Cambridge IGCSE · 0478

Computer Science • Notes

1. Data Representation

• Number Systems
• Text, Sound & Images
• Data Storage & Compression

2. Data Transmission

• Types & Methods of Transmission
• Error Detection
• Encryption

3. Hardware

• Computer Architecture
• Input & Output Devices
• Sensors
• Data Storage
• Network Hardware

4. Software

• Operating Systems & Interrupts
• Languages, Translators & IDEs

5. The Internet and its Uses

• Internet, WWW & Digital Currency
• Cyber Security

6. Automated and Emerging Technologies

• Automated Systems
• Robotics
• Artificial Intelligence

7. Algorithm Design and Problem-Solving

• PDLC & System Decomposition
• Validation, Verification & Test Data
• Errors & Flowchart Symbols
• Logic Patterns & Trace Tables

8. Programming

• Data Types & Operators
• Control Structures
• Strings, Subroutines & Arrays
• File Handling & Maintainability

9. Databases

• Database Fundamentals & Terminology
• Data Types in Databases
• Primary Keys
• SQL Commands
• SQL Worked Examples

10. Boolean Logic

• Notes