WAEC Data Processing 2016 Theory question 102

Theory question 102

Information Processing

Paper 2, Section A: Essay
(a) Define Information Processing.
(b) State four steps involved in information processing.
(c) Mention three advantages of using computers for information processing.
(d) Highlight three disadvantages of using computers for information processing.

Show the model answer
Model answer

(a) Information processing is the acquiring, organising, analysing, storing, retrieving and presenting of information, usually by computer.
(b) Any four: collection (gathering) of information; collation/organisation; analysis; interpretation; storage; retrieval; dissemination (presentation).
(c) Any three: high speed; accuracy; large storage; easy retrieval; reliability; automation; easy sharing of information.
(d) Any three: high cost of buying and maintaining computers; job losses; need for trained staff; risk of viruses and hacking; power dependence; health problems such as eye strain.

Explanation

Use one clear word or phrase for each step or point.