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Question 3282 – 2016 July NTA UGC NET Paper 1
February 13, 2024
Question 10558 – Digital-Logic-Design
February 13, 2024
Question 3282 – 2016 July NTA UGC NET Paper 1
February 13, 2024
Question 10558 – Digital-Logic-Design
February 13, 2024

Question 10071 – Digital-Logic-Design

Consider a logic circuit shown in figure below. The functions f1, f2 and f (in canonical sum of products form in decimal notation) are:

f1(w,x,y,z) = ∑8,9,10
f2(w,x,y,z) = ∑7,8,12,13,14,15
f(w,x,y,z) = ∑8,9 

The function f3 is

Correct Answer: B

Question 26 Explanation: 
f = f1⋅f2 + f3
Since, f1 and f2 are in canonical sum of products form, f1⋅f2 will only contain their common terms that is f1⋅f2 = Σ8.
Now,
Σ8 + f3 = Σ8,9
So, f3= Σ9
A
Σ9,10
B
Σ9
C
Σ1,8,9
D
Σ8,10,15
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