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OCR GCSE Computer Science J277 List

The purpose & components of the CPU

3

Fetch-Decode-Execute Cycle

38

Von Neumann Architecture

3g

Registers

3o

Factors Affecting CPU Performance

3q

Embedded Systems

4

Primary Storage (Main Memory)

4g

Secondary Storage

4o

Storage Technologies

5

Characteristics of Storage Devices

54

Volatile vs Non-Volatile Memory and Flash Memory

58

Types of Networks

5g

Network Topologies

5i

Network Architectures

5k

Factors Affecting Performance

5m

Wired and Wireless Networks

5o

Network Hardware

5og

The Internet, IP, and DNS

5p

Protocols and Layers

5pg

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