A Level WJEC Computer Science - Unit 4 Examination Revision Workbook (with teacher answers). Questions are regarding: 4.1.1 ARCHITECTURE 4.1.2 ASSEMBLY LANGUAGE PROGRAMMING 4.1.3 INPUT / OUTPUT 4.1.4 NETWORKING 4.2.1 COMMUNICATION NETWORKS 4.3.1 REPRESENTATION OF NUMBERS AS BIT PATTERNS 4.4.1 FILE DESIGN 4.4.2 FILE ORGANISATION 4.5.1 DATA VALIDATION AND VERIFICATION 4.5.2 SEARCHING DATA 4.5.3 DATABASE MANAGEMENT SYSTEMS 4.5.4 BIG DATA 4.5.5 DISTRIBUTED SYSTEMS 4.6.1 TYPES OF OPERATING SYSTEMS 4.6.2 INTERRUPTS 4.6.3 MEMORY MANAGEMENT AND BUFFERING 4.6.4 SCHEDULING 4.7.1 SAFETY AND CONTROL RELATED SYSTEMS 4.7.4 EXPERT SYSTEMS 4.7.5 INTERNET AND INTRANET 4.8.1 PROTECTING DATA INTEGRITY 4.8.2 CRYPTOGRAPHY 4.8.3 BIOMETRICS 4.8.4 MALICIOUS SOFTWARE AND MECHANISMS OF ATTACK AND DEFENCE This is a comprehensive e-book to allow teachers to use in class or via home-learning. WJEC past paper questions are collated in a workbook format to be used on devices for easy marking. Can be uploaded to OneDrive for easy use. Full interactive answer sheet provided with links and index for easy access to questions and answers.

This is a must have for all Computer Science A Level teachers. This is an easy to understand Binary Search Trees presentation with video to aid retention and student test sheet with teacher answer sheet. This presentation details the following: Depth First Algorithms Pre-order Traversal In-order traversal Post-order traversal Uses of traversals

A Level WJEC Computer Science - Unit 3 Examination Revision Workbook (with full teacher answers). Questions are regarding: 3.1 DATA STRUCTURES 3.2 LOGICAL OPERATIONS 3.3 ALGORITHMS AND PROGRAMMING 3.4 PRINCIPLES OF PROGRAMMING 3.5 SYSTEMS ANALYSIS 3.6 SYSTEM DESIGN 3.7 SOFTWARE ENGINEERING 3.8 PROGRAM CONSTRUCTION 3.9 ECONOMIC, MORAL, LEGAL, ETHICAL AND CULTURAL ISSUES RELATING TO COMPUTER SCIENCE This is a comprehensive e-book to allow teachers to use in class or via home-learning. WJEC past paper questions are collated in a workbook format to be used on devices for easy marking. Can be uploaded to OneDrive for easy use. Full interactive answer sheet provided with links and index for easy access to questions and answers.

This editable e-class and written class test versions of the Ethical, Legal, Cultural and Environmental Impacts of Digital Technology unit, with teacher answers is aimed at GCSE (OCR) Computer Science. The paper is for a 30 minute test, with 16 marks awarded. A PowerPoint presentation with answers for further discussion in class is also provided, along with a video for students to use for revision and to aid with retention. The test consists of a mixture of past paper questions and answers based on the 2015, 2017, 2018 and sample paper questions and answers: Unit 1.6.1 – Ethical, Legal, Cultural and Environmental Impacts

This resource is for absolute beginners to HTML. It is an easy to read and follow guide for students, in a book format, which needs little work from teachers, except to show students how to load up the software required for editing the code and how to save to their user area. This book can be used to aid in many lessons. The free HTML editor used in this book is Brackets (www.brackets.io) Full teacher codes are supplied and the image used. All codes are tested and ready for use. This book teaches the following: What is HTML Starting a web page Creating background colours Creating text sizes Creating font styles and colour Creating text attributes and alignments Adding in images Linking to an external website Adding horizontal lines and lists

This editable e-class and written test paper with teacher answers is aimed at GCSE (OCR) Computer Science and the Systems Architecture unit. A PowerPoint presentation with answers for further discussions in class is also provided, along with a video for students to use for revision and to aid with retention. The paper is for a 30 minute test, with 22 marks awarded. The test consists of a mixture of past papers that include questions on the following: Unit 1.1.1 - Architecture of the CPU Unit 1.1.2 - CPU Performance Unit 1.1.3 - Embedded Systems

This quick, fast paced, editable resource, comes with a colourful presentation describing binary and denary and how to convert them. There is a team competition, with live editable areas for entering scores and a timer included in the presentation. This is a fun introduction to binary for any age group. Aims and Objectives of this presentation: Introduction to the idea of the CPU carrying instructions Introduction to Base 2 and Base 10 Introduction to binary to denary conversion Introduction to denary to binary conversion Use of ICT skills to use a free fast binary convertor to encourage retention

