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

SelectionFile type iconFile nameDescriptionSizeRevisionTimeUser