GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 300 - 306 of 2080

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Question 300

Question

MCQ▾

If AC power has a frequency of 80 Hz. What is the period of this sine wave?

Choices

Choice (4)Response

a.

12.5

b.

78.3

c.

16.5

d.

All of the above

Question 301

Question

MCQ▾

The period of a signal is 200 ms. what is its frequency in kilohertz?

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 302

Question

MCQ▾

FIFO scheduling is ________

Choices

Choice (4)Response

a.

Priority scheduling

b.

Non-preemptive scheduling

c.

Preemptive scheduling

d.

None of the above

Question 303

Question

MCQ▾

A functional dependency is a relationship between or among:

Choices

Choice (4)Response

a.

Tables

b.

Rows

c.

Attributes

d.

Relations

Question 304

Question

MCQ▾

E-R diagram can represent the overall ________structure of a database graphically

Choices

Choice (4)Response

a.

Structure

b.

Physical structure

c.

Logical structure

d.

None of the above

Question 305

Question

MCQ▾

ER model is used in which phase

Choices

Choice (4)Response

a.

schema refinement

b.

conceptual data base

c.

physical refinement

d.

All of the above

Question 306

Appeared in Year: 2015 (UGC-NET)

Question

MCQ▾

An ideal sort is an in-place-sort whose additional space requirement is … (December)

Choices

Choice (4)Response

a.

O (log2n)

b.

O (1)

c.

O (n)

d.

O (nlog2n)

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