An easy to follow worksheet designed to revisit calculating file sizes as part of 1.3 Storage in the Computer Systems component. The worksheet s designed for students to read over their notes, and attempt the questions, Answer sheet is included. Has been found useful for mock papers with the students in the past ** Answers are included for teachers who are new to the subject

An introduction to Python Programming which takes the students through the initial use of: -Printing -Variables -Comments It also explains the use of Syntax and the ways in which students should structure their work. Has been tried and tested many a time! Look out for more lessons on Python soon! Including full SOWs

The second lesson in my Python scheme of work, this is aimed at building upon the introduction lesson and taking the students through the following: - Data Casting -If statements -Elif Statements Students will be challenged to complete some tasks alongside these, easy to follow and all set up for you to use! Reduce your planning time!

The fourth lesson in my introduction to python takes the students through the use of while loops and also random. I have used turtle to show the students this as it uses visual graphics and the students tend to enjoy using this. Skills Covered Variables Loops While Loops Libraries Random Turtle

Here you will find easy to follow revision sheets which will help your students to recap the topics in 1.1 Enterprise and Entrepreneurship, these include: -1.1.1 The dynamic nature of business -1.1.2 Risk and reward -1.1.3 The role of business enterprise Attached at the end of the notes are revision questions which the students should be able to answer once they have studied the topic. Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topics in 1.3 Putting A Business Idea Into Practice , these include: 1.3.1. Business Aims & Objectives 1.3.2 Business Revenues, Costs And Profits 1.3.3 Cash And Cash-Flow Attached at the end of the notes are revision questions which the students should be able to answer once they have studied the topic. Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topics in 1.5 Understanding External Influences On Business, these include: 1.5.1. Business Stakeholders 1.5.2. Technology & Business 1.5.3. Legislation & Business 1.5.4. The Economy & Business 1.5.5 External Influences Attached at the end of the notes are revision questions which the students should be able to answer once they have studied the topic. Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topic: 1.8 Ethical, legal, cultural and environmental concerns which includes: how to investigate and discuss Computer Science technologies while considering: ethical issues legal issues cultural issues environmental issues. privacy issues. how key stakeholders are affected by technologies environmental impact of Computer Science cultural implications of Computer Science open source vs proprietary software legislation relevant to Computer Science: The Data Protection Act 1998 Computer Misuse Act 1990 Copyright Designs and Patents Act 1988 Creative Commons Licensing Freedom of Information Act 2000 The revision sheets include exam questions at the end of each topic to help the students recap their revision and apply it to a question. Check out my shop to save on buying multiple sheets!! Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topic: 2.4 Computational logic: why data is represented in computer systems in binary form simple logic diagrams using the operations AND, OR and NOT truth tables combining Boolean operators using AND, OR and NOT to two levels applying logical operators in appropriate truth tables to solve problems applying computing-related mathematics: – / Exponentiation (^) MOD DIV The revision sheets include exam questions at the end of each topic to help the students recap their revision and apply it to a question. Check out my shop to save on buying multiple sheets!! Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topic: 2.5 Translators and facilities of languages characteristics and purpose of different levels of programming language, including low level languages the purpose of translators the characteristics of an assembler, a compiler and an interpreter common tools and facilities available in an integrated development environment (IDE): editors error diagnostics run-time environment translators. The revision sheets include exam questions at the end of each topic to help the students recap their revision and apply it to a question. Check out my shop to save on buying multiple sheets!! Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topic: 2.6 Data Representation Units bit, nibble, byte, kilobyte, megabyte, gigabyte, terabyte, petabyte how data needs to be converted into a binary format to be processed by a computer. Numbers how to convert positive denary whole numbers (0–255) into 8 bit binary numbers and vice versa how to add two 8 bit binary integers and explain overflow errors which may occur binary shifts how to convert positive denary whole numbers (0–255) into 2 digit hexadecimal numbers and vice versa how to convert from binary to hexadecimal equivalents and vice versa check digits. Characters the use of binary codes to represent characters the term ‘character-set’ the relationship between the number of bits per character in a character set and the number of characters which can be represented (for example ASCII, extended ASCII and Unicode). Images how an image is represented as a series of pixels represented in binary metadata included in the file the effect of colour depth and resolution on the size of an image file. Sound how sound can be sampled and stored in digital form how sampling intervals and other factors affect the size of a sound file and the quality of its playback: sample size bit rate sampling frequency. Compression need for compression types of compression: lossy lossless. The revision sheets include exam questions at the end of each topic to help the students recap their revision and apply it to a question. Check out my shop to save on buying multiple sheets!! Enjoy!

NEW J277 SPEC Here you will find easy to follow revision sheets which will help your students to recap the topic: 1.6 Ethical, Legal, Cultural and Environmental Impacts of Digital Technology ¨ Impacts of digital technology on wider society including: o Ethical issues o Legal issues o Cultural issues o Environmental issues o Privacy issues ¨ Legislation relevant to Computer Science: o The Data Protection Act 2018 o Computer Misuse Act 1990 o Copyright Designs and Patents Act 1988 o Software licences (i.e. open source and proprietary)

NEW J277 SPECIFICATION Here you will find easy to follow revision sheets which will help your students to recap the topic: 1.5 Systems Security The purpose and functionality of operating systems: o User interface o Memory management and multitasking o Peripheral management and drivers o User management o File management 1.5.2 Utility software ¨ The purpose and functionality of utility software ¨ Utility system software: o Encryption software o Defragmentation o Data compression

**NEW J277 SPECIFICATION: ** Here you will find easy to follow revision sheets which will help your students to recap the topic: 2.5 – Programming languages and Integrated Development Environments 2.5.1 Languages Characteristics and purpose of different levels of programming language: o High-level languages o Low-level languages The purpose of translators The characteristics of a compiler and an interpreter 2.5.2 The Integrated Development Environment (IDE) Common tools and facilities available in an Integrated Development Environment (IDE): o Editors o Error diagnostics o Run-time environment o Translators

A introduction to inputs and outputs for KS3, this was part of the Hardware and Software unit that was delivered. Lesson includes an introduction to the topic and tasks to complete. Extensions tasks also included. The full SOW can also be bought in the shop