correct option :
A + 1 = 1
A + A = A
A. A = A
A. 1 = A


the boolean expression AB ' CD' is Select
correct option :
a sumterm
a product term
a literal term
always 1

The cell
marked 6 in 4 - variable K- Map
represent minterm 6 or the maxterm 6
having the following binary value of
variables A , B , C and D . Select correct
option : A= 1 , B= 1 , C = 0 , D = 0 A = 0 , B = 1 ,
C= 1 , D = 0 A = 0 , B = 0 , C = 1 , D = 1 A= 1 ,
B= 0 , C = 0 , D = 1
A= 1 , B = 1 , C = 0 , D = 0
A= 0 , B = 1 , C = 1 , D = 0
A= 0 , B = 0 , C = 1 , D = 1
A= 1 , B = 0 , C = 0 , D = 1


Sum term ( Max term ) is implemented
using ______ gates
Select correct option :
OR
AND
NOT
OR - AND


Half- Adder Logic circuit
contains ___ XOR Gates .
Select correct option :
0
2
4
6


The boolean expression X = AB + CD
represents
Select correct option :
two ORs ANDed together
a 4 - input AND gate
two ANDs ORed together
an exclusive - Or

______ is invalid number of cells in a
single group formed by the adjacent
cells in K - map
Select correct option :
2
8
12
16

The 4 - variable Karnaugh Map ( K- Map )
has _____ cells for min or max terms
Select correct option :
4
8
12
16

the boolean expression AB 'CD 'is
Select correct option :
a sumterm
a product term
a literal term

The boolean expression ( A + C) (AB '
+ AC )( A 'C ' + B ')can be simplified to
Select correct option :
AB '
AB + A' C
A' B + BC
AB + BC

which of the following rules states
that if one input of an AND gate is
always 1 , the output is equal to the
other input ?
Select correct option :
A + 1 = 1
A + A = A
A. A = A
A. 1 = A

A standard SOP form
has ________ terms that have all the
variables in the domain of the
expression.
Select correct option :
Sum
Product
Max
Composite

For a Standard SOP expression,
a ____ is placed in the cell
corresponding to the product term
(Minterm ) present in the expression.
Select correct option :
0
1
X (don ’ t care condition )
Any of given option depending on SOP
term.

Sum term ( Max term ) is implemented
using _ _ _ _ _ _ _ _ gates
OR
AND,
NOT,
OR - AND


Excess - 8 code assigns _ _ _ _ _ _ _ to “ -
8 ”
1110,
1100,
1000,
0000


The maximum value , represented by a
single hexadecimal digit is _ _ _ _ _
E
F
G
H


The values that exceed the specified
range can not be correctly represented
and are considered as _ _ _ _ _ _ _ _
Overflow,
Carry,
Parity ,
Sign value


TTL based devices work with a dc
supply of _ _ _ _ Volts
+ 10 ,
+ 5
+ 3 ,
3 . 3


Caveman number system is Base _ _ _ _ _
_ number system
2
5
10
16


In Caveman number system the value
“ 2 ” is represented by symbol _ _ _ _ _ _ _
_
"!"
"^"
"&"
">"


If we multiply “ 723 ” and “ 34 ” by
representing them in floating point
notation i .e . by first , converting them
in floating point representation and
then multiplying them, the value of
mantissa of result will be _ _ _ _ _ _ _ _
24 .582 ,
2 . 4582,
24582,
0 . 24582


The output of the expression F= A .B .C
will be Logic _ _ _ _ _ _ _ _ when A = 1 , B = 0 ,
C= 1 .
Undefined
One
Zero
No Output as input is invalid.


The Extended ASCII Code (American
Standard Code for Information
Interchange ) is a _ _ _ _ _ code
2 - bit,
7 bit ,
8 bit ,
16 bit


Which of the number is not a
representative of hexadecimal system
1234
ABCD
1001
DEFH


The decimal “ 10 ” will have an octal
equivalent _ _ _ _ _ _ _ _
9
10
11
12


In 32 - bit Single - Precision Floating
Point format representation the range
of exponent value is from _ _ _ _ _ _ _ _ to
_ _ _ _ _ _ _ _
+ 127 to - 126
+ 255 to – 254
+ 128 to - 127
+ 256 to - 255


The hexadecimal value “ FD” is
equivalent to binary value _ _ _ _ _ _ _ _ _ _
_ _
11011111
11111101
11001110
00010111


The OR Gate performs a Boolean _ _ _ _
_ _ _ function
Addition
Subtraction
Multiplication
Division


_ _ _ _ _ _ _ _ _ is a single input gate
NOT
The first Least Most digit in decimal
number system has
Has position 0 and weight equal to 1
Has position 1 and weight equal to 0
Has position 1 and weight equal to 10
Has position 0 and weight equal to 10


Suppose we want to transmit the data
“ 10001101 ” , and an “ Odd - Parity ” bit
scheme is used to detect errors, the
parity bit added to this data will be _ _
_ _
“ 0 ” ,
“ 1 ” ,
Both “ 0 ” and “ 1 ” can be used
Parity bit is not needed in this case .


