Question

The output Y of a 2- bit comparator is logic 1 whenever the 2- bit input A is greater than the 2- bit input B. The number of combinations for which the output is logic 1, is

• A. $4$
• B. $10$
• C. $6$
• D. $8$

Answer 1

The correct option is C $6$

$A$	$B$	No.of Cases
$01$	$00$	$1$
$10$	$00,01$	$2$
$11$	$00,01,10$	$3$

Total $=6$