Question

Which of the following will give the sum of full adders as output?

(a) Three point major circuit

(b) Three bit parity checker

(c) Three bit comparator

(d) Three bit counter

This question was posed to me in a job interview.

My question comes from Quine McCluskey or Tabular Method of Minimization of Logic Functions in section Boolean Algebra and Minimization Techniques and Logic Gates of Digital Circuits

Answer 1

Right option is (d) Three bit counter

The explanation is: Counters are used for counting purposes in ascending or descending order. Three bit counter will give the sum of full adders as output.