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NIELIT STQC 2021 Quiz-51

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Question 1

Condition for monoid is __________.

Question 2

Let G be a finite group on 84 elements. The size of a largest possible proper subgroup of G is _______ .

Question 3

Consider the following factorization of a matrix A .

A = LU, where L = , U = and A =

If i = 1 then a_ij = j otherwise a_ij = 3 + a_(i–1)j. Find the matrix U.

Question 4

A 3 × 3 matrix is defined as

The values of x required for which A^-1 can’t be determined will be?

Question 5

The total time required by the computer to process a read/write request and then retrieve the required data from the disk storage is called?

Question 6

Disk access time does not depends on which of the following factors __________

Question 7

A hard disk has 128 sectors/ track, 20 platters, each with 2 recording surface and 1000 cylinders. The address of a sector is given as <c,h,s> where
c → cylinder number
h → surface number
s → sector number
0th sector is addressed as <0, 0, 0>.
The address <800, 15, 94> corresponds to sector number is ?

Question 8

Which of these is also known as look-ahead LR parser?

Question 9

Consider the grammar

E E + n | E × n | n

For a sentence n + n × n, the handles in the right-sentential form of the reduction are

Question 10

The full form of SIPO is ___________

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