GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 44 - 49 of 2080

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Question 44

Question

MCQ▾

A2.0 kHz signal is sampled at the rate of 2.8 kHz and the samples are applied to an ideal rectangular LPF with cut-off frequency of 2.2 kHz, then the output of the filter contains

Choices

Choice (4)Response

a.

800 Hz and 100 Hz components

b.

Only 800 Hz component

c.

800 Hz and 900 Hz components

d.

800 Hz, 900 and 100 Hz components

Question 45

Question

MCQ▾

TFTP stands for

Choices

Choice (4)Response

a.

Trivial File Transfer Protocol

b.

Trivial Format Transfer Protocol

c.

Transport layer security

d.

Question does not provide sufficient data or is vague

Question 46

Question

MCQ▾

Decimal value of binary number (11100)2

Choices

Choice (4)Response

a.

20

b.

29

c.

28

d.

All of the above

Question 47

Question

MCQ▾

Candidate key has only one ________in a table but there can be multiple candidate keys.

Choices

Choice (4)Response

a.

Primary Key

b.

Alternative Key

c.

Candidate Key

d.

Question does not provide sufficient data or is vague

Question 48

Question

MCQ▾

Which of the following is a process by which code is scrambled to hide its meaning?

Choices

Choice (4)Response

a.

Encryption

b.

private key

c.

Cartography

d.

All of the above

Question 49

Question

MCQ▾

What will be the output of following program?

  1. #include<stdio.h>
  2. intmain( ) { 
  3.   inta=500,x,y; 
  4.   if(a>=600) b=300; c=400; 
  5.   printf(“%d,%dn”,x,y); 
  6.   return0; 
  7. }

Choices

Choice (4)Response

a.

200,300

b.

500,200

c.

Garbage value , 400

d.

Garbage value

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