Data Processing questions and answers

Data Processing Questions and Answers

Data Processing questions to test candidates’ acquisition of basic skills of data processing and knowledge in the application of ICT in facilitating business transactions and education.

56.

One application of ICT in education is

A.

Optical Mark Reader

B.

Electronic Fund Transfer

C.

Automated Teller Machine

D.

Magnetic Ink Character Recognition

Correct answer is A

Optical Mark reading (OMR) is a method of entering data into a computer system. Optical Mark Readers reads pencil or pen marks made in pre-defined positions on paper forms as responses to questions or tick list prompts.

 

57.

A file organization method that has reference which identifies a record in relation to other records is called

A.

Sequential file organization

B.

Serial file organization

C.

Indexed file organization

D.

Random file organization

Correct answer is C

An indexed file organization contains reference numbers, like employee numbers, that identify a record in relation to other records. These references are called the primary keys that are unique to a particular record.

 

58.

One quality of a computer programmer

A.

Ability to teach

B.

Friendliness

C.

Punctuality to work

D.

Excellent analytical thinking

Correct answer is D

Qualities of a computer programmer
- has passion for computers
- has desire for efficiency
- love to learn new technologies
- is a problem solver
- has excellent analytical thinking

59.

At what stage in data processing does data manipulation take place?

A.

Organization

B.

Collation

C.

Analysis

D.

Interpretation

Correct answer is A

Data are manipulated at Organization stage.

60.

The concept of stored program for electronic devices was introduced by

A.

Tim Berners Lee

B.

Ada Augusta Lovelace

C.

Charles Babbage Lee

D.

John Von Neumann

Correct answer is D

The idea was introduced in the late 1940s by John von Neumann, who proposed that a program be electronically stored in binary-number format in a memory device so that instructions could be modified by the computer as determined by intermediate computational results.