GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 352 - 355 of 2080

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Question 352

Appeared in Year: 2015 (UGC-NET)

Question

MCQ▾

The family of context sensitive languages is ________ under union and ________ under reversal. (December)

Choices

Choice (4)Response

a.

Closed, not closed

b.

Not closed, not closed

c.

Not closed, closed

d.

Closed, closed

Question 353

Appeared in Year: 2015 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the following with respect to various memory management algorithms: (December)

List-ⅠList-Ⅱ
(A)

Dynamic partitions

(i)

Degree of multiprogramming

(B)

Fixed partitions

(ii)

Working set

(C)

Segmentation

(iii)

Supports user view of memory

(D)

Demand paging

(iv)

Compaction

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (i)
  • (iv)
  • (ii)
  • (iii)

b.

  • (iv)
  • (iii)
  • (ii)
  • (i)

c.

  • (iv)
  • (i)
  • (iii)
  • (ii)

d.

  • (i)
  • (iv)
  • (iii)
  • (ii)

Question 354

Appeared in Year: 2015 (UGC-NET)

Question

MCQ▾

In a classful addressing, the IP addresses with 0 (zero) as network number: (December)

Choices

Choice (4)Response

a.

Refers to the current network

b.

Refers to broadcast on a distant network

c.

Refers to loopback testing

d.

Refers to broadcast on the local network

Question 355

Appeared in Year: 2015 (UGC-NET)

Question

MCQ▾

Consider the following three SQL queries (Assume the data in the people table) :

(a) Select Name from people where Age > 21;

(b) Select Name from people where Height > 180;

(c) Select Name from people where (Age > 21) or (Height > 180) ;

If the SQL queries (a) and (b) above, return 10 rows and 7 rows in the result set respectively, then what is one possible number of rows returned by the SQL query (c) ? (December)

Choices

Choice (4)Response

a.

7

b.

10

c.

3

d.

21

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