GCSE Computer Science OCR Complete Revision & Practice

• Publisher: Coordination Group Publications Ltd (CGP)
• Year: 2017
• Tongue: English
• Leaves: 164
• Category: Library

✦ Synopsis

Achieve the best grades in 2021 with this all-in-one book from CGP – the GCSE experts!

This CGP Complete Revision & Practice book is an excellent all-in-one guide to Grade 9-1 GCSE OCR Computer Science. Everything’s explained in CGP’s clear, friendly style, and there are plenty of warm-up questions and exam-style questions (with answers) to test students’ understanding of each topic. What’s more the book is rounded off with a set of practice papers - perfect preparation for the real thing. And finally, we’ve included a free Online Edition of the whole book - just use the code printed inside the cover to access it on a PC, Mac or tablet.

✦ Table of Contents

Contents
Contents i
Contents ii
Section One — Components of a Computer System
Computer Systems
The CPU
The CPU
Warm-Up and Worked Exam Questions
Exam Questions
Memory
CPU and System Performance
Secondary Storage
Secondary Storage
Warm-Up and Worked Exam Questions
Exam Questions
Systems Software — The OS
Systems Software — The OS
Systems Software — The OS
Systems Software — Utilities
Open Source and Proprietary Software
Warm-Up and Worked Exam Questions
Exam Questions
Revision Questions for Section One
Section Two — Networks
Networks — LANs and WANs
Networks — Hardware
Wireless Networks
Client-server and Peer-to-Peer Networks
Network Topologies
Warm-Up and Worked Exam Questions
Exam Questions
Network Protocols
Network Protocols
Network Protocols
Networks — The Internet
Network Security Threats
Network Security Threats
Network Security Threats
Warm-Up and Worked Exam Questions
Exam Questions
Exam Questions
Revision Questions for Section Two
Section Three — Issues
Ethical and Cultural Issues
Ethical and Cultural Issues
Ethical and Cultural Issues
Ethical and Cultural Issues
Ethical and Cultural Issues
Warm-Up and Worked Exam Questions
Exam Questions
Environmental Issues
Computer Legislation
Computer Legislation
Warm-Up and Worked Exam Questions
Exam Questions
Revision Questions for Section Three
Section Four — Algorithms
Computational Thinking
Writing Algorithms — Pseudocode
Writing Algorithms — Flow Diagrams
Warm-Up and Worked Exam Questions
Exam Questions
Search Algorithms
Sorting Algorithms
Sorting Algorithms
Sorting Algorithms
Warm-Up and Worked Exam Questions
Exam Questions
Revision Questions for Section Four
Section Five — Programming
Programming Basics — Data Types
Programming Basics — Casting and Operators
Programming Basics — Operators
Constants and Variables
Strings
Warm-Up and Worked Exam Questions
Exam Questions
Program Flow
Program Flow
Program Flow
Boolean Operators
Warm-Up and Worked Exam Questions
Exam Questions
Arrays
Arrays
File Handling
Storing Data
Searching Data
Sub Programs
Sub Programs
Warm-Up and Worked Exam Questions
Exam Questions
Exam Questions
Revision Questions for Section Five
Section Six — Design, Testing and IDEs
Defensive Design
Defensive Design
Defensive Design
Testing
Testing
Translators
Integrated Development Environments
Warm-Up and Worked Exam Questions
Exam Questions
Exam Questions
Revision Questions for Section Six
Section Seven — Data Representation
Logic
Logic
Units
Warm-Up and Worked Exam Questions
Exam Questions
Binary Numbers
Binary Numbers
Binary Numbers
Hexadecimal Numbers
Hexadecimal Numbers
Warm-Up and Worked Exam Questions
Exam Questions
Characters
Storing Images
Storing Sound
Compression
Warm-Up and Worked Exam Questions
Exam Questions
Revision Questions for Section Seven
Practice Papers
Practice Paper 1
Practice Paper 2
Answers
Section One —Components of a Computer System
Section Two — Networks
Section Three — Issues
Section Four — Algorithms
Section Five — Programming
Section Six — Design, Testing and IDEs
Section Seven — Data Representation
Practice Paper 1 — Computer Systems
Practice Paper 2 — Computational Thinking, Algorithms and Programming
Glossary and Index
A-C
Co-H
Ho-N
No-S
Se-W