Form 4


10.1.0 Specific Objectives

10.2.1 Definition of terms

i) computer network

ii) data communication

10. 2.2 Purpose and Limitations of networking

  • Purpose

i) resource sharing

ii) remote communication

iii) distributed processing facilities

iv) cost effectiveness

v) reliability

  • Limitations

10.2.3 Elements of Networking

a) Data communication media

  • Communication with cables

i) twisted pair cables

ii) coaxial cables

iii) fiber-optic cables

  • Communication without cables (wireless)

i) microwave

ii) satellite

iii) radio transmission

b) Data Signal

  • Digital
  • Analog

c) Communication Devices e.g.

  • Modems
  • Network cards
  • Hubs

d) Network software

  • Operating systems
  • Protocols

10.2.4 Types of Networks

  • Local Area Network(LAN)
  • Metropolitan Area Network(MAN)
  • Wide Area Network( WAN)

10.2.5 Types of Network topologies e.g.

  • Star
  • Bus
  • Ring

10.1.0 Specific Objectives

By the end of the topic, the learner should be able to:
a) define computer networking terms
b) state the purpose of computer networks
c) describe the elements of a network
d) describe various types of networks
e) describe various types of network topologies.


11.1.0 Specific Objectives

11.2.1 Application Areas of Information and Communication Technology

  • Financial Systems

i) accounting

ii) banking

iii) payroll

  • Retail Systems

i) point of sale systems

ii) stock control

  • Reservations Systems

i) hotels

ii) air-lines

  • Communication Systems

i) fax and telex

ii) radio

iii) television

iv) video conferencing

v) e-mail

vi) telecommuting

vii) internet

  • Education

i) Computer Aided Learning(CAL)

ii) e-learning

iii) computer based simulation

  • Industrial systems

i) simulation

ii) process control

iii) CAD (Computer Aided Design)/CAM (Computer Aided Manufacture)

  • Scientific and Research Systems

i) weather forecasting

ii) medical research

iii) military/space exploration

  • Transportation Systems

i) air-traffic control

ii) shipping control

iii) automobile traffic control

  • Entertainment Systems

i) computers and movies

ii) multi- media

  • Virtual reality

i) uses of virtual reality

ii) visor

  • Library Systems

i) Library lending system

  • Home use
  • Health

i) Expert systems

  • Offices Expert systems
  • Marketing

i) e-commerce

ii) business

11.2.2 Fieldwork Report
11.1.0 Specific Objectives
By the end of the topic, the learner should be able to:
a) describe the use of computers in different application areas
b) write a report on the use of a computer in any one of the computer application areas visited by students.


12.1.0 Specific Objectives

12.2.1 Issues resulting from use of ICT

a) Effects of employment

  • job creation
  • job replacement
  • job displacement

b) Automated production

  • pros & cons

c) Issues of workers health

d) Breakthroughs

  • health care
  • education
  • communication
  • research
  • commerce
  • arts
  • entertainment
  • transport

e) Cultural effects

  • computer crimes
  • moral effects

12.1.2 Evolution of computer systems

  • possible future trends in capabilities, physical size, price, software etc
  • Artificial intelligence

i) expert systems

ii) natural language processing

iii) artificial neural networks

iv) robotics

12.1.0 Specific Objectives

By the end of the topic, the learner should be able to:
a) identify issues resulting from the use of ICT
b) discuss future trends in ICT.


13.1.0 Specific Objectives

13.2.1 Description of careers in the field of ICT e.g.

i) Computer Operators

ii) Programmers

iii) Software Engineers

iv) Database Administrators

v) System Administrators

vi) Computer Technicians

vii) Computer Engineers

viii) Information Systems Managers

ix) Computer Trainers

x) Web Designers

xi) Web Administrators

xii) Systems Analysts

13.2.2 Identification of further Educational Opportunities

i) Colleges

ii) Institutions

iii) Polytechnics

iv) Universities

v) Research Institutions

13.1.0 Specific Objectives

By the end of the topic, the learner should be able to:
a) describe career opportunities in ICT
b) identif available opportunities for further education

14.0.0 PROJECT

14.1.0 Specific Objectives

By the end of the Project, the learner should be able to:

a) identify and define a problem

b) carry out fact finding through either or all of these methods

i) investigation

ii) observation

iii) interviews

iv) questionnaires

c) define system hardware and software requirements

d) design a system

e) construct a system that would:

i) input data through forms or screen

ii) update: modification, deletion of existing data

iii) carry out data validation

iv) searchlight/query/retrieve records

v) generate/print reports

f) test the system

g) prepare a project report

h) Documentation that includes:

i) reports on fact finding

ii) system flowchart/flow diagram

iii) table/file structure descriptions

iv) sample input and test data

v) output reports

vi) user manual