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System and application software

JAMB Computer Studies Revision Notes

All Computer Studies topics
  1. Computer Fundamentals
    1. History and evolution of computing
    2. Classification and uses of computers
    3. Data, information and data processing
    4. The computer system: input, processing and output
    5. Memory and storage
    6. Maintenance, safety and troubleshooting
  2. Software and Operating Systems
    1. System and application software
    2. Operating systems and file management
  3. Data Representation and Logic
    1. Number systems and base conversion
    2. Binary arithmetic and data representation
    3. Logic gates and truth tables
  4. Algorithms and Programming
    1. Algorithms, pseudocode and flowcharts
    2. Programming languages and translators
    3. Variables, data types and operators
    4. Selection and iteration
    5. Functions, arrays and modular programming
    6. Debugging, testing and dry runs
    7. Software development life cycle
  5. Application Packages
    1. Word processing
    2. Spreadsheet fundamentals
    3. Spreadsheet functions and charts
    4. Presentation, graphics and multimedia
  6. Databases and Data Analysis
    1. Database concepts
    2. Queries and relational databases
    3. Data collection and analysis
  7. Networks and the Internet
    1. Computer networks
    2. Internet protocols and addressing
    3. The internet, the web and online services
    4. Web design and publishing
  8. Security, Ethics and Society
    1. Digital citizenship and safe communication
    2. Cybersecurity threats and protection
    3. Authentication and privacy
    4. Computer ethics, law and health
    5. ICT careers and entrepreneurship

GRO Academy notes Checked by imtiaz ahmed 2 min read Updated October 19, 2026

The two main kinds of software, what each is for, examples of each, the difference between off-the-shelf and bespoke programs, and software licences.

In these notes
  1. What software is
  2. System software
  3. Application software
  4. Off-the-shelf and bespoke software
  5. Software licensing

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