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GATE CSE

K Maps

Digital Logic

Previous Years Questions

Marks 1

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Consider the following interm expression of $$F:$$ $$F\left( {P,\,Q,\,R,\,S} \right) = \sum {0,2,5,7,8,10,13,15} $$ Th...
GATE CSE 2014 Set 3
In the Karnaugh map shown below, $$X$$ denotes a don’t care term. What is the minimal form of the function represented b...
GATE CSE 2008
Minimum $$SOP$$ for $$f(w, x, y, z)$$ shown in karnaugh $$-$$ map below is ...
GATE CSE 2002
Given the following Karnaugh map, which one of the following represents the minimal Sum-Of-Products of the map? ...
GATE CSE 2001
Which of the following functions implements the Karnaugh map shown below? ...
GATE CSE 1999

Marks 2

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What is the minimum number of 2-input NOR gates required to implement a 4-variable function function expressed in sum-of...
GATE CSE 2019
Consider the minterm list form of a Boolean function 𝐹 given below. $$F\left( {P,Q,R,S} \right) = $$ $$\sum {m\left( {0...
GATE CSE 2018
What is the minimal form of the Karnaugh map shown below? Assume that $$X$$ denotes a don’t care term. ...
GATE CSE 2012
Consider a multiplexer with $$X$$ and $$Y$$ as data inputs and $$Z$$ as control input. If $$z=0$$ select input $$x,$$ an...
GATE CSE 2004
The literal count of a Boolean expression is the sum of the number of times each literal appears in the expression. For ...
GATE CSE 2003
Which function does NOT implement the Karnaugh map given below? ...
GATE CSE 2000
What is the equivalent Boolean expression in product-of-sums form for the Karnaugh map given in fig? ...
GATE CSE 1996

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