# GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 886 - 890 of 2080

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## Question 886

Appeared in Year: 2013 (UGC-NET)

### Question

MCQ▾

In IPV 4, the IP address belongs to (December paper III)

### Choices

Choice (4)Response

a.

Class C

b.

Class B

c.

Class D

d.

Class A

## Question 887

Appeared in Year: 2013 (UGC-NET)

### Question

MCQ▾

Simplest way of deadlock recovery is (December paper III)

### Choices

Choice (4)Response

a.

Roll back

b.

Preempt resource

c.

Lock one of the processes

d.

Kill one of the processes

## Question 888

Appeared in Year: 2013 (UGC-NET)

### Question

MCQ▾

Let and be two matrices. The efficient algorithm to multiply the two matrices has the time complexity. (December paper III)

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 889

Appeared in Year: 2013 (UGC-NET)

### Question

Match List-Ⅰ List-Ⅱ▾

Armstrong (1974) proposed systematic approach to derive functional dependencies. Match the following w. r. t. functional dependencies: (December paper III)

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

Union Rule

(i)

If then

(B)

Pseudo transitivity

(ii)

If and then

(C)

Composition Rule

(iii)

If and then

(D)

Decomposition Rule

(iv)

If and then

### Choices

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

a.

• (iii)
• (i)
• (ii)
• (iv)

b.

• (iii)
• (iv)
• (ii)
• (i)

c.

• (ii)
• (i)
• (iv)
• (iii)

d.

• (iv)
• (iii)
• (i)
• (ii)

## Question 890

Appeared in Year: 2013 (UGC-NET)

### Question

MCQ▾

Important advantage of using new and delete operators in C ++ is (December paper III)

### Choices

Choice (4)Response

a.

Allocation of memory

b.

Initialization of memory easily

c.

Frees the memory previously allocated

d.

Allocation of memory and frees the memory previously allocated.

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