Cambridge Notes
AS & A Level
Subject 9618
Topic 4.4.1

Subject 9618 4.4.1 Notes — AS & A Level

Cambridge AS & A Level Subject 9618 (9618) revision notes — topic 4.4.1. Syllabus-aligned key concepts for CAIE exam preparation.

1. Information representation

1.1 Data Representation
1.2 Multimedia
1.3 Compression

2. Communication

2.1 Networks including the internet

3. Hardware

3.1 Computers and their components
3.2 Logic Gates and Logic Circuits

4. Processor Fundamentals

4.1 Central Processing Unit CPU Architecture
4.2 Assembly Language
4.3 Bit manipulation

5. System Software

5.1 Operating Systems
5.2 Language Translators

6. Security, privacy and data integrity

6.1 Data Security
6.2 Data Integrity

7. Ethics and Ownership

7.1 Ethics and Ownership

8. Databases

8.1 Database Concepts
8.2 Database Management Systems (DBMS)
8.3 Data Definition Language (DDL) and Data Manipulation Language (DML)

9. Algorithm Design and Problem-solving

9.1 Computational Thinking Skills
9.2 Algorithms

10. Data Types and Structures

10.1 Data Types and Records
10.2 Arrays
10.3 Files
10.4 Introduction to Abstract Data Types (ADT)

11. Programming

11.1 Programming Basics
11.2 Constructs
11.3 Structured Programming

12. Software Development

12.1 Program Development Life cycle
12.2 Program Design
12.3 Program Testing and Maintenance

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