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CS302 Solved Quiz 1 – MCQs – Digital Logic Design 

Question 1

A standard SOP form has __________ terms that have all the variables in the domain of the expression.

 

Ans :Sum

 

 

Question 2

.Which one of the following is not a valid rule of Boolean algebra?

(a) A + 1 = 1

(b) A = Ā

(c) A.A = A

(d) A + 0 = A

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Question 3

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

1

2

3  (correct)

 4

Question 4

If two adjacent 1s are detected in the input, the output is set to high. 
 input combinations will be 

1) 0011

2) 0101  

3) 1100 

4) 1010

 

 

Question 5

 

 The 4-variable Karnaugh Map (K-Map) has ______rows and ____colums

2,2 

4,4,   

4,2  

2,4

 

 

Question 6

The boolean expression A + B' + C is

 

a sum term

a literal term

a product term

a complemented term

 

 

Question 7

 

the boolean expression AB'CD'is

a sumterm
a product term
a literal term
always 1

 

 

Question 8

 

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

0
1
X
None of the given options

 

Question 9

An example of SOP expression is

A + B(C + D)
A'B + AC' + AB'C
(A' + B + C)(A + B' + C)
both (a) nad (b)

 

 

Question 10

 

For a Standard SOP expression, a ______ is placed in the cell corresponding to the product term (Minterm) present in the expression.

0
1
X (don’t care condition)


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Replies to This Discussion

Question # 1 of 10 ( Start time: 09:48:01 AM )
 Total M - 1
The ABEL symbol for “OR” operation is
Select correct option:
 &
 !
 #
 $
 
Question # 2 of 10 ( Start time: 09:48:22 AM )
 Total M - 1
Adjacent 1s detector circuit will have active low output for the input
Select correct option:
 1101
 1010
 0110
 1011
 
Question # 3 of 10 ( Start time: 09:49:03 AM )
 Total M - 1
A 5-variable karnaugh map has
Select correct option:
 sixteen cells
 thirty two cells
 sixty-four cells
 None of these
 
Question # 4 of 10 ( Start time: 09:49:35 AM )
 Total M - 1
the boolean expression AB'CD'is
Select correct option:
 a sumterm
 a product term
 a literal term
 always 1
 
Question # 5 of 10 ( Start time: 09:50:08 AM )
 Total M - 1
On a Karnaugh map, grouping the 0s produces
Select correct option:
 a POS expression
 a SOP expression
 a "don't care" condition
 AND-OR logic
 
Question # 6 of 10 ( Start time: 09:50:30 AM )
 
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
 
Question # 7 of 10 
 Total M - 1
8-bit parallel data can be converted into serial data by using ________ multiplexer
Select correct option:
 4-to-2
 4-to-4
 8-to-1
 8-to-4
 
Question # 8 of 10 
 Total M - 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

Question # 9 of 10 
the boolean expression A + B' + C is
Select correct option:
 a sum term
 a literal term
 a product term
 a complemented term
 
Question # 10 of 10 
 
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) nad (b)

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