This lesson teaches students about how and why encryption is used. It has been specially created for the OCR GCSE Computer Science (J277) course, meaning there is no irrelevant content from other exam boards. This resource consists of a PowerPoint presentation, a worksheet with answers, custom-made exam-styled questions with a mark scheme, and a full lesson plan. See the video and the preview image to see what is included! Feedback has been considered when creating and updating this resource to ensure it is appealing, engaging, and challenging. This resource will be updated to ensure it is (one of) the best! Duration: 1 Lesson This resource is designed to cover: How encryption is used to secure data. ⠀ Other complete lessons in Unit 1.3: Types of Networks Network Performance Network Hardware The Internet Network Topologies Encryption (Current - Free) Standards and Network Protocols Network Connections

Learn all about Python exception handling! Teach students to catch errors, use try-except blocks, and create robust Python programs that handle unexpected issues smoothly and efficiently. This interactive workbook includes examples, challenges, and annotated solutions to allow students to self-evaluate their code. You can easily reuse and build upon our top-quality teaching material to fit your unique teaching style. This activity is suitable for classroom use or for self-study at home, and allows for students to develop their problem-solving skills.   █▀▀ █▀▀ ▄▀█ ▀█▀ █░█ █▀█ █▀▀ █▀ █▀░ ██▄ █▀█ ░█░ █▄█ █▀▄ ██▄ ▄█ This resource can be used for both GCSE and A-Level classes. This workbook contains 9x pages with: Explanations & Examples to simplify learning and clarify concepts which are complex to understand at first. 6x Challenging Tasks to apply knowledge learned and enhance problem-solving skills. Some challenges may require more thinking and research than others. Solutions in both source code form and written form for students who use online compilers.   Other useful resources from us: Dictionaries - Python Programming Challenges   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀

This lesson is about the Purpose of the CPU, or processor, inside the computer and has been specially created for the OCR GCSE Computer Science (J277) course, meaning there is no irrelevant content from other exam boards. This resource consists of a PowerPoint presentation, a worksheet with an answer sheet, custom exam-styled questions with a mark scheme, and a full lesson plan. See the video and the preview image to see what is included! Feedback has been considered when creating and updating this resource to ensure it is appealing, engaging, and challenging. This resource will be updated to ensure it is (one of) the best! Duration: 1 Lesson This lesson teaches students about: Input and Output Devices Hardware and Software Purpose of the CPU Fetch-Decode-Execute Cycle (This is briefly covered and sets the foundations to a complex content, it will be fully covered in the Von Neumann architecture lesson). ⠀ I hope you enjoy using this lesson as much as I enjoyed making it. Other complete lessons in Unit 1.1: Purpose of the CPU (Current - Free) Von Neumann Architecture CPU Performance Embedded Systems (Free)

This lesson is about Embedded Systems and General-Purpose Computers and has been specially created for the OCR GCSE Computer Science (J277) course, meaning there is no irrelevant content from other exam boards. This resource consists of a PowerPoint presentation, a worksheet with an answer sheet, custom exam-styled questions with a mark scheme, and a full lesson plan. See the video and the preview image to see what is included! Feedback has been considered when creating and updating this resource to ensure it is appealing, engaging, and challenging. This resource will be updated to ensure it is (one of) the best! Duration: 1 Lesson This resource is designed to cover: Purpose and Characteristics of Embedded Systems Differences when compared with General-Purpose Computers. Wide range of Examples. ⠀ Other complete lessons in Unit 1.1: Purpose of the CPU (Free) Von Neumann Architecture CPU Performance Embedded Systems (Current - Free)

This resource contains practice calculations questions for energy efficiency, ideal for revision or practice, using the equation: efficiency = useful / total input. ’Stage 1’ questions require students to calculate the magnitude of efficiency using given information. ’Stage 2’ questions require students to rearrange the equation to calculate values for different variables. ’Stage 3’ questions (extension) require students to use values in standard form to calculate the efficiency or magnitudes of different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for specific heat capacity, ideal for revision or practice, using the equation: E = mc∆θ. ’Stage 1’ questions mostly require students to calculate the magnitude of energy required using given information. ’Stage 2’ questions mostly require students to rearrange the equation to calculate values for different variables. ’Stage 3’ questions (extension) require students to use values in standard form to calculate the magnitude of energy required or of different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This complete lesson covers the different energy stores, conservation of energy, and the transfers of energy in a system. This resource is suitable for students with different abilities with simple and clear language with diagrams and images being used to suit visual learners. You can easily reuse and adapt our top-quality teaching material to fit your unique teaching style.   █▀▀ █▀▀ ▄▀█ ▀█▀ █░█ █▀█ █▀▀ █▀ █▀░ ██▄ █▀█ ░█░ █▄█ █▀▄ ██▄ ▄█ For the AQA GCSE Combined and Triple Physics specifications 8463/8464. This resource contains: 25+ slide presentation which includes images and diagrams, animations, student activities, and discussion questions. 2 page worksheet designed to challenge students and consolidate knowledge. An answer sheet is included. Custom exam-styled questions designed to allow students to practice their exam technique based on this content. A mark scheme is included.   Other useful resources from us: (Free) Kinetic Energy - Practice Calculations Energy Revision - Topic 1 Multiple Choice Questions - Great for finding weaker topics prior to the exams!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board. Please note that this resource does not contain detailed information about practical activities which may be associated with this content. This will be covered in separate resource(s) in the future