This editable e-class and written class test versions, with teacher answers is aimed at GCSE (OCR) Computer Science. The paper is for a 30 minute test, with 21 marks awarded. A PowerPoint presentation with answers for further discussions in class is also provided, as is a video to aid with retention. The test consists of a mixture of past paper questions and answers based on the 2015, 2017, 2018 and sample paper questions and answers. This test is based on the following criteria: Image file types Compression Secondary storage File capacity RAM and ROM Virtual Memory

This editable e-class and written class test versions of the Computer Networks unit, with teacher answers is aimed at GCSE (OCR) Computer Science. The paper is for a 40 minute test, with 30 marks awarded. A PowerPoint presentation with answers for further discussions in class is also provided, along with a video for students to use for revision and to aid with retention. The test consists of a mixture of past paper questions and answers based on the 2015, 2017, 2018 and sample paper questions and answers: Unit 1.3.1 – Network Topologies Unit 1.3.2 – Wired and Wireless Networks, Protocols and Layers

This editable examination paper with teacher answers is aimed at AS Level Computer Science, it is the second exam paper in this series. The paper is for an exam of 1 hour, with 37 marks awarded. The exam consists of a mixture of past papers that include questions on the following: Boolean operators Storage capacity Binary and hexadecimal Binary addition Logical shift Arithmetic shift Logical statement ASCII Twos complement Sign and magnitude

This Greenfoot bundle, starts at the very basics of understanding Java with Greenfoot. The bundle grows into a 6 or 7 lesson package with full presentations for each lesson, with full codes, easy to learn videos and coding handouts. Lesson 4 provides an e-workbook project template document for the class to create their own project in a detailed and orderly format.

This editable e-class and written class test versions of the Network Security unit, with teacher answers is aimed at GCSE (OCR) Computer Science. The paper is for a 40 minute test, with 24 marks awarded. A PowerPoint presentation with answers for further discussion in class is also provided, along with a video for students to use for revision and to aid with retention. The test consists of a mixture of past paper questions and answers based on the 2015, 2017, 2018 and sample paper questions and answers: Unit 1.4.1 - Threats to Computer Systems and Networks Unit 1.4.2 - Identifying and Preventing Vulnerabilities

This editable e-class and written class test versionss of the Systems Software unit, with teacher answers is aimed at GCSE (OCR) Computer Science. The paper is for a 30 minute test, with 21 marks awarded. A PowerPoint presentation with answers for further discussion in class is also provided, along with a video for students to use for revision and to aid with retention. The test consists of a mixture of past paper questions and answers based on the 2015, 2017, 2018 and sample paper questions and answers: Unit 1.5.1 – Operating Systems Unit 1.5.2 – Utility Software

This resource is for use for ICT or Computer Science classes that have studied input and output devices this term.

This is a full second lesson, introducing Java Programming via Greenfoot. All code used has been tested throughout and this is a wonderful resource to use, aimed at making the teaching of Greenfoot as effortless as possible for the teacher. The lesson teaches the student the following: How to understand the Greenfoot environment How to remove actors from the scence How to save the World How to slow down and speed up actors How to eat the actors How to code effectively in Java How to check syntax for errors Creating their own world This resource consists of the following: PowerPoints and pdfs Codes handout Full Greenfoot zipped code content for the lesson

This resource provides a solid understanding of adding a counter into Greenfoot and builds upon previous knowledge of importing, removing and moving actors, and adding in sound. This resource will teach learners how to create a new Class and how to code all the regions required. The end of this lesson, will request that the class creates a project based on a game that they must fully document and test. The project should take between two to three weeks to complete. Full codes, presentation and handout provided.

This is a full beginners lesson, introducing Java Programming with Greenfoot. All code used has been tested throughout and this is a wonderful resource to use, aimed at making the teaching of Greenfoot as effortless as possible for the teacher. The lesson teaches the student the following: How to understand the Greenfoot environment How to populate the World with backgrounds and actors How to move the actors around the world, changing speeds How to compile their code and check for errors How to add in extra actors How to create movement using their keys This resource consists of the following: Lesson video PowerPoints and pdfs Codes handout

This resource provides a solid base to Greenfoot and builds upon previous knowledge of importing, removing and moving actors. This resource will teach learners how to import sound. Full codes, presentation and handout provided.

A fun end to the term to quiz who knows the most about architecture of computer systems.

This free resource provides an excellent video tutorial, showing you how to download and install the Greenfoot software for your class.