GATE (Graduate Aptitude Test in Engineering) Computer Science: Questions 7 - 12 of 2080

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Question 7

Question

MCQ▾

An analog signal has a bit rate of 5000 bps and a baud rate of 100 baud. How many data elements are carried by each signal element? How many signal elements do we need?

Choices

Choice (4)Response

a.

32

b.

16

c.

64

d.

All of the above

Question 8

Question

MCQ▾

DNS is designed as a ________application.

Choices

Choice (4)Response

a.

Client/server

b.

resolver

c.

router

d.

All of the above

Question 9

Question

MCQ▾

If the executing program size is greater than the existing RAM of a computer, it is still possible to execute the program if the OS supports ________.

Choices

Choice (4)Response

a.

Segmentation

b.

Multitasking

c.

Virtual memory

d.

All of the above

Question 10

Question

MCQ▾

If the sequence of operations - push (10) , push (20) , pop, push (10) , push (20) , pop, pop, pop, push (20) , pop are performed on a stack, the sequence of popped out values are?

Choices

Choice (4)Response

a.

20, 20,10, 10,20

b.

1,2, 2,2

c.

20, 20,10, 20,20

d.

1,2, 2,1

Question 11

Question

MCQ▾

In multicast communication is ________and a group of destinations.

Choices

Choice (4)Response

a.

one source

b.

two source

c.

three source

d.

All of the above

Question 12

Question

MCQ▾

The postfix expression for (x + y) ⚹ (z/w) is?

Choices

Choice (4)Response

a.

xy + zw/⚹

b.

xyzw +-⚹

c.

xy + zw⚹-

d.

xy +- zw⚹

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