Skip to content
Related Articles

Related Articles

Improve Article
GATE | GATE-CS-2007 | Question 85
  • Difficulty Level : Basic
  • Last Updated : 19 Nov, 2018

Let f(w, x, y, z) = ∑(0, 4, 5, 7, 8, 9, 13, 15). Which of the following expressions are NOT equivalent to f?
(A) x’y’z’ + w’xy’ + wy’z + xz
(B) w’y’z’ + wx’y’ + xz
(C) w’y’z’ + wx’y’ + xyz + xy’z
(D) x’y’z’ + wx’y’ + w’y


Answer: (D)

Explanation: 20_0

Solving this k-map we get x’y’z’ + w’xy’ + wy’z + xz which is (A) part

20_1

Solving this k-map we get w’y’z’ + wx’y’ + xz which is (B) part.

20_2



Solving this k-map we get w’y’z’ + wx’y’ + xyz + xy’z which is ( C) part .

But we can’t get (D) part from any combination so Ans is (D) part.

Quiz of this Question

Attention reader! Don’t stop learning now. Learn all GATE CS concepts with Free Live Classes on our youtube channel.

My Personal Notes arrow_drop_up
Recommended Articles
Page :