A2 Unit 4: Architecture, Data, Communication & Applications

Written examination — 2 hours — 20% of A Level

Hardware & Communication

13 subtopics

Data Transmission

3 subtopics

Data Representation & Data Types

9 subtopics

Organisation & Structure of Data

6 subtopics

Databases & Distributed Systems

14 subtopics

The Operating System

13 subtopics

Different Types of Software Systems

9 subtopics

Data Security & Integrity Processes

4 subtopics