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.
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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
These 8 mark exam-styled questions cover topics 1.1 to 1.6 in the computer science course. Exam practice questions offer students a targeted and effective way to prepare, ensuring they are confident and successful on the exam day. These questions aim to enhance students’ understanding allowing them to master key concepts.
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.
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Compliant with the OCR GCSE Computer Science specification J277.
This resource contains:
Six unique 8-mark practice questions allow for students to practice their exam-technique on these high mark questions, each is worth 10% of the paper and can be the difference between a grade 8 and grade 9.
A mark scheme for each question allows for students to self-evaluate their work or explore a different way of answering the question.
A word document format is provided to allow for practice for the digital exams in 2025.
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Total Marks: 48
Suggested Allowed Time: 54 minutes (+25% extra time = 68 minutes)
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Other useful resources from us:
8 Mark Questions (Set B) - Exam Q’ Practice (OCR GCSE J277)
Random Numbers - Python Programming Challenges
Laws and Legislation - Complete Lesson (OCR GCSE J277)
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Feel free to leave any feedback in the review section below! :)
This lesson is about primary storage, more specifically RAM, ROM, and Virtual Memory. 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!
Please note that content about flash memory and cache is not included in this resource.
Duration: 1-2 Lessons
This resource is designed to cover:
The need for Primary Storage.
Purpose of RAM, ROM, and Virtual Memory.
Differences between RAM and ROM, and their key characteristics.
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Other complete lessons in Unit 1.2:
RAM, ROM, and Virtual Memory (Primary Storage) (Current)
Units of Storage
Secondary Storage
Binary Crash Course
Representing Images
Representing Sound
Representing Characters
Compression
This bundle contains all the Python projects that we have uploaded onto TES. Save 33% with a bundle than with buying separately.
You can also find our Python programming challenges in the bundle below. They can be purchased individually or as a bundle. As always, any feedback is incredibly appreciated! :)
Python Challenges
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Feel free to leave any feedback in the review section below! :)
This lesson teaches students about the principle of standards and the different network protocols that are used for communication. 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:
Principle of Standards
Different Types of Network Protocols and their Purpose:
TCP/IP
HTTP
HTTPS
FTP
SMTP
POP
IMAP
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Other complete lessons in Unit 1.3:
Types of Networks
Network Performance
Network Hardware
The Internet
Network Topologies
Encryption (Free)
Standards and Network Protocols (Current)
Network Connections
(!) New Update - September 2024 Complete overhaul of this resource to provider a greater challenge to students learning Python!
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.
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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)
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Feel free to leave any feedback in the review section below! :)
(!) New Update - September 2024 Complete overhaul of this resource to provider a greater challenge to students learning Python!
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.
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█▀░ ██▄ █▀█ ░█░ █▄█ █▀▄ ██▄ ▄█
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)
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Feel free to leave any feedback in the review section below! :)
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.
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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 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.
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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
This lesson is about the Von Neumann Architecture 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!
Please note that the knowledge of passing of data between registers during the FDE cycle is not required, however, I have found students generally understand the content far better if an animation of this process is shown. You can choose whether to keep or remove this animation in the presentation.
Duration: 2-3 Lessons
This resource is designed to cover:
Common CPU components and their function: ALU, CU, cache, registers.
Von Neumann architecture.
Fetch-Decode-Execute cycle involving registers.
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I hope you like this resource, other complete lessons in unit 1.1:
Purpose of the CPU (Free)
Von Neumann Architecture (Current)
CPU Performance
Embedded Systems (Free)
Get all the resources, which cover the content for Unit 1.6, in one place and at a discounted price (13% off). This bundle contains the following resources:
Ethical and Cultural Issues (OCR GCSE Lesson)
Legal, Environmental, and Privacy Issues (OCR GCSE Lesson)
Laws and Legislation (OCR GCSE Lesson)
Software Licenses (OCR GCSE Lesson)
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.
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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 resource covers the purpose of IP Addresses and MAC addresses, as well as different modes of connection: wireless (using Wi-Fi and Bluetooth) and wired (using Ethernet). 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:
Purpose of IP Addresses and MAC Addresses in networks.
Format of IP Addresses: IPv4 and IPv6.
Modes of connecting devices:
Wi-Fi
Bluetooth
Ethernet
Brief concept of layers.
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Other complete lessons in Unit 1.3:
Types of Networks
Network Performance
Network Hardware
The Internet
Network Topologies
Encryption (Free)
Standards and Network Protocols
Network Connections (Current)
Get all the resources, which cover the content for Unit 1.4, in one place and at a discounted price (10% off). This bundle contains the following resources:
Network Threats (OCR GCSE Lesson)
Network Security (OCR GCSE Lesson)
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.
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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
Get all the resources, which cover the content for Unit 1.5, in one place and at a discounted price (10% off). This bundle contains the following resources:
Operating Systems (OCR GCSE Lesson)
Utility Software (OCR GCSE Lesson)
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.
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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
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.
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Other complete lessons in Unit 1.1:
Purpose of the CPU (Free)
Von Neumann Architecture
CPU Performance
Embedded Systems (Current - Free)
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).
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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)