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NIELIT 2020 : Revision Quiz 36

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Question 1

The average score of 42 students of section A & B of XYZ school in an exam is 69. The ratio of number of students of section A to that of section B is 10:11. The average score of students of section A is 20% more than that of students of section B. The average score of students of section A is:

Question 2

A boat can travel with a speed of 15 km/hr in still water. If the speed of stream is 7 km/hr, then find the time taken by the boat to go 72 km in upstream direction?

Question 3

Find the number of zeros at the end of the product of the given expression.

10 × 10³ × 10⁵ × 10⁷ × ------------ × 10⁷³.

Question 4

The number of prime factors in 6³³³ × 7²²² × 8¹¹¹

Question 5

Which data structure is used for implementing a LIFO branch and bound strategy?

Question 6

The entity relationship set is represented in E-R diagram as

Question 7

Suppose a message is encoded in ASCII code. The ASCII code is

1001100 1001111 1010110 1000101. What is the message?

Question 8

Three companies, X, Y and Z supply computers to a university. The percentage of computers supplied by them and the probability of those being defective are tabulated below.

Given the computer is defective, the probability that it was supplied by Y is:

Question 9

Which scheduling algorithm is best if we know the execution time?

Question 10

The strategy of allowing processes that are logically runnable to be temporarily suspended is called

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