Question

TTL 74LS85 is a _____________

(a) 1-bit digital comparator

(b) 4-bit magnitude comparator

(c) 8-bit magnitude comparator

(d) 8-bit word comparator

I had been asked this question in an interview.

This interesting question is from Magnitude Comparator in section Combinational Circuits of Digital Circuits

Answer 1

Correct option is (b) 4-bit magnitude comparator

The best I can explain: TTL 74LS85 is a 4-bit magnitude comparator.