Digital Logic
Boolean Algebra
Marks 1Marks 2Marks 5
Combinational Circuits
Marks 1Marks 2
Number Systems
Marks 1Marks 2
Sequential Circuits
Marks 1Marks 2Marks 5
1
GATE CSE 2020
Numerical
+1
-0
A multiplexer is placed between a group of 32 registers and an accumulator to regulate data movement such that at any given point in time the content of only one register will move to the accumulator. The minimum number of select lines needed for the multiplexer is _____.
Your input ____
2
GATE CSE 2020
Numerical
+1
-0
If there are m input lines and n output lines for a decoder that is used to uniquely address a byte addressable 1 KB RAM, then the minimum value of m + n is ____.
Your input ____
3
GATE CSE 2013
MCQ (Single Correct Answer)
+1
-0.3
In the following truth table $$V=1$$ if and only if the input is valid. GATE CSE 2013 Digital Logic - Combinational Circuits Question 18 English

What function does the truth table represent?

A
Priority encoder
B
Decoder
C
Multiplexer
D
Demultiplexer
4
GATE CSE 2010
MCQ (Single Correct Answer)
+1
-0.3
The Boolean expression for the output $$f$$ of the multiplexer shown below is GATE CSE 2010 Digital Logic - Combinational Circuits Question 19 English
A
$$\overline {P \oplus Q \oplus R} $$
B
$${P \oplus Q \oplus R}$$
C
$$P+Q+R$$
D
$$\overline {P + Q + R} $$
GATE CSE Subjects
Theory of Computation
Operating Systems
Algorithms
Digital Logic
Database Management System
Data Structures
Computer Networks
Software Engineering
Compiler Design
Web Technologies
General Aptitude
Discrete Mathematics
Programming Languages
Computer Organization