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NIELIT STQC 2021 Quiz-19

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Question 1

An unbiased coin is drawn 500 times. Calculate ratio between mean and standard deviation

Question 2

A fair coins is tossed 10 times. The probability that the difference between the number of heads and tails is 7?

Question 3

The relation {(1,2), (1,3), (3,1), (1,1), (3,3), (3,2), (1,4), (4,2), (3,4)} is

Question 4

Let A be a finite set with m elements. Then the number of elements in the largest equivalence relation of A is

Question 5

Which of the following is equivalent regular expressions?

(i) ((01)*(10)*)*

(ii) (10 + 01)*

(iii) (01)* + (11)*

(iv) (0* + (11)* + 0*)*)

Question 6

What is the meaning of regular expression Σ* 001 Σ*?

Question 7

Consider the following sequence of micro-operations:
MBR←PC
PC←Y+PC
Mem←MBR
The addressing mode and operation depicted are respectively

Question 8

A code converter is a logic circuit that _____________

Question 9

Consider relation R with five attributes as R (A B C D E), How many super keys are possible if AB is the candidate key?

Question 10

What will be the output of following?

main()

{

Static int a = 3;

printf(“%d” ,a- -);

if (a)

main();

}

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Aug 9GATE & PSU CS