Revision Notes
Exam code: 221093 notes across 10 sections, ordered as the specification runs.
1. Data Representation
Number Systems9
Text, Sound & Images3
Data Storage & Compression3
2. Data Transmission
Types & Methods of Data Transmission4
Methods of Error Detection4
Encryption1
3. Hardware
Computer Architecture6
Input & Output Devices3
Data Storage4
Network Hardware3
4. Software
Types of Software & Interrupts4
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5. The Internet & its Uses
The Internet & the World Wide Web5
Digital Currency1
Cyber Security2
6. Automated & Emerging Technologies
Automated Systems1
Robotics1
Artificial Intelligence1
7. Algorithm Design & Problem-Solving
Development Life Cycle1
Computer Sub-Systems2
Algorithms2
Standard Methods of a Solution2
Validation & Verification3
Identifying Errors2
8. Programming
Programming Concepts13
Arrays1
File Handling1
9. Databases
Databases2
SQL1
10. Boolean Logic
Boolean Logic4