Basic Computer MCQs

Basic Computer MCQs

Computer Online Quiz for Preparation of FPSC, NTS, KPPSC, PPSC. Computer MCQs Online Quiz, Computer MCQs Quiz, MS Office, MS Excel, MS Word, MCQ on Internet, MCQ Quiz, Quiz of Computer Science, NTS GAT, Computer has become most demand able thing in any work. 

1. Mostly which of the following device is used to carry user files?

Floppy Disk
Hard Disk
RAM
CDROM

... Answer is A)
Floppy Disk

2. Which device is used to backup the data?

Floppy Disk
Tape
Network Drive
All of the above

... Answer is D)
All of the above

3. In order to play and hear sound on a computer, on needs:

A sound card and speaker
Microphone
All of them required
None of them required

... Answer is A)
A sound card and speakers

4. Which of the following are the cheapest memory devices in terms of Cost/Bit?

Semiconductor Memories
Magnetic Disks
Compact Disk
Magetic Tapes

... Answer is C)
Compact Disk

5. Which of the following are the best units of data on an external storage device?

Bits
Bytes
Hertz
Clock Cycles

... Answer is B)
Bytes

6. Which of the following have the fastest access time?

Semiconductor Memories
Magnetic Disks
Magnetic Tapes
Compact Disks

... Answer is A)
Semiconductor Memories

7. Which of the following is a read only memory storage device?

Floppy Disk
CDROM
Hard Disk
None of these

... Answer is B)
CDROM

8. Which of the following is a program language?

Lotus
Pascal
MS-Excel
Netscape

... Answer is B)
Pascal

9. What is a compiler?

A Compiler does a conversion line by line as the program is run
A Compiler converts the whole of a higher level program code into machine code in one step
A Compiler is a general purpose language providing very efficient execution
None of these

... Answer is B)
A Compiler converts the whole of a higher level program code into machine code in one step

10. What is an interpreter?

An interpreter does the conversion line by line as the program is run
An interpreter is the representation of the system being designed
An interpreter is a general purpose language providing very eifficient execution
None of the above

... Answer is B)
An interpreter is the representation of the system being designed

11. When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits?

ANSI
ASCII
EBCDIC Arabia
ISO

... Answer is A)
ANSI

12. A Pixel is_____

A Computer program that draws picture
A Picture stored in secondary memory
The Smallest resolvable part of picture
None of these

... Answer is C)
The Smallest resolvable part of picture

13. Which device is used as the standard pointing device in a Graphical User Environment?

Keyboard
Mouse
Joystick
Track Ball

... Answer is B)
Mouse

14. Which number system is usually followed in a typical 32-bit computer?

2
10
16
32

... Answer is A)
2

15. Which number system is usually followed in a typical 32-bit computer?

Binary
Decimal
Hexadecimal
Octal

... Answer is A)
Binary

16. Which of the following is not an output device?

Scanner
Printer
Flat Screen
Touch Screen

... Answer is D)
Touch Screen

17. Which of the following devices have a limitation that we can only store information to it but cannot erase or modify it?

Floppy Disk
Hard Disk
Tape Drive
CDROM

... Answer is D)
CDROM

18. Which technology is used in Compact disks?

Mechanical
Electrical
Electro Magnetic
Laser

... Answer is D)
Laser

19. Which of the following storage devices can store maximum amount of data?

Floppy Disk
Hard Disk
Compact Disk
Magneto Optic Disk

... Answer is B)
Hard Disk

20. Which of the following is the largest manufacturer of Hard Disk Drives?

IBM
Seagate
Microsoft
3M

... Answer is B)
Seagate