Concept drill

binary-numbers

GATE CSE & IT · Regular Languages · 2021-2021

PYQs

100%

keyed

elite explanations

years appeared

Study anchor

Hopcroft-Ullman / Dragon Book

Automata, languages, parsing, syntax-directed translation

Practice action

Start latest PYQ

PYQs in this concept

All concepts →

2021 PYQ

Which of the following regular expressions represent(s) the set of all binary numbers that are divisible by three? Assume that the string ∈ divisible by three.

mediumanswer keybasic explanation