# Magnitude Comparator MCQ’s

This set of Digital Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Magnitude Comparator”.

1. Which one is a basic comparator?
a) XOR
b) XNOR
c) AND
d) NAND

2. An identify comparator is defined as a digital comparator which has ____________
a) Only one output terminal
b) Two output terminals
c) Three output terminals
d) No output terminal

3. How many inputs are required for a digital comparator?
a) 1
b) 2
c) 3
d) 4

4. A magnitude comparator is defined as a digital comparator which has ____________
a) Only one output terminal
b) Two output terminals
c) Three output terminals
d) No output terminal

5. In a comparator, if we get input as A>B then the output will be ____________
a) 1
b) 0
c) A
d) B

6. All the comparisons made by comparator is done using ____________
a) 1 circuit
b) 2 circuits
c) 3 circuits
d) 4 circuits

7. Comparators are used in ____________
a) Memory
b) CPU
c) Motherboard
d) Hard drive

8. A circuit that compares two numbers and determines their magnitude is called ____________
a) Height comparator
b) Size comparator
c) Comparator
d) Magnitude comparator

9. TTL 74LS85 is a _____________
a) 1-bit digital comparator
b) 4-bit magnitude comparator
c) 8-bit magnitude comparator
d) 8-bit word comparator

10. How many types of digital comparators are?
a) 1
b) 2
c) 3
d) 4

11. One that is not the outcome of magnitude comparator is ____________
a) a > b
b) a – b
c) a < b
d) a = b

12. The purpose of a Digital Comparator is ____________
a) To convert analog input into digital
b) To create different outputs
c) To add a set of different numbers
d) To compare a set of variables or unknown numbers

13. If two numbers are not equal then binary variable will be ____________
a) 0
b) 1
c) A
d) B

14. A procedure that specifies finite set of steps is called ____________
a) Algorithm
b) Flow chart
c) Chart
d) Venn diagram