Question

14. What are Full adders and Half adders used for and what are there differences.

Answer 1

Full adder is used in many circuit :-

-> addition if n bit at a time in ripple carry adder circuit

-> performing arithmetic logic unit

->in program counter to generate next address

Use of half adder :-

-> can be used to make full addee circuit

-> alu operation

Differences :-

The hakf adder is used for adding two digits binary and produce the output as sum and carry, while full adder is used for adding three one bit binary that is operands, operand, and carry and produce output as carry and sum