Login to track your progress, bookmark questions, and view history.
Practice over 1000+ GATE-level questions from this topic!
Designed to match the latest GATE pattern with topic-wise precision, difficulty tagging, and detailed solutions.
Q#1
Combinational Circuits
GATE EC 2025
MCQ
+1 mark
-0.33 marks
A full adder and an XOR gate are used to design a digital circuit with inputs 
, and 
, and output 
, as shown below. The input is connected to the carry-in input of the full adder.
If the input is set to logic ' 
', then the circuit functions as _________ with 
and 
as inputs.
an adder
a subtractor
a multiplier
a binary to Gray code converter
Explanation Locked!
Unlock this branch to view the explanation, track, bookmark and more.
Sign in to Unlock
Login to keep track of your progress with the tool with daily goals, questions preparation and more.
Browse Practice Questions by Chapters / Topics in Browse Practice Questions by Chapters / Topics in GATE Electronics and Communications
Total Questions
Attempted
% Attempted
Correct
% Correct
Login to keep track of your progress with the tool with daily goals, questions preparation and more.
Login to track your progress, bookmark questions, and view history.