Computer knowledge questions - General Knowledge

1) Which of the following is an input device?

A. Mouse
B. Keyboard
C. Scanner
D. All the above

Answer : D.

2) The set of instructions that tells the computer what to do is

A. Softcopy
B. Software
C. Hardware
D. Hardcopy
Answer : B.

3) Which of the following stores more data?

A. DVD
B. CD ROM
C. Floppy Disk
D. CD RW
Answer : A.

4) ---- is the heart of the computer and this is where all the computing is done.

A. Keyboard
B. Monitor
C. Central Processing Unit
D. Printer
Answer : C.

5) One byte is equival to

A. 8 bit
B. 16 bit
C. 32 bit
D. 64 bit
Answer : A.

6) To move forward through the tabs

A. CTRL+TAB
B. CTRL+SHIFT+TAB
C. SHIFT+TAB
D. None of these
Answer : A.

7) Personal computers can be connected together to form a

A. server
B. network
C. supercomputer
D. enterprise
Answer : B.

8) Choose the smallest memory size

A. kilobyte
B. megabyte
C. gigabyte
D. terabyte
Answer : A.

9) The steps and tasks needed to process data, such as responses to questions or clicking an icon, are called:

A. instructions
B. operating system
C. application software
D. system unit
Answer : A.

10) The operating system is the most common type of ____________ software.

A. system
B. communication
C. application
D. word-processing
Answer : A.
11) The ability to recover and read deleted or damaged files from a criminals computer is an example of a law enforcement specialty called:

A. simulation
B. animation
C. robotics
D. computer forensics.
Answer : D.

12) The base of the hexadecimal number system is

A. 2
B. 8
C. 10
D. 16
Answer : D.

13) Computer software includes

A. Packaged programs
B. Application programs
C. Operating system programs
D. All of these
Answer : D.

14) The Operating System Manages

A. Processes
B. Memory
C. Disks and I/O devices
D. All of the above
Answer : D.

15) Allocation of a resources in a time dependent manner to several program simultaneously called

A. multi user
B. multi tasking
C. time sharing
D. None of these.
Answer : C.

16) Data that are accumulated and processed in group called

A. Group processing
B. Batch Processing
C. Time sharing
D. None of these.
Answer : B.

17) Multiprocessing supports more then one_____ at the same time

A. User
B. Process
C. Hardware
D. None of these.
Answer : B.

18) Which of the following are true about firewalls?

A. Follows a set of rules
B. Can be either a hardware or software device
C. Filters network traffic
D. All the above
Answer : D.

19) What are the four things needed to connect to the Internet?

A. Monitor, keyboard, mouse, modem
B. Telephone line, PDA, modem and computer
C. Telephone line, modem, computer, and an ISP
D. Modem, computer, PDA and ISP
Answer : C.

20) 1024 bytes equals:

A. 1 KB
B. 1 MB
C. 1 GB
D. 1 TB
Answer : A.