UGC-NET | UGC NET CS 2016 July – III | Question 53
A multicomputer with 256 CPUs is organized as 16 × 16 grid. What is the worst case delay (in hops) that a message might have to take ?
(A)
16
(B)
15
(C)
32
(D)
30
Answer: (D)
Explanation:
We have a 16 x 16 grid, There will be (M – 1) + (N – 1) hops for the M * N grid. In the given question M = N. # of hops = (M – 1) + (M – 1) = 2 * (M – 1) = 2 * (16 – 1) = 2 * 15 = 30 hops. So, option (D) is correct.
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Last Updated :
26 Apr, 2018
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