GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 1099 - 1103 of 2080

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Question 1099

Appeared in Year: 2014 (UGC-NET)

Question

Match List-Ⅰ List-Ⅱ▾

Match the following: (June paper III)

List-Ⅰ (Column I)List-Ⅱ (Column II)
(A)

Deadlock detection

(i)

Thomas Write Rule

(B)

Deadlock recovery

(ii)

Wait for graph

(C)

Deadlock prevention

(iii)

Wait-die scheme

(D)

Timeout ordering protocol

(iv)

Roll back

Choices

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

a.

  • (iv)
  • (i)
  • (ii)
  • (iii)

b.

  • (iii)
  • (iv)
  • (ii)
  • (i)

c.

  • (ii)
  • (iv)
  • (iii)
  • (i)

d.

  • (i)
  • (iii)
  • (ii)
  • (iv)

Question 1100

Question

MCQ▾

11-bit 2՚s complement of is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1101

Appeared in Year: 2014 (UGC-NET)

Question

MCQ▾

Location transparency allows:

I. Users to treat the data as if it is done at one location.

II. Programmers to treat the data as if it is at one location.

III. Managers to treat the data as if it is at one location.

Which one of the following is correct? (December Paper III)

Choices

Choice (4)Response

a.

I, II and III

b.

I and II only

c.

II and III only

d.

II only

Question 1102

Appeared in Year: 2014 (UGC-NET)

Question

MCQ▾

Let be a relation schema with the following dependencies

Which of the following is a key for ? (June paper II)

Choices

Choice (4)Response

a.

CD

b.

EC

c.

AE

d.

AC

Question 1103

Appeared in Year: 2014 (UGC-NET)

Question

MCQ▾

A hierarchical memory system that uses cache memory has cache access time of 50 nano seconds, main memory access time of 300 nano seconds, 75 % of memory requests are for read, hit ratio of 0.8 for read access and the write-through scheme is used. What will be the average access time of the system both for read and write requests? (December Paper III)

Choices

Choice (4)Response

a.

75 n. sec.

b.

157.5 n. sec.

c.

110 n. sec.

d.

82.5 n. sec.

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