GCSE Computer Science Revision

CPU Architecture

CPU Performance

Embedded Systems

Memory & Storage

Data Representation

Networks

System Security

Systems Software

Extended Discussion

Primary Storage

Secondary Storage

Data Units and Capacity

Storage Devices

Types of storage and characteristics

RAM, ROM, and their uses

RAM and ROM

Number Bases

Characters

Images

Sound

Compression

Binary Arithmetic

Character Encoding

Binary calculations and shifts

Binary numbers

Text representation (ASCII)

Character sets

Network Types

Network Performance Factors

Network Models

Network Hardware

Internet and Network Services

Network Topologies

Wired and Wireless Connections

Addressing and Standards

Network Protocols

Protocol Layers

Cloud storage

Threats and Attacks

Preventing Vulnerabilities

Operating Systems

Utility Software

Impacts of Digital Technology

Legislation

Software Licensing

Computational Thinking

Algorithm Design and Representation

Searching Algorithms

Sorting Algorithms

Flowcharts

Core Programming Concepts

Operators

Control Flow

Data Types

Additional Programming Techniques

Defensive Design

Testing and Refinement

Logic Gates

Truth Tables

Logic Diagrams

Programming Language Levels

Translators

Integrated Development Environments

Characteristics and Examples

Advantages and Disadvantages

Technological Advancements

The purpose of the CPU and components of the CPU

Threats and Prevention

Technology in Society

Technology and the environment

WAN and cloud advantages/disadvantages

Programming constructs

Error types

String manipulation

High-level and low-level languages

Robust and secure programming

Subprograms and algorithms

Testing and evaluation

Errors

Maintainability and functions

Subprograms (functions and procedures)

Abstraction and decomposition