Company computers are usually connected together to share information.

(a) What is the difference between a LAN and a WAN? (b) Draw any four topologies used to connect computers together in networking.

(c) Write short notes on the following:

Intranet

Extranet

(d) Describe the differences of the following computers in terms of speed, cost and size.

Main frame

Supercomputer

Minicomputer

Microcomputer

Computer Software is acquired as Off-The-Shelf or Bespoke.

What is an application program and give one example of such.

Outline at least any three differences between Off-The-Shelf and Bespoke software.

Explain any four factors to consider when buying software.

Windows and MS-DOS are both operating system designed by Microsoft Cooperation. Outline any two advantages of using window over MS-DOS to the end user.

Give four functions of the operating system you may know.

Before the advent of microcomputers, mainframe computers proved useful in the past. Give any five characteristics of mainframe frame computers.

Companies and other business organization massively invested in computer information technology, information systems and telecommunication systems for competitive advantage.

Write notes on the following information systems listed below; (8 Marks)

RAM

Email

Swift Cash EFT

EPOS

Write brief notes on the LAN network system.                                      (

Data security and management is one of the critical factors to consider when setting up the computerized system. Identify any five physical threats which may affect electronic data and provide solutions to such problems identified.

The advent of social media on the internet has brought both positive and negative implication on the user.

What is a social media? Give any example you may know.

Give any two problems associated with social media.

State what ISP stands for and give two examples of such in Zambia.

Name two wireless mobile devices commonly used in homes.

What is simplex transmission mode? Give an example where such is used.

Give four differences between Star network and Bus network topologies.

Give two examples of browser programs you may know.

What are internet protocols? Give any two examples of such.

System integration is a way to go these days in a business environment to earn a profit and remain competitive on the market.

Define a network.

List three factors to consider establishing the network.

Who is the network administrator? Also give two roles he does relating networking.

Give two advantages and one disadvantage of ring topology.

Explain what IP address is?

Tabulate three differences between star topology and Bus topology.

Question

Company computers are usually connected together to share information.

(a) What is the difference between a LAN and a WAN? (b) Draw any four topologies used to connect computers together in networking.

(c) Write short notes on the following:

(d) Describe the differences of the following computers in terms of speed, cost and size.

What is an application program and give one example of such.
Outline at least any three differences between Off-The-Shelf and Bespoke software.

Explain any four factors to consider when buying software.
Windows and MS-DOS are both operating system designed by Microsoft Cooperation. Outline any two advantages of using window over MS-DOS to the end user.
Give four functions of the operating system you may know.
Before the advent of microcomputers, mainframe computers proved useful in the past. Give any five characteristics of mainframe frame computers.

Companies and other business organization massively invested in computer information technology, information systems and telecommunication systems for competitive advantage.

Data security and management is one of the critical factors to consider when setting up the computerized system. Identify any five physical threats which may affect electronic data and provide solutions to such problems identified.
The advent of social media on the internet has brought both positive and negative implication on the user.

System integration is a way to go these days in a business environment to earn a profit and remain competitive on the market.

Define a network.
List three factors to consider establishing the network.
Who is the network administrator? Also give two roles he does relating networking.

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Company computers are usually connected together to share information. (a) What is the difference between a LAN and a WAN? (b) Draw any four topologies used to connect computers together in networking. (c) Write short notes on the following: Intranet Extranet