WAEC Data Processing 2022 Theory question 101

Theory question 101

Computer Networks

Paper 2, Section A: Short-structured questions
(a) Define information transmission. (b) Differentiate between: (i) internet and intranet; (ii) LAN and WAN. (c) List four devices used in a LAN environment.

Show the model answer
Model answer

(a) Information transmission is sending information from one person or place to another through a communication medium.
(b)(i) The internet is a worldwide public network of networks open to everyone; an intranet is a private network inside one organisation, used only by its members.
(ii) A LAN covers a small area (a room, building or school); a WAN covers a large area such as countries or the whole world.
(c) Any four: network interface card; hub; switch; router; cables; wireless access point; repeater; bridge; server.

Explanation

Make each difference a direct contrast.