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NIELIT-Scientist- 'B' Quiz -2 (Technical)

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Question 1

A system has four processes and five-allocatable resources. The current allocation and maximum needs are as follows:

The smallest value of x for which the above system in safe state is _________.

Question 2

If an instruction takes ‘i’ microseconds and a page fault takes an additional ‘j’ microseconds. The effective instruction time, if on the average a page fault occurs every k instructions, is

Question 3

For the implementation of Paging scheme, suppose the average process size be x bytes, the page size by y bytes, and each page entry requires z bytes. The optimum page size that minimizes the total overhead due to the page table and the internal fragmentation loss is given by

Question 4

Which of the following is not valid with reference to Message Passing Interface (MPI)?

Question 5

A semaphore count of negative n means (s = – n) that the queue contains ________ waiting processes.

Question 6

Consider the below circuit and find the output function (x, y, z).

Question 7

The equivalent hexadecimal notation for octal number 2550276 is:

Question 8

The number of flip-flops required to design a modulo-272 counter is :

Question 9

If the number of leaves in a strictly binary tree is an odd number, then what can you say with full conviction about total number of nodes in the tree?

Question 10

Which one of the following binary search tree is optimal, if probabilities of successful search and unsuccessful search are same?

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