This lesson is about units of data storage and is designed to teach students about bits and how units are used to simplify file sizes. 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 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: Units of data storage. Moving between different data units. Calculating required storage capacity for files. Why data needs to be converted to binary format. ⠀ Other complete lessons in Unit 1.2: RAM, ROM, and Virtual Memory (Primary Storage) Units of Storage (Current) Secondary Storage Binary Crash Course Representing Images Representing Sound Representing Characters Compression

Secondary storage can be a difficult idea to get your head around, but this complete lesson is going to change that! 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 flashcards worksheet with answers, 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: 2-3 Lessons This resource is designed to cover: The need for secondary storage. Common types of storage technology: optical, magnetic, solid-state/flash. Advantages and disadvantages of storage technology. Characteristics of secondary storage technology: cost, capacity, speed, portability, durability, reliability. ⠀ Other complete lessons in Unit 1.2: RAM, ROM, and Virtual Memory (Primary Storage) Units of Storage Secondary Storage (Current) Binary Crash Course Representing Images Representing Sound Representing Characters Compression

This teaches students how sound is is sampled and stored in a digital form along with what is sample rate, bit depth, and duration of sound files. 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 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: Analogue waves. How sound is sampled and store in a digital form on a computer. Factors affecting sound quality: sample rate and bit depth. Calculating the size of sound files. ⠀ Other complete lessons in Unit 1.2: RAM, ROM, and Virtual Memory (Primary Storage) Units of Storage Secondary Storage Binary Crash Course Representing Images Representing Sound (Current) Representing Characters Compression

This activity aims to challenge students’ Python programming skills in using lists / arrays, and manipulating them. This resource is suitable for students with different abilities, with the source code being available for each challenge. You can easily reuse and adapt 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.   █▀▀ █▀▀ ▄▀█ ▀█▀ █░█ █▀█ █▀▀ █▀ █▀░ ██▄ █▀█ ░█░ █▄█ █▀▄ ██▄ ▄█ Compliant with the AQA/OCR GCSE Computer Science specifications 8525/J277. This resource contains: 12 challenges provide students with an invaluable opportunity to sharpen their coding skills and problem-solving abilities through using arrays / lists. Source code answers allowing for students to self-evaluate their work or explore a different way of solving the problem.   Other useful resources from us: File Handling - Python Programming Challenges Random Numbers - Python Programming Challenges Laws and Legislation - Complete Lesson (OCR GCSE J277)   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Feel free to leave any feedback in the review section below! :)

This resource covers the common ways vulnerabilities can be removed: penetration testing, anti-malware software, firewalls, user access levels, passwords, encryption, and physical security. 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: 2 Lessons This resource is designed to cover: How network threats are limited. Common vulnerability prevention methods: Penetration Testing Anti-Malware Software Firewalls User Access Levels Passwords Encryption Physical Security ⠀

This teaches students about lossy and lossless compression, along with the need for compression, and the effect on files. 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 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: Why compression is used. Lossy and Lossless compression. Scenarios where each type of compression may be used. Advantages and disadvantages of each type of compression - there is a worksheet task designed for students to obtain this information from the presentation. Effects on different types of files. ⠀ Other complete lessons in Unit 1.2: RAM, ROM, and Virtual Memory (Primary Storage) Units of Storage Secondary Storage Binary Crash Course Representing Images Representing Sound Representing Characters Compression (Current)

This activity aims to challenge students’ Python programming skills in using random numbers. This resource is suitable for students with different abilities, with the source code being available for each challenge. You can easily reuse and adapt 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.   █▀▀ █▀▀ ▄▀█ ▀█▀ █░█ █▀█ █▀▀ █▀ █▀░ ██▄ █▀█ ░█░ █▄█ █▀▄ ██▄ ▄█ Compliant with the AQA/OCR GCSE Computer Science specifications 8525/J277. This resource contains: 12 challenges provide students with an invaluable opportunity to sharpen their coding skills and problem-solving abilities through using random numbers. Source code answers allowing for students to self-evaluate their work or explore a different way of solving the problem.   Other useful resources from us: File Handling - Python Programming Challenges Random Numbers - Python Programming Challenges (Free) Encryption - Complete Lesson (OCR GCSE J277)   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Feel free to leave any feedback in the review section below! :)

This activity aims to challenge students’ Python programming skills in using and creating functions and procedures. This resource is suitable for students with different abilities, with the source code being available for each challenge. You can easily reuse and adapt 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.   █▀▀ █▀▀ ▄▀█ ▀█▀ █░█ █▀█ █▀▀ █▀ █▀░ ██▄ █▀█ ░█░ █▄█ █▀▄ ██▄ ▄█ Compliant with the AQA/OCR GCSE Computer Science specifications 8525/J277. This resource contains: 12 challenges provide students with an invaluable opportunity to sharpen their coding skills and problem-solving abilities through using functions and procedures. Source code answers allowing for students to self-evaluate their work or explore a different way of solving the problem.   Other useful resources from us: Arrays / Lists - Python Programming Challenges Random Numbers - Python Programming Challenges Operating Systems (OS) - Complete Lesson (OCR GCSE J277)   █▀▀ █▀█ █ █▀▄▀█ █▀ █▀█ █▄░█ █▄▄ █▀▄ █ █░▀░█ ▄█ █▄█ █░▀█   █░█░█ █ ▀█ ▄▀█ █▀█ █▀▄ ▀▄▀▄▀ █ █▄ █▀█ █▀▄ █▄▀ Feel free to leave any feedback in the review section below! :)

