Computer Basics Questions

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21.

The MS-DOS operating system is a .....

A

graphical user interface, single-tasking operating system

B

graphical user interface, multi-tasking operating system

C

command-driven interface, single-tasking operating system

D

command-driven interface, multi-tasking operating system

E

None of these

Correct Answer: C

None.

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22.

Which of the following was an early desktop operating system that included an integrated graphic user interface with point-and-click features?

A

MS-DOS

B

Mac OS

C

Unix

D

Gnome

E

None of these

Correct Answer: B

None.

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23.

The most recent version of the Mac OS is based on the ......... operating system.

A

Windows

B

Linux

C

Unix

D

CMOS

E

None of these

Correct Answer: C

None.

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24.

The essential difference between an operating system like Linux and one like Windows is that

A

Windows can run with an Intel processor, whereas Linux cannot.

B

Linux is proprietary, whereas Windows is not.

C

any programmer can modify Linux code, which is not permitted with Windows.

D

there are multiple versions of Linux, but only one version of Windows.

E

None of these

Correct Answer: C

None.

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25.

Which of the following is NOT an advantage of open-source operating systems over proprietary versions?

A

Free use and distribution

B

Availability of technical support

C

Availability of source code

D

Ability to modify code

E

None of these

Correct Answer: B

None.

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26.

Use of icons and windows are characteristic of a .......... interface.

A

command-driven

B

windows-oriented

C

graphical-user

D

menu-driven

E

None of these

Correct Answer: C

None.

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27.

The main purpose of the offline device is.......

A

To reduce the no.of operator errors in recording data

B

To save computer time

C

To save floor space in the computer center

D

All of the above

E

None of these

Correct Answer: B

None.

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28.

A computer assisted method for the recording and analyzing of existing hypothetical systems is known as

A

Distributed processing

B

Data transmission

C

Data link

D

Data flow

E

None of these

Correct Answer: D

None.

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29.

What is object of UPS?

A

Using for storage

B

To increase the speed of a computer

C

Provides backup power

D

All of the above

E

None of these

Correct Answer: C

An uninterruptible power supply (UPS) is a device that allows a computer to keep running for at least a short time when the primary power source is lost. It also provides protection from power surges.

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30.

QWERTY is used with reference to

A

Monitor

B

Printer

C

Keyboard

D

Mouse

E

None of these

Correct Answer: C

QWERTY is a keyboard design for Latin-script alphabets. The name comes from the order of the first six keys on the top left letter row of the keyboard (Q W E R T Y). The QWERTY design is based on a layout created for the Sholes and Glidden typewriter and sold to Remington in 1873.

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