Chapter Wise MCQ -

Class IX-X/SSC

Chapter-2: Computer and the Security of the User

Which one is the resource of the modern world?

Information

Data

Computer

The internet

Ans: Information

What happens when the number of temporary files increases?

Computer runs slow

Computer runs fast

Antivirus does not work

Internet access is denied

Ans: Computer runs slow

Which program runs fast while installing a piece of software from CD, DVD or pen drive?

Set up

Autorun

Read me

Restart

Ans: Autorun

4. Installation of software requires attention on whether—-

i. it supports the hardware or not

ii. the antivirus software is closed or not

iii. it has the permission of administrator or not

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: d. i, ii & iii

Read the section below, and answer the questions No. 5 and 6:

Mr. Salam has been noticing for a few days his computer restarts after being shut down irregular intervals. He remembers that it starter happening after he copied a song from the drive of his friend a few days ago.

The error responsible for the computer might be —

Operating System Software

Virus Software

Utility Software

Antivirus Software

Ans: Virus Software

6. For this reason, the computer of Mr. Salam—-

i. may show an unexpected message

ii. may show a sudden increase in the file size

iii. may show insufficient memory

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: b. i & iii

Which one is used to maintain the speed of the computer work?

Disk clean up and disk defragmenter

Anti-virus installation

Saving of temporary file

Saving files of Cache memory

Ans: Disk clean up and disk defragmenter

Who are compared to lamps—

Scientists

Teachers

Doctors

Engineers

Ans: Teachers

Virus is spread from one computer to another computer via-

RAM slot

Mouse

keyboard

Ans: CD

which is the function of BSA?

Information saving

Helping others to make copy

making duplicate documents

Ans: Copyright saving

Which one is the solution for the date and time are not correctly viewed in computer? Change the RAM

Change the ROM

Change the power supply

Set a new COMS battery

Ans: Set a new COMS battery

Which law ensures the right of ownership of the creators of his works for a certain time?

Copy save law

Copy left law

Copy protection law

Ans: Copyright law

Where is used the word trouble shooting?

In human ware

In firmware

In software

In hardware

Ans: In hardware

How many articles under section 7 of right to information act are there?

Ans: 7

With what the electronic devices are operated?

Software

Electricity

Hardware

Data

Ans: Software

Which one can create its own copy and move in different programs?

Virus

Antivirus

Password

Mouse pointer

Ans: Virus

Normally beep sound produce by which problem?

COMS

CPU

ROM

RAM

Ans: RAM

The command of deleting Record or Row is

Select Row → Home → Delete → Yes

Home → Select → Row → Delete → Yes

Home → Delete → Select → Row → Yes

Delete → Yes → Select →Row → Home

Ans: Home → Select → Row → Delete → Yes

In which year has Bangladesh been enacted to ensure

the right of having information?

1971

2009

2011

2013

Ans: 2009

20. To keep the usual speed of the computer, the computer users can run –

i. disk clean up

ii. disk format

iii. disk defragment

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: a. i & ii

21. Normal speed of computer work is needed to maintain–

i. occasionally unused files need to be cleaned

ii. occasionally the computer will need to clean the dust

iii. occasionally defragment the disk

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: d. i, ii & iii

22. Complex password consists of —

i. Alphabet

ii. Number

iii. Special symbol

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: d. i, ii & iii

Read the stem and answer the questions 23 and 24:

All the computers in the multimedia room of Evan’s school are desktop. Evan went to switch on a computer and saw that the signal lamp was on but there was no display.

What can be the problem of that computer?

The power supply unit is damaged

The CPU cooler fan has been damaged

The RAM may have a problem

The Hard disk may have a problem

Ans: The RAM may have a problem

24. The solution to the problem of the computer may be—

i. clean the RAM connections with eraser and reset

ii. Replace a new hard disk

iii. Installing a new RAM

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: b. i & iii

Read the following passage and give correct answer to the questions 25 & 26:

‘X’ is observing for someday that his computer is taking long time to run and saved file is lost by rebooting the computer. When he told about this problem to his madam, she recommended him to use anti software.

25. ‘X’ will use to increase the speed of computer–

i. Disk Cleanup

ii. Disk Defragmenter

iii. Disk Remover

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: a. i & ii

26. The software is recommended by madam–

i. Anti-virus

ii. Anti-cleanup

iii. Anti-malware

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: b. i & iii

Another name of Digital Copy is–

Soft copy

Digit Copy

Hard Copy

Programming

Ans: Soft copy

Failure of what causes the ‘Beep’ sound?

ROM

RAM

Battery

CPU

Ans: RAM

What is the full form of USB?

Universal Serial Batch

Universal System Bus

Universal Serial Bus

Universal System Batch

Ans: Universal Serial Bus

What is the process of uninstalling software from computer?

Start > Add or Remove > Uninstall

Start > Control panel > Programs > Uninstall

Start > Run > Control panel > Add or Remove

Control panel > Programs > Uninstall

Ans: Start > Run > Control panel > Add or Remove

According to BSA, how many computer users are free from piracy?

70%

30%

60%

40%

Ans: 70%

Which of the following are components Central Processing Unit (CPU)?

