Name: My Revision Notes: WJEC and Eduqas GCSE Computer Science
Price: 17.99 USD
ISBN: 9781510455054

Hodder Education

Robert Wicks, Ian Paget

My Revision Notes: WJEC and Eduqas GCSE Computer Science

US$ 17.99

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Description

Contents

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Exam board: WJEC
Level: GCSE
Subject: Computer Science
First teaching: September 2017
First exams: Summer 2019

Strengthen your students' understanding and upgrade their confidence with My Revision Notes: WJEC Eduqas GCSE (9-1) Computer Science.

Written by leading Computer Science experts this is the only revision guide aimed specifically at helping students prepare for the WJEC or Eduqas exam - a new title in the top-selling revision guide series, loved by students and recommended by teachers.

· Let students take control of their revision - plan and focus on the areas where they need to improve their knowledge and understanding with advice and summaries from the experts.
· Help them achieve their potential - exam tips on computer science terms and concepts highlighted throughout the book
· Improve their exam skills - a range of exam practice questions and 'test yourself questions' with answers at the back of the book.

Language

English

ISBN

9781510455054

Cover

Title Page

Get the most from this book

My revision planner

Introduction

Using this book

How to revise

Examination technique

Finally…

Unit 1

1 Hardware

The Von Neumann model

Central processing unit

The fetch-decode-execute cycle

Factors affecting processor performance

Input and output

Data capacity and storage requirements

2 Logical Operations

Logical operators

Truth tables

Boolean logic

Simplifying Boolean expressions using Boolean identities and rules

3 Communication

Networks

Servers

Wired and wireless networks

Network hardware

Protocols

Layers

Routing

IP addresses

4 Organisation and structure of data

Representation of numbers

Arithmetic shift functions

Overflow

Adding binary numbers

Representation of graphics and sound

Metadata

Storage of characters

Data types

Data structures

Data validation and verification

Algorithms

5 System Software

The operating system

Utility software

6 Principles of programming

Computer languages

7 Software engineering

8 Program construction

Assembler

Compiler

Interpreter

The process of compilation

Programming errors

9 Security and data management

Data Security

Data management

Compression

Network security

Policies

Cybersecurity

Protecting software during production

Internet cookies

10 Ethical, legal and environmental impacts

Computer crime

E-commerce

Social Impact of digital technology

Standards

Legislation

Environmental issues

Worked examples

Unit 2

1 Problem solving

Decomposition

Abstraction

2 Algorithms and programming constructs

Algorithms

Flowcharts

Pseudocode

Programming constructs

Sequence, selection, repetition

Counting

Object-orientated programs

Input, processing and output

Variables

Identifiers

String handling

Mathematical operations

Logical operations

Sorting

Searching

Testing and evaluation

3 Programming languages

Hypertext Markup Language (HTML)

Assembly language

Object-oriented programming

4 Data structures and data types

Variables and constants

5 Security and authentication

Security techniques

Validation algorithms

Glossary of programming terms

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