Set Theory & Algebra [GATE (Graduate Aptitude Test in Engineering) Computer Science]: Questions 1 - 5 of 91

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Question 1

Set Theory & Algebra

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 2

Set Theory & Algebra

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 3

Set Theory & Algebra

Appeared in Year: 2015 (UGC-NET)

Question

MCQ▾

Which of the following properties a Group G must hold, in order to be an Abelian group?

(1) The distributive property

(2) The commutative property

(3) The symmetric property (December)

Choices

Choice (4)Response

a.

(2) only

b.

(2) and (3)

c.

(1) and (2)

d.

(1) only

Question 4

Set Theory & Algebra

Appeared in Year: 2015 (UGC-NET)

Question

MCQ▾

There are exactly … different finite automata with three states x, y and z over the alphabet {a, b} where x is always the start state. (December)

Choices

Choice (4)Response

a.

5832

b.

1024

c.

256

d.

64

Question 5

Set Theory & Algebra

Appeared in Year: 2015 (UGC-NET)

Question

MCQ▾

A horn clause is … (December)

Choices

Choice (4)Response

a.

A disjunction of a number of literals

b.

A clause that has at most one positive literal.

c.

A clause in which no variables occur in the expression

d.

A clause that has at least one negative literal

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