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 bundle of 10 class crosswords, can be used in lessons as a starter or as homework, as a fun way to test student understanding of the computing topics. This crossword activity bundle for Computer Science / Computing, covers: Algorithm Thinking Architecture Identifiers and String Handling Input / Output Devices Logical Operations Networking Primary Storage Sorting and Searching Algorithms Secondary Storage Requirements Storage Requirements Full answers are provided for all crosswords. This bundle really does help with aiding retention and act as a testing resource for classwork or as homework. This bundle consists of printable sheets, for students to complete in lessons or for homework. Full teacher answers are provided.

This Greenfoot bundle, based on the WJEC GCSE version 2.4.2 requirements, 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, all easy to learn videos and coding handouts. ***** There is a newly included user friendly e-learning resource to give to students to aid with learning, with interactive quizzes **** Lesson 4 provides an e-workbook project template document for the class to create their own project in a detailed and orderly format, which can also be printed out and edited to suit each class. This bundle will teach your class: 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 How to remove actors from the scene 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 How to add sound to actors How to save files, store and run them How to set up the counter How to edit the counter How to program the counter

A fantastic full package of 6 * 1 hour lessons with full presentations, lesson plans, bespoke videos, full e-test document at the end of the course, with full answers, and fully tested codes for any teacher that needs to start off with Python, but does not know where to begin. This package is created to enable you to jump straight in with absolutely no specialist background whatsoever. Each lesson has been created to be 1 hour in length. However, these can be broken down due to the nature of the presentations and are editable for teacher use. This is suitable for age ranges between Year 9 to 12 and for home schooling, but can be used for younger children, where applicable. **** End of topic test included with 16 questions, teacher answers and full code**** This package includes: Extensive presentations, with videos Full lesson plans Full and extensive codes (no need to code yourself) Extensive end of lesson practice questions with answers End of module test (with full answers and codes) This module covers: An introduction to the shell and editor Syntax and comments Data types Variables Casting Strings and loops Working with arrays Slicing Len function, upper and lower Boolean functions Lists Tuples Dictionaries