नीचे दर्शाया गया परिपथ किस प्रकार का है?

Question

Question

This question was previously asked in

KVS TGT WET (Work Experience Teacher) 23 Dec 2018 Official Paper

Answer 1

Concept:

A half subtractor is a combinational circuit that is used to perform the subtraction of two single-bit words, i.e. it requires 2 input bits.

It subtracts two single-bits A & B and produces difference d & borrow b.

The equation for half subtractor is :

d = A'B + AB' or A ⊕ B

b = A'B

Truth Table for half subtractor:

A	B	Difference	Borrow
0	0	0	0
0	1	1	1
1	0	1	0
1	1	0	0

Circuit Diagram:

3 feb