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.

66.

The process of finding and correcting errors in the program code is called ?

A.

testing

B.

Debugging

C.

Editing

D.

coding

Correct answer is B

Debugging is the process of finding and correcting errors in the program code. It involves identifying, isolating, and fixing the problems or bugs in computer program code. The other options do not accurately describe this process. Editing is the process of making changes to the code, but it does not necessarily involve finding and correcting errors. Coding is the process of writing the code, and testing is the process of checking the code to see if it works as expected

67.

Which of the following is not an example of graphics packages

A.

Freelance

B.

Quattro pro

C.

Corel draw

D.

Havard graphics

Correct answer is B

Quattro Pro is not a graphics package. It is a spreadsheet program developed by Borland and now managed by Corel. It provides tools for data management and analysis. Havard Graphics, Freelance, and Corel Draw are examples of graphics packages. They provide tools for creating and editing images, drawings, and illustrations

68.

The first step in a CPU instruction cycle is

A.

Decode

B.

Get

C.

Fetch

D.

Execute

Correct answer is C

Fetch is the first step of CPU instruction cycle also called fetch-and-execute cycle, fetch-decode-execute cycle, or FDX

69.

The following are the methods of file security except

A.

hacking

B.

use of password

C.

Use of back up

D.

Use of Anti-virus

Correct answer is A

The methods of file security are
- Use of back-ups
- Use of anti-virus
- Password
- Proper label of storage devices

70.

What protocol is used between Email servers?

A.

SMTP

B.

SNMP

C.

FTP

D.

POP

Correct answer is A

The Simple Mail Transfer Protocol is an internet standard communication protocol for electronic mail transmission