This resource contains practice calculations questions for uniform acceleration, ideal for revision or practice, using the equation: v^2 = u^2 + 2as ’Stage 1 & 2’ questions require students to calculate the magnitudes of different variables which may require the equation to be rearranged.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for gravitational potential energy, ideal for revision or practice, using the equation: GPE = mgh. ’Stage 1’ questions require students to calculate the magnitude of gravitational potential energy using given information. ’Stage 2’ questions require students to rearrange the equation to calculate values for different variables. ’Stage 3’ questions (extension) require students to use values in standard form to calculate the magnitude of gravitational potential energy or different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for work done, ideal for revision or practice, using the equation: W = Fs. ’Stage 1’ questions require students to calculate the magnitude of work done using given information. ’Stage 2’ questions require students to rearrange the equation to calculate values for different variables. ’Stage 3’ questions (extension) require students to use values in standard form to calculate the magnitude of work done or different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for specific latent heat, ideal for revision or practice, using the equation: E = mL. ’Stage 1’ questions require students to calculate the magnitude of the energy required using given information. ’Stage 2’ questions require students to rearrange the equation to calculate values for different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for wave speeds, ideal for revision or practice, using the equation: v = fλ. ’Stage 1’ questions require students to calculate the magnitude of the speed of a wave using given information. ’Stage 2’ questions require students to rearrange the equation to calculate values for different variables. ’Stage 3’ questions (extension) require students to use values in standard form to calculate the magnitude of a speed of a wave, or different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for momentum and impulse, ideal for revision or practice, using the equations: p = mv, and F = mv/t ’Stages 1-2’ questions (mixed difficulty) require students to calculate the magnitude of momentum or impulse. Some questions may require students to rearrange the correct equation to calculate the magnitude of different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for elasticity, ideal for revision or practice, using the equation: F = ke. ’Stage 1’ questions require students to calculate the magnitude of force using given information. ’Stage 2’ questions require students to rearrange the equation to calculate values for different variables. ’Stage 3’ questions (extension) require students to use values in standard form to calculate the magnitude of force or different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for kinetic energy, ideal for revision or practice, using the equation: KE = 1/2mv^2. ’Stage 1’ questions require students to calculate the magnitude of kinetic energy using given information. ’Stage 2’ questions require students to rearrange the equation to calculate values for different variables. ’Stage 3’ questions (extension) require students to use values in standard form to calculate the magnitude of kinetic energy or different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for gravitational potential energy, ideal for revision or practice, using the equation: EPE = 1/2ke^2. ’Stage 1’ questions require students to calculate the magnitude of elastic potential energy using given information. ’Stage 2’ questions require students to rearrange the equation to calculate values for different variables. ’Stage 3’ questions (extension) require students to use values in standard form to calculate the magnitude of elastic potential energy or different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for wave speeds, ideal for revision or practice, using the equation: p = F/A or p = hρg. ’Stage 1’ questions require students to calculate the magnitude of the pressure using given information and either equation (p = F/A or p = hρg) ’Stage 2’ questions require students to rearrange either equation to calculate values for different variables. ’Stage 3’ questions (extension) require students to use values in standard form to calculate the magnitude of the pressure, or different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for the moment of a force, ideal for revision or practice, using the equation: M = Fd. ’Stage 1’ questions require students to calculate the magnitude of the moment of a force using given information. ’Stage 2’ questions require students to rearrange the equation to calculate values for different variables. ’Stage 3’ questions (extension) require students to use values in standard form to calculate the magnitude of the moment of a force or different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for power and energy, ideal for revision or practice, using the equations: P = E/t, P=VI, PI^2R, and E = QV. ’Stage 1-2’ questions require students to calculate the magnitude of power using one of the above equations. Students may need to rearrange the correct equation to calculate the magnitude of different variables. ’Stage 3-4’ questions equire students to calculate the magnitude of power and energy using one of the above equations. Students may need to rearrange the correct equation to calculate the magnitude of different variables. ’Stage 5’ questions (extension) require students to use values in standard form to calculate the power or energy transfered, or the different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.

This resource contains practice calculations questions for calculating the force exerted on a current-carrying wire in a magnetic field, ideal for revision or practice, using the equation: F = BIl. ’Stage 1’ questions require students to calculate the magnitude of force exerted on a wire using given information. ’Stage 2’ questions require students to rearrange the equation to calculate values for different variables. ’Stage 3’ questions (extension) require students to use values in standard form to calculate the magnitude of force or different variables.   A handwritten answer sheet is provided to show students best practices when approached with a calculation question.   This resource has been designed for the AQA specification, but it may also be suitable for other exam boards with a similar syllabus.   Feel free to reach out if you have any questions!   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Disclaimer: This resource does not have any affiliation with AQA or any other exam board.