NCO- Cyber Olympiad (SOF) Class 8: Questions 420 - 425 of 510

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Question number: 420

» Computers » Internet & Viruses

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MCQ▾

Question

The viruses that change their appearance to avoid detection are ________.

Choices

Choice (4)Response

a.

Parasitic viruses

b.

MBR viruses

c.

DBR viruses

d.

Polymorphic viruses

Question number: 421

» Mental Ability » Number Games » Number Analogies

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Appeared in Year: 2010

MCQ▾

Question

How many 8’s are there in the following number series which are exactly divisible by its immediately preceding number and also divisible by immediately succeeding number?

8 2 4 5 1 7 2 8 4 8 4 2 2 8 2 6 9 8 4 5 4 8 3 2 8 4 3 1 8 3

Choices

Choice (4)Response

a.

1

b.

2

c.

3

d.

4

Question number: 422

» Computers » Memory & Storage Devices

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Appeared in Year: 2010

MCQ▾

Question

A method of erasing magnetic media and the removal of remnants of previously recorded signals is called ________.

Choices

Choice (4)Response

a.

Deram

b.

Default

c.

Debug

d.

Degauss

Question number: 423

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

What number is one half of one quarter of one tenth of 400?

Choices

Choice (4)Response

a.

4

b.

5

c.

10

d.

0

Question number: 424

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

Megha ascends 5 temples and also descends. Each temple is having 150 stairs. How many stairs does she walk?

Choices

Choice (4)Response

a.

1250 stairs

b.

300 stairs

c.

1500 stairs

d.

750 stairs

Question number: 425

» Computers » Memory & Storage Devices

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Appeared in Year: 2010

MCQ▾

Question

To play Sound and Music files from your computer, you require ________.

Choices

Choice (4)Response

a.

A program to play media

b.

Speakers

c.

Sound Card

d.

All a. , b. and c. are correct

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