Senior Secondary 2 | Computer Science

Action steps

1. Discuss Various Internet services like e-commerce, email; file transfer protocol (FTP), Bulletin Board Service, Audio-Video Communication, Digital Library, World Wide Web, Telnet and other services

2. Explain the concept of cyber-café

3. Discuss the steps involved in cybercafé operations

4. List the personnel requirements of a cybercafé (e.g. server/network administrator, etc.)

5. Identify security devices in a cybercafé

Action steps

1. List and explain the basic hardware required for internet connectivity

2. Discuss what a modem is and its functions

3. Explain the data transfer rate of various modems

4. Explain the concepts of wireless transmission and bandwidth

5. Discuss various wireless transmission media: VSAT, radio etc.

6. Discuss obstacles to effective transmission

7. Discuss the steps required to connect a personal computer to the internet

8. Explain what is meant by the term network protocol

9. Give examples of network protocols

10. State advantages of TCP/IP for internet connectivity

Action steps

1. Discuss problems of telecommunication infrastructure in Nigeria

2. Explain what is meant by the term technical know-how

3. List the economic factors that influence the poverty level of the people in Nigeria

4. Describe the level of awareness among people of these economic factors

5. List the government policies on internet access

6. Explain the concept of internet service provider (ISP) and the need for it

7. Explain the economic effect of using local or foreign ISPs

8. Explain the concept of domain name system (DNS) and its space

9. Explain how to name servers in the DNS

Action steps

1. Explain the difference between systems software, program generators and application packages

2. Identify the modes of application package acquisition

3. State the criteria for application package acceptability

Action steps

1. Explain the meaning of a word processor

2. State the advantages and use of word processors

3. Explain the features of the main, help and other menus in a word processor

4. Identify functions of word processors in other professional packages like in desk top pub-lishing application (i.e., Corel Draw, PageMaker, etc.)

5. Explain the use of document and non-document text processing functions, including mail merging

6. Explain the import of graphics and the creation of drawing objects in word processors

7. Explain sharing of data with other users using word processors

Action steps

1. List the types of existing spreadsheet software

2. Introduce spreadsheet software concepts

3. Explain the use of spreadsheet software in a forecasting project, financial analysis, pro-duction scheduling and control, and other forms of data modeling

4. Explain how to apply general statistical functions using cell references in a spreadsheet

5. Explain how to apply specific accounting functions using spreadsheets and highlight data security requirements when using spreadsheets

6. Explain formatting worksheets and working with formulas in a spreadsheet

7. Explain the transfer of information and graphics between spreadsheet applications

Action steps

1. Explain the functions of a presentation package using PowerPoint software

2. Explain the types of presentations

3. Create presentations on strategies, sales promotion, training, marketing plan, and company meetings using the PowerPoint auto content wizard and templates

4. Use PowerPoint slides to illustrate different presentation views

Action steps

1. Give an overview of educational, medical and other packages

Action steps

1. Explain what is meant by the term computer system and its basic features

2. Distinguish between manual and automated systems

3. List examples of manual and automated systems

Action steps

1. Explain the logical stages of developing computer systems

2. Describe the investigation, analysis, design, programming, implementation, evaluation and maintenance of computer systems

3. Explain the development, planning, and control and coordination processes of computer systems

Action steps

1. Explain what is meant by the term feasibility study

2. Explain the major factors to be considered in a feasibility study

3. Determine the objectives of the user of a feasibility study

Action steps

1. Describe the main features of a feasibility study report

2. Explain the concept of data flow

3. Construct a data flow diagram

4. Write an analysis specification

Action steps

1. Explain what is meant by the term fact finding

2. Describe fact finding techniques

3. Select a computer system for development

Action steps

1. Explain what is meant by the term design system specification

2. List the tools used to design system specifications

3. Explain what is meant by the term program specification

4. Explain how to construct a program specification

5. Document an existing program specification (input, output, processing, access mode, etc.)

Action steps

1. Explain the concept of a database

2. Document the similarities and differences between conventional files and database files

3. Describe the goals and pre-requisites for an effective database design

4. Document the design and structure of a simple database file

Action steps

1. Explain what is meant by input to a system

2. Describe methods used for data capture and input

3. Describe current trends in automatic data capture and input

4. Provide examples of data collection technology

5. Explain what is meant by the term prototyping data input and output design

6. Develop a prototype of data input and output design