The Characteristics of Contemporary Processors, Input, Output & Storage Devices

Structure & Function of the Processor

Components of the CPU

Fetch-Decode-Execute Cycle

CPU Performance

Pipelining

Von Neumann & Harvard Architecture

Types of Processor

CISC vs RISC

Graphics Processing Unit (GPU)

Multicore & Parallel Processors

Input, Output & Storage

Input, Output & Storage

RAM & ROM

Software & Software Development

Systems Software

Operating Systems

Memory Management

System Interrupts

Scheduling

Types of Operating System

BIOS

Device Drivers

Virtual Machines

Applications Generation

Application Software

Utility Software

Open Source & Closed Source Software

Translators

Stages of Compilation

Libraries, Linkers & Loaders

Software Development

Waterfall Lifecycle

Agile Programming

Spiral Model

Rapid Application Development (RAD)

Comparing Software Development Models

Types of Programming Language

Programming Paradigms

Procedural Programming

Assembly Language & Little Man Computer

Modes of Addressing

Exchanging Data

Compression, Encryption & Hashing

Lossy & Lossless Compression

Run Length Encoding & Dictionary Coding

Symmetric & Asymmetric Encryption

Databases

Relational Databases

Entity Relationship Diagrams

Capturing, Selecting, Managing & Exchanging Data

Networks

Networks

TCP/IP

Domain Name System (DNS)

LAN & WAN

Packet & Circuit Switching

Network Security & Threats

Network Hardware

Client Server & Peer to Peer

Web Technologies

HTML

CSS

CSS: Styling

JavaScript

Variables & Constants in JavaScript

Outputs in JavaScript

Selection in JavaScript

For Loops in JavaScript

While Loops in JavaScript

Strings in JavaScript

Operators in JavaScript

Nested Statements in JavaScript

Functions & Procedures in JavaScript

Data Types, Data Structures & Algorithms

Data Types

Primitive Data Types

Positive Binary Numbers

Negative Binary Numbers

Binary Addition & Subtraction

Hexadecimal Numbers

Floating Point Binary Numbers

Floating Point Addition & Subtraction

Character Sets

Data Structures

Arrays

Records, Lists & Tuples

Stacks

Queues

Boolean Algebra

Boolean Logic

Legal, Moral, Cultural & Ethical Issues

Computing Related Legislation

The Data Protection Act 1998

The Computer Misuse Act 1990

The Copyright Design & Patents Act 1988

The Regulation of Investigatory Powers Act 2000

Moral & Ethical Issues

Computers in the Workforce

Automated Decision Making

Artificial Intelligence

Environmental Effects

Censorship & The Internet

Monitoring Behaviour

Analysing Personal Information

Piracy & Offensive Communications

Layout, Colour Paradigms & Character Sets

Elements of Computational Thinking

Thinking Abstractly

The Nature of Abstraction

Abstraction & Reality in Computational Thinking

Abstract Models in Computational Thinking

Thinking Ahead

Computational Thinking: Thinking Ahead

Thinking Procedurally

Components of a Problem in Computational Thinking

Order of Steps in Problem Solving

Sub-Procedures

Thinking Logically

Decisions in Computational Thinking

Logical Conditions in Computational Thinking

Thinking Concurrently

Concurrency in Problem Solving

Concurrent Processing

Problem Solving & Programming

Programming Techniques

Data Types

Arithmetic, Logical & Boolean Operators

Programming Constructs

Selection

Iteration

Modularity, Functions & Procedures

Parameter Passing

Global & Local Variables

Integrated Development Environment (IDE)

Algorithms

Standard Algorithms & Big O Notation

Suitability of Algorithms

Big O Notation

Binary Search

Linear Search

Bubble Sort

Insertion Sort

Merge Sort

Quick Sort

Exam boards

• Cambridge (CIE) AS Computer Science

Study tools

• OCR AS Computer Science · Past Papers

Related links

• AS Computer Science · Revision Notes
• AS Computer Science · Exam Questions
• AS Computer Science · Past Papers
• OCR AS Computer Science · Exam specification