Arithmetic logic unit, Mouse

Arithmetic logic unit, Control unit

Arithmetic logic unit, Integrated Circuits

Control Unit, Monitor

Ans: Arithmetic logic unit, Control unit

Documents, Movies, Images and photograph etc, are stored at a

Application server

Web server

Print server

File server

Ans: Web server

Which of the program start before the installation of a program/software?

Auto run

Auto install

Auto hide

Auto script

Ans: Auto run

Normally beep sound produce by which problem?

COMS

CPU

ROM

RAM

Ans: RAM

Where do cookies and temp files get stored?

browser

hard disc

RAM

ROM

Ans: browser

What device does the operating system contain?

Disc editor

Disc copier

Disc fragmenter

spyware

Ans: Disc fragmenter

What is the carrier of virus?

ROM

RAM

Processor

Pen Drive

Ans: Pen Drive

What happened when the number of temporary files increases?

Computer run slow

Computer run fast

Antivirus does not work

Internet access is denied

Ans: Computer run slow

Which program runs fast while installing a piece of software from CD, DVD & Pen drive?

Setup

Auto run

Read me

Restart

Ans: Auto run

Which operating system is used most-

Android

Windows

MS DOS

Linux

Ans: Windows

From where will you start 2-step verification?

Control Panel

Device setting

Account setting

Display setting

Ans: Account setting

In which year Bangladesh government enacted rights of information act?

2005

2007

2009

2010

Ans: 2009

According to BSA, what percentage of the computer users is free from piracy?

50%

60%

70%

80%

Ans: 70%

Which one is correct Keyboard format?

asdfj

ghijk

uight

qwert

Ans: qwert

Normally beep sound produce by which problem?

CMOS

CPU

ROM

RAM

Ans: RAM

Playing computer game at a stretch for how many hours did a Korean man die?

24 hours

36 hours

48 hours

50 hours

Ans: 50 hours

How many users out of 10 are free from piracy?

Ans: 7

With what the electronic devices are operated?

Software

Electricity

Hardware

Data

Ans: Software

Which one can create its own copy and move in different programs?

Virus

Antivirus

Password

Editor

Ans: Virus

Normally beep sound produce by which problem?

CMOS

CPU

ROM

RAM

Ans: RAM

Which of the following operating systems is in highest use across the world?

Android

Windows

Mac OS

Linux

Ans: Windows

What device does the operating system contain?

disc editor

disc copier

disc fragmentary

spyware

Ans: disc fragmentary

Which software helps to keep the computer active & running?

operating system

cleaner

winner

registry clean up software

Ans: registry clean up software

What has to be used to solve the out of memory problem?

change of ROM

Use additional RAM

Install New Processor

Change the RAM

Ans: Use additional RAM

What is the full form of VIRUS?

Vital Information & Resources Under Siege

Vital Information & Resources Under service

Vital Information & Resource Upon sell

Vital information & Resources unity selection

Ans: Vital Information & Resources Under Siege

57. To maintain the usual operating speed of the computer, required is:

i. Deleting unnecessary files often

ii. Cleaning the computer by opening it often

iii. Defragmenting the disk often

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: c. ii & iii

58. A strong password has :

i. Number

ii. Letter

iii. Special Character

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: d. i, ii & iii

59. Computer games can be played with

i. others

ii. computer itself

iii. gamers in a remote place

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: d. i, ii & iii

60. If the printer is not giving any output, the possible solution will be

i. Power cable, data cable connection checking

ii. opening the cover of printer to check whether paper is jammed

iii. the change of cartridge

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: d. i, ii & iii

61. Installation of software requires attention on whether

i. It supports hardware or not

ii. The antivirus software is closed or not

iii. It has the permission of administrator or not

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: d. i, ii & iii

62. Fred Cohen –

i. Virus was named by him

ii. Renowned doctor

iii. Researcher of University of New Haven

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: b. i & iii

63. To keep the speed of a computer usual, the users use

i. Anti virus

ii. Dist cleanup

iii. Disk defragmenter

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: c. ii & iii

64. Normal speed of computer work is needed to maintain—

i. Occasionally unused files need to be cleaned

ii. Occasionally the computer will need to clean the dust

iii. Occasionally defragment the disk

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: b. i & iii

Read the following passage & answer to the questions no. 65 & 66 :

Rafii’s computer is shutting down after every few minutes without even heating up.

What is the problem in Rafi’s computer?

Defective Capacitor

Heating up of CPU

Problem in RAM

CD ROM not working

Ans: Defective Capacitor

66. To solve the problem, Rafi has to–

i. Check the motherboard

ii. Check if the IC is heating up

iii. Check power supply connection

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: a. i & ii

Read the following stem and answer the question No. 67 and 68 :

Even though there is an antivirus software in the computer, but it is not working properly.

Mr Hasan could not understand the reason.

no backup

no motherboard

not updated

low space in the memory

Ans: not updated

68. Antivirus software that Mr. Hasan can use for his work are—

i. AVG

ii. Norton

iii. Malware

Which one is correct?

i & ii b. i & iii c. ii & iii d. i, ii & iii

Ans: a. i & ii