NTA UGC NET 2019 June - II

Question 11

Replacing the expression 4*2.14 by 8.56 is known as

• Constant folding
• Induction variable
• Strength reduction
• Code reduction

Question 12

A fuzzy conjunction operator denoted as t(x,y) and a fuzzy disjunction operator denoted as s(x, y) form a dual pair if they satisfy the condition:

• t(x,y)=1−s(x,y)
• t(x,y)=s(1−x,1−y)
• t(x,y)=1−s(1−x,1−y)
• t(x,y)=s(1+x,1+y)

Question 13

Which data structure is used by the compiler for managing variables and their attributes?

• Binary tree
• Link lIst
• Symbol table
• Parse table

Question 14

Which type of addressing mode, less number of memory references are required?

• Immediate
• Implied
• Register
• Indexed
• None of the above

Question 15

How many different Boolean functions of degree n are there?

• 2²ⁿ
• (2^2)^n
• 2^2^n-1
• 2^n

Question 16

Consider the equation (146)​ b​ + (313)​ b-2​ = (246)​ 8​ . Which of the following is the value of b?

• 8
• 7
• 10
• 16

Question 17

Match List-I with List-II List-I                    List-II (a) Disk                 (i) Thread (b) CPU                  (ii) Signal (c) Memory               (iii) File System (d) Interrupt            (iv) Virtual address Choose the correct option from those given below:

• (a)-(i); (b)-(ii); (c)-(iii); (d)-(iv)
• (a)-(iii); (b)-(i); (c)-(iv); (d)-(ii)
• (a)-(ii); (b)-(i); (c)-(iv); (d)-(iii)
• (a)-(ii); (b)-(iv); (c)-(iii); (d)-(i)

Question 18

In the TCP/IP model, encryption and decryption are functions of ____ layer.

• Datalink layer
• Network layer
• Transport layer
• Application layer

Question 19

Suppose that a connected planar graph has six vertices, each of degrees four. Into how many regions is the plane divided by a planar representation of this graph?

• 6
• 8
• 12
• 10

Question 20

Consider a disk system with 100 cylinders. The requests to access the cylinders occur in the following sequence: 4,34,10,7,19,73,2,15,6,20 Assuming that the head is current at cylinder 50, what is the time taken to satisfy all requests if it takes 1ms to move from the cylinder to adjacent one and the shortest seek time first policy is used?

• 375ms
• 238ms
• 276ms
• 119ms