The 4 - bit 2 ’ s complement
representation of “ - 7 ” is _ _ _ _ _ _ _ _ _ _
_ _ _
0111,
1111,
1001,
0110


_ _ _ _ _ _ _ _ is invalid number of cells in
a single group formed by the adjacent
cells in K - map
2
8
12
16

DRAM stands for __________

       ► Dynamic RAM

       ► Data RAM

       ► Demoduler RAM

       ► None of given options

   

Question No: 20    ( M - 1 )    .

in ____________, all the columns in the same row are either read or written.

       ►Sequential Access

       ►MOS Access

       ►FAST Mode Page Access

       ►None of given options

   

Question No: 21    ( M - 1 )    .

FIFO is an acronym for  __________

       ► First In, First Out

       ► Fly in, Fly Out

       ► Fast in, Fast Out

       ► None of given options

   

Question No: 22    ( M - 1 )    .

 In order to synchronize two devices that consume and produce data at different rates, we can use _________

       ► Read Only Memory

       ► Fist In First Out Memory

       ► Flash Memory

       ► Fast Page Access Mode Memory

The decimal “ 10 ” will have an octal
equivalent _ _ _ _ _ _ _ _
9
10
11
12


The cell marked 6 in 4 - variable K - Map
represent minterm 6 or the maxterm 6
having the following binary value of
variables A , B , C and D .
A= 1 , B = 1 , C = 0 , D = 0
A= 0 , B = 1 , C = 1 , D = 0
A= 0 , B = 0 , C = 1 , D = 1 (not confirm)
A= 1 , B = 0 , C = 0 , D = 1


The output of an XOR gate is zero (0 )
when _ _ _ _ _ _ _ _ _ _ I ) All the inputs are
zero II ) Any of the inputs is zero III)
Any of the inputs is one IV) All the
inputs are one
I Only
IV Only
I and IV only
II and III only


_ _ _ _ _ _ _ _ _ is the example of
Commutative Law for Multiplication
AB = BA
A+ B = B+ A
AB + C = A + BC
A( B + C ) = B (A + C )


The 4 - variable K - Map has _ _ _ _ _ _ _ _
rows and _ _ _ _ _ _ _ _ _ _ _ columns of
cells.
2 , 2
2 , 4
4 , 2
4 , 4


A standard SOP form has _ _ _ _ _ _ _ _ _ _
terms that have all the variables in the
domain of the expression.
Sum
Product
Max
Composite


Decimal number system is Base _ _ _ _ _ _
number system
10


1011+ 101 = _ _ _ _ _ _
10000
00001
10011
11001


A standard POS form has _ _ _ _ _ _ _ _ _ _
terms that have all the variables in the
domain of the expression
sum
product
min
composite


A. (B + C ) = A .B + A. C is the expression
of _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Demorgan ’ s Law
Commutative Law
Distributive Law
Associative Law


NOR Gate can be used to perform the
operation of AND, OR and NOT Gate
True
False


A certain number is represented in 15 -
digit decimal number format as
“ 364538761287354” , the exponent of
the number is _ _ _ _ _ _ _ _ _ _
36
64
35
54


Consider A= 1 ,B = 0 , C= 1 . A, B and C
represent the input of three bit NAND
gate the output of the NAND gate will
be _ _ _ _ _
0
1
undefine


1011 – 101 = _ _ _ _ _ _ _ _
1100
0110
0011
0110


A + B = B + A is _ _ _ _ _ _ _ _ _ _
Demorgan ’ s Law
Distributive
Commutative
asssociative
Question # 35
The range of Excess - 8 code is from _ _
_ _ _ _ to _ _ _ _ _ _
+ 7 to - 8
+ 8 to - 7
+ 9 to - 8
- 9 to + 8


Don’ t care conditions are marked as _ _
_ _ _ _ _ _ _ _ _ in the output column of
the function table
X


The decimal value “ 20 ” is equivalent to
binary value _ _ _ _ _ _ _ _ _ _
10011
11001
00101
10100


