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.

21.

Which of the following allows devices on one network to communicate with devices on another network ?

A.

T-switch

B.

gateway

C.

modem

D.

multiplexer

Correct answer is B

A computer that sits between different networks or applications. The gateway converts information, data or other communications from one protocol or format to another

22.

Large computers are classified as

A.

desktops

B.

micro computers

C.

mini computers

D.

mainframe computers

Correct answer is D

mainframe computers are large and powerful computers that handle the processing for many users simultaneously

23.

What generation of computer is characterized by the use of vacuum tubes for circuitry and magnetic drums for main memory?

A.

second generation

B.

fourth generation

C.

first generation

D.

third generation

Correct answer is C

The first generation computer systems used vacuum tubes for circuitry and magnetic drums for main memory, and they were often enormous, taking up entire rooms

24.

In technical feasibility, the priority is ?

A.

whether the probolem can be solved in the user's environment

B.

if the likely benefits outweight the cost of solving the problem

C.

whether the problem can be solved using existing technology and resources available

D.

whether the problem can be solved without causing any social issues

Correct answer is C

In technical feasibility, the priority is to check whether the problem can be solved using existing technology and resources available

25.

Which of these application packages can be used to create a spreadsheet ?

A.

Microsoft powerpoint

B.

Microsoft excel

C.

Macwrite

D.

Microsoft word

Correct answer is B

Microsoft Excel is an application package that is specifically designed for creating spreadsheets. It provides features for creating, editing, and managing data in a tabular format