**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 (P**

**age 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: 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

**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: 12 ( Marks: 1 ) - Please choose one**

NOT

Gate

level

AND

Gate

level

OR Gate

level

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: 16 ( Marks: 1 ) - Please choose one**

"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

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

The range of Excess-8
code is from ______ to ______

**► +7 to**

**-8 (Page 34)**

► +8 to -7

► +9 to -8

► -9 to +8

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

A non-standard POS is converted into a
standard POS by using the rule _____

►

**►**

AA = 0

**(Page 85)**
►

► A+B = B+A

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

The 3-variable Karnaugh Map (K-Map) has
_______ cells for min or max terms

► 4

**►**

**8 (Page 89)**

► 12

► 16

**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

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

The function to be
performed by the processor is selected by set of inputs known as ________

**► Function Select Inputs (Page 147)**

► MicroOperation
selectors

► OPCODE Selectors

► None of given
option

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

For a 3-to-8 decoder how many 2-to-4
decoders will be required?

**►**

**2 (Page 160)**

► 1

► 3

► 4

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

GAL is an acronym for ________.

► Giant Array Logic

**►**

**General Array Logic (Page 183)**

► Generic Array Logic

► Generic Analysis
Logic

**Question No: 12 ( Marks: 1 ) - Please choose one**

The Quad Multiplexer has _____ outputs

**►**

**4 (Page 216)**

► 8

► 12

► 16

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

A.(B.C) = (A.B).C is an expression of
__________

► Demorgan‟s Law

► Distributive Law

► Commutative Law

**►**

**Associative Law (Page 72)**

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

2's complement of any
binary number can be calculated by

► adding 1's
complement twice

**► adding 1 to 1's complement (Page 144)**

► subtracting 1 from
1's complement.

► calculating 1's
complement and inverting Most significant bit

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

The binary value “1010110”
is equivalent to decimal __________

**► 86 (According to**

**formula)**

► 87

► 88

► 89

**Question No: 16 ( Marks: 1 ) - Please choose one**

Tri-State Buffer is basically a/an
_________ gate.

► AND

► OR

► NOT

**► XOR (Page 186)**

**MIDTERM EXAMINATION 2010**

**1.**

**The binary value “11011” is equivalent to __________**

►

**1B (According to rule)**
►1C

►1D

►1E

**2. An important application of AND Gate is its use in counter circuit**

►

**True (Page 281)**
►False

**3. The OR Gate performs a Boolean _______ function**

►

**Addition (Page 42)**
►Subtraction

►Multiplication

►Division

**4. TTL based devices work with a dc supply of ____ Volts**

►+10

►

**+5 (Page 61)**
►+3

►3.3

**5. A standard POS form has __________ terms that have all the variables in the domain of the**

**expression.**

►

**Sum (Page 85)**
►Product

►Min

►Composite

**6. A SOP expression having a domain of 3 variables will have a truth table having ____**

**combinations of inputs and corresponding output values.**

►2

►4

►

**8 (According to rule)**
►16

**7. A BCD to 7-Segment decoder has**

►3 inputs and 7
outputs

►

**4 inputs and 7 outputs (Page 103)**
►7 inputs and 3
outputs

► inputs and 4
outputs

**8. In the Karnaugh map shown above, which of the loops shown represents a legal grouping?**

►A

►

►

**C****click here for detail**
►D

**9. The binary value of 1010 is converted to the product term**

►True

►

**False****10. 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

**11.**

( ) 1 3 2
1 C S S S out + +

**is boolean expression for**

►Half Adder

►Full Adder

►

**The Invalid BCD Detector Circuit (page 142)**
►Parity Checker

**12. 3-to-8 decoder can be used to implement Standard SOP and POS Boolean expressions**

►

**True (Page 160)**
►False

**13. The device shown here is most likely a _______**

►Comparator

►Multiplexer

►

**Demultiplexer****click here for detail**
►Parity generator

**14. The GAL22V10 has ____ inputs**

►

**22 (Page 195)**
►10

►44

►20

**15. A latch retains the state unless**

►Power is turned off

►

**Input is changed (page 218)**
►Output is changed

►Clock pulse is
changed

**16. 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

**17. Consider a circuit consisting of two consecutive NOT gates, the entire circuit belongs to a CMOS**

**5 Volt series, if certain voltage is applied on the input, the output voltage of Logic high signal**

**(V**

**oH**

**) will be in the range of _______ volts.**

►4 to 4.5

►

**4.5 to 5**
►0 to 4.5

►0 to 3.5

**18. A.(B.C) = (A.B).C is an expression of __________**

►Demorgan‟s Law

►Distributive Law

►Commutative Law

►

**Associative Law (Page 72)****19. The 4-**

**bit 2’s complement representation of “+5” is _________**

**____**

►1010

►1110

►

**1011**
►0101

**20. Which of the number is not a representative of hexadecimal system**

►1234

►ABCD

►1001

►

**DEHF Hexa does not have H as remainder**## Mega File Of Cs302 Mcqs With Refrence By Moaaz

**https://drive.google.com/open?id=1MD42NyvYe7U0Tdn1CBvE4P5I7ynJn0pk**

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