NIMCET SERIES Computer-awareness
Binary Logic
19 previous year questions.
Volume: 19 Ques
Yield: Medium
High-Yield Trend
4
2025 10
2023 5
2022 Chapter Questions 19 MCQs
01
PYQ 2022
medium
computer-awareness ID: nimcet-2
Which of the following is equivalent to the Boolean expression: ?
1
2
3
4
02
PYQ 2022
medium
computer-awareness ID: nimcet-2
The minimum number of NAND gates required for implementing the Boolean expression, is:
1
1
2
0
3
2
4
3
03
PYQ 2022
medium
computer-awareness ID: nimcet-2
Write the simplified form of the Boolean expression :
1
A + C'
2
A' + C
3
A + D
4
A + C
04
PYQ 2022
medium
computer-awareness ID: nimcet-2
The Boolean expression is unaffected by the value of the Boolean variable
1
A
2
None of these
3
C
4
B
05
PYQ 2022
medium
computer-awareness ID: nimcet-2
If a signal passing through a gate is inhibited by sending a low into one of the inputs, and the output is HIGH, the gate is a(n):
1
NOR
2
AND
3
OR
4
NAND
06
PYQ 2023
medium
computer-awareness ID: nimcet-2
The number of minterms in an variable truth table is:
1
2
3
4
07
PYQ 2023
medium
computer-awareness ID: nimcet-2
The reduced form of the Boolean function is
1
2
3
4
08
PYQ 2023
medium
computer-awareness ID: nimcet-2
Consider the following Boolean expression for F: . The minimum sum of products form of F is
1
2
3
4
09
PYQ 2023
medium
computer-awareness ID: nimcet-2
A bulb in the staircase has two switches, one switch is at the ground floor and the other one is at the first floor. The bulb can be turned ON and also can be turned OFF by any of the switches irrespective of the state of the other switch. The logic of the switching of the bulb resembles:
1
XOR Gate
2
AND Gate
3
OR Gate
4
XNOR Gate
10
PYQ 2023
medium
computer-awareness ID: nimcet-2
Consider the circuit shown below and find the minimum number of NAND gates required to design it.
1
4
2
6
3
3
4
5
11
PYQ 2023
medium
computer-awareness ID: nimcet-2
Consider the circuit shown below and find the minimum number of NAND gates required to design it. 
1
4
2
6
3
3
4
5
12
PYQ 2023
medium
computer-awareness ID: nimcet-2
Consider the following minterm expression for :
1
2
3
4
13
PYQ 2023
medium
computer-awareness ID: nimcet-2
Let and denote the Exclusive-OR and Exclusive-NOR operations respectively. Which one of the following is not correct?
1
2
3
4
14
PYQ 2023
medium
computer-awareness ID: nimcet-2
The number of minterms in an n-variable truth table is:
1
2
3
4
15
PYQ 2023
medium
computer-awareness ID: nimcet-2
A bulb in the staircase has two switches, one switch is at the ground floor and the other one is at the first floor. The bulb can be turned ON and also can be turned OFF by any of the switches irrespective of the state of the other switch. The logic of the switching of the bulb resembles.
1
XOR Gate
2
AND Gate
3
OR Gate
4
XNOR Gate
16
PYQ 2025
medium
computer-awareness ID: nimcet-2
Which of the following is the CORRECT truth table for the XOR gate with two binary inputs A and B?
1
2
3
4
17
PYQ 2025
medium
computer-awareness ID: nimcet-2
Given the Boolean expression , which of the following rows in the truth table would have an output of 1 (True)?
1
2
3
4
18
PYQ 2025
medium
computer-awareness ID: nimcet-2
Consider the Boolean function in a CPU control unit: Which of the following is the correct simplified expression for ?
1
2
3
4
19
PYQ 2025
medium
computer-awareness ID: nimcet-2
Consider the Boolean expression over two Boolean variables A and B. Which one of the following Boolean expressions is equivalent to the given Boolean expression X?
1
2
3
4