This is designed to teach students how images are represented in computers. It provides an overview on bitmaps and vectors, and goes into detail on how pixels are represented. 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 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 an image is represented using pixels. How each pixel is represented. Effect of colour depth and resolution on images. Metadata. Calculating the size of an image file. ⠀ Other complete lessons in Unit 1.2: RAM, ROM, and Virtual Memory (Primary Storage) Units of Storage Secondary Storage Binary Crash Course Representing Images (Current) Representing Sound Representing Characters Compression

This resource covers the conversion between binary integers and decimal values, and vice versa. 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 preview 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 Please note that a binary crash course version of this resource is available. This resource is designed to cover: What is binary? Conversion between binary and denary. Conversion between denary to binary - two methods. ⠀

This resource contains a complete lesson on: structure of the atom - neutrons, protons, and electrons; calculating the number of protons and neutrons from the periodic table; mass and charge of subatomic particles. This resource is suitable for students studying combined science or triple. This resource is here to save you many hours of work and hassle. With our top-quality teaching material, you can easily reuse and adapt them to fit your unique teaching style. Say goodbye to the stress of lesson planning and hello to more time for what matters most.   █▀▀ █▀▀ ▄▀█ ▀█▀ █░█ █▀█ █▀▀ █▀ █▀░ ██▄ █▀█ ░█░ █▄█ █▀▄ ██▄ ▄█ Curriculum-aligned to AQA GCSE Combined and Triple Chemistry specifications 8462/8464. Suitable for both foundation and higher students. Questions in the presentation engages students and allows them to develop their problem-solving and critical thinking skills. Easy to use and integrate into existing lessons.   This resource contains: Presentation with 23 slides, containing discussion questions and concepts explained in simple terms. Worksheet with an answer sheet. Custom exam-styled questions with a mark scheme - perfect for revision or homework. Recommended lesson duration: 1 lesson 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 has been created by a third-party to allow students to learn about the content found in an AQA specification. Please note that this resource does not contain detailed information about practical activities which may be associated with this content.

This resource contains a complete lesson on: electronic structure of atoms and how it is represented. This resource is suitable for students studying combined science or triple. This resource is here to save you many hours of work and hassle. With our top-quality teaching material, you can easily reuse and adapt them to fit your unique teaching style. Say goodbye to the stress of lesson planning and hello to more time for what matters most.   █▀▀ █▀▀ ▄▀█ ▀█▀ █░█ █▀█ █▀▀ █▀ █▀░ ██▄ █▀█ ░█░ █▄█ █▀▄ ██▄ ▄█ Curriculum-aligned to AQA GCSE Combined and Triple Chemistry specifications 8462/8464. Suitable for both foundation and higher students. Questions in the presentation engages students and allows them to develop their problem-solving and critical thinking skills. Easy to use and integrate into existing lessons.   This resource contains: Presentation with 27 slides, containing discussion questions and concepts explained in simple terms. Worksheet with an answer sheet. Custom exam-styled questions with a mark scheme - perfect for revision or homework. Recommended lesson duration: 1 lesson 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 has been created by a third-party to allow students to learn about the content found in an AQA specification. Please note that this resource does not contain detailed information about practical activities which may be associated with this content.

This resource contains a complete lesson on: the history and development of the periodic table, including the work of Dimitri Mendeleev and John Newlands. This resource is suitable for students studying combined science or triple. This resource is here to save you many hours of work and hassle. With our top-quality teaching material, you can easily reuse and adapt them to fit your unique teaching style. Say goodbye to the stress of lesson planning and hello to more time for what matters most.   █▀▀ █▀▀ ▄▀█ ▀█▀ █░█ █▀█ █▀▀ █▀ █▀░ ██▄ █▀█ ░█░ █▄█ █▀▄ ██▄ ▄█ Curriculum-aligned to AQA GCSE Combined and Triple Chemistry specifications 8462/8464. Suitable for both foundation and higher students. Questions in the presentation engages students and allows them to develop their problem-solving and critical thinking skills. Easy to use and integrate into existing lessons.   This resource contains: Presentation with 31 slides, containing discussion questions and concepts explained in simple terms. Worksheet with an answer sheet. Custom exam-styled questions with a mark scheme - perfect for revision or homework. Recommended lesson duration: 1-2 lessons 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 has been created by a third-party to allow students to learn about the content found in an AQA specification. Please note that this resource does not contain detailed information about practical activities which may be associated with this content.

This lesson teaches students about the internet: Domain Name Service (DNS), server hosting, the cloud, web servers, and clients. 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: 1-2 Lessons This resource is designed to cover: The Internet: DNS, Hosting, The Cloud, Web Servers, and Clients. Purpose of the DNS. Purpose of the cloud. Interaction between clients and web servers. Different types of servers and the services they provide. Advantages and disadvantages of the cloud. ⠀ Other complete lessons in Unit 1.3: Types of Networks Network Performance Network Hardware The Internet (Current) Network Topologies Encryption (Free) Standards and Network Protocols Network Connections

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 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 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.