Computer Science questions and answers

Computer Science Questions and Answers

Challenge your competence level in computers, computing, algorithms, hardware and software with these Computer science questions and answers.

191.

Computer software can be classified into how many parts?

A.

3

B.

5

C.

2

D.

4

Correct answer is C

Computer software can be classified into two parts. These are : the system softwares and the application softwares

192.

The memory unit receives data and information from which unit?

A.

input unit

B.

output unit

C.

control unit

D.

arithmetic and logic unit

Correct answer is D

From the chart or table of data flow, the data moves from the input unit to the control unit where it is determined if it needs a logical or arithmetic function. From the control unit, it is passed on to the arithmetic and logical unit, where it is then processed before being transferred to the memory unit, to be stored till when needed

193.

The Domain name of a website is also its__________

A.

IP address

B.

TCP address

C.

Database system

D.

Network server

Correct answer is A

IP address. Usually, a domain name is used instead of an IP address, because the domain name is easier to work with, and is more human friendly that the IP address. Also, every domain is unique and has its IP address. Therefore, Domain names are used by computer uses, because the IP address is more complex to work with

194.

The most basic network is _________

A.

WAN

B.

SAN

C.

PAN

D.

MAN

Correct answer is C

Personal area network is the most basic network, because it is usually made up of one wireless modem, a computer or two mini computers and other computer accessories, and it revokes around one person in one building

195.

The arrow displayed on the screen of a computer is called

A.

Pointer

B.

Arrow

C.

Cursor

D.

Indicator

Correct answer is C

The cursor is displayed on the monitor screen to help with navigation