1011 – 101 = _ _ _ _ _ _ _ _
1100
0110
0011
1001

Assume that a 4-bit serial in/serial out shift register is initially clear. We wish to store the nibble 1100. What will be the 4-bit pattern after the second clock pulse? (Right-most bit first.)
       ► 1100
       ► 0011
       ► 0000
       ► 1111

CS302 Question No: 20    ( M - 1 )   The address from which the data is read, is provided by _______.
       ► Depends on circuitry
       ► None of given options
       ► RAM
       ► Microprocessor   

CS302 Question No: 21    ( M - 1 )   FIFO is an acronym for  __________       ►First In, First Out       ►Fly in, Fly Out       ►Fast in, Fast Out       ►None of given options

CS302 Question No: 22    ( M - 1 )   LUT is acronym for _________       ► Look Up Table       ► Local User Terminal       ► Least Upper Time Period       ► None of given options   

CS302 Question No: 23    ( M - 1 )   The voltage gain of the Inverting Amplifier is given by the relation ________       ► Vout / Vin = - Rf / Ri       ► Vout / Rf = - Vin / Ri       ► Rf / Vin = - Ri /Vout       ► Rf / Vin =   Ri /Vout   

CS302 Question No: 24    ( M - 1 )    ______ of a D/A converter is determined by comparing the actual output of a D/A converter with the
expected output.       ► Resolution       ► Accuracy       ► Quantization
       ► Missing Code   

The ANSI /IEEE Standard 754 defines
a _ _ _ _ _ _ _ _ _ _ Single - Precision Floating
Point format for binary numbers .
8 - bit
16 - bit
32 - bit
64 - bit


The Gray code is different from the
unsigned binary code because _ _ _ _ _ _ _
_ _ _
Successive values of Gray code differ
by only one bit
Gray Code is positional code
Gray Code does not support negative
values
Gray Code ranges from “ 0 ” to “ 9 ”

A SOP expression having a domain of 3
variables will have a truth table having
____ combinations of inputs and
corresponding output values .
Select correct option :
2
4
8
16

The OR Gate performs a Boolean
_______ function
Select correct option :
Addition
Subtraction
Multiplication
Division

Sum term ( Max term ) is implemented
using ________ gates
Select correct option :
OR
AND
NOT
OR - AND

The number “ 1259” may belong to
_______ number system .
Select correct option :
Binary number system
Octal or Decimal system .
Decimal or Hexadecimal system
Binary or Hexadecimal system

If two numbers in BCD representation
generate an invalid BCD number then
the binary ________ is added to the
result
Select correct option :
1001
0110
1111
1100

“ 1101 ” in signed representation is
equivalent to _______
Select correct option :
10
13
- 10
- 5

TTL based devices work with a dc
supply of ____ Volts
Select correct option :
+ 10
+ 5
+ 3
3 .3

Question No: 23    ( M - 1 )    .

 A frequency counter ______________

       ► Counts pulse width

       ► Counts no. of clock pulses in 1 second

       ► Counts high and low range of given clock pulse

       ► None of given options

   

Question No: 24    ( M - 1 )    .

The sequence of states that are implemented by a n-bit Johnson counter is

       ► n+2 (n plus 2)

       ► 2n   (n multiplied by 2)

       ► 2n   (2 raise to power n)

       ► n2   (n raise to power 2)

   

CS302- Digital Logic Design (Session - 4) 
SHARED BY MISS SHAZI
Time:90 min
M - 58

CS302 Question No: 1    ( M - 1 )   The ANSI/IEEE Standard 754 defines a __________Single-Precision Floating Point format for binary numbers.        ► 8-bit       ► 16-bit       ► 32-bit       ► 64-bit

CS302 Question No: 2    ( M - 1 )   The decimal “17” in BCD will be represented as _________.       ► 11101       ► 11011       ► 10111       ► 11110

CS302 Question No: 3    ( M - 1 )   The basic building block for a logical circuit is _______.       ► A Flip-Flop       ► A Logical Gate       ► An Adder       ► None of given options

Question No: 25    ( M - 1 )    .

Stack is an acronym for _________

       ► FIFO memory

       ► LIFO memory

       ► Flash Memory

       ► Bust Flash Memory

   

Question No: 26    ( M - 1 )    .

The 4-bit 2’s complement representation of “+5” is _____________

       ► 1010

       ► 1110

       ► 1011

       ► 0101

   

In decimal value “ 275 ” the weight of
the digit “ 7 ” is ___________
Select correct option :
0
1
10
100 ( Not Sure )

The decimal “ 10 ” will have an octal
equivalent ________
Select correct option :
9
10
11
12

Caveman number system is Base
______ number system
Select correct option :
2
5
10
16