This visually appealing knowledge organiser is a quick summary to recap binary representation. It can help pupils revise for end of unit tests or GCSE computer science exams by including small straightforward facts that can be learnt in minutes. A powerful revision aid that your students will love. What are you waiting for? Grab your copy now and together we can boost your pupil’s confidence in understanding data representation. WHAT IS INCLUDED? This PDF knowledge organiser includes the important facts and a separate PDF document includes revision tips and an exam style question including a possible answer. HOW CAN I USE IT? This resource makes an ideal homework task, can be used as part of a lesson or given to pupils to help them with their revision. WHAT DOES IT COVER? This knowledge organiser includes easy to digest facts on the following topics: Data units Converting denary whole number to binary Add binary numbers Use binary shifts Convert binary into hexadecimal numbers The use of check digits Representing characters Character sets Representing images in pixels Metadata Colour depth Resolution Calculating the size of an image Sound sampling Sample size Bit rate Lossy and lossless compression . Get your copy of this fantastic knowledge organiser now. You’ll wonder how you ever managed without it. FREE BONUS PRODUCT INCLUDED As a special thank you for purchasing this product I am pleased to be able to also include a surprise FREE bonus gift. This gift is one of our complete resources which we will usually charge full price for but is yours absolutely free when you purchase this product. Just our little way of saying thank you to our valued customers. I hope you enjoy it and get use out of it, with my compliments. Click here to see my other computer science knowledge organisers

Within KS3 Computer Science: Data Representation - Year 8, your students will recall and build upon understanding developed within Data Representation for Year 7 and learn the following: To recall binary and denary conversion techniques from year 7. To be able to add two binary numbers using binary addition and understand the term overflow error. Understand the use and purpose of ASCII and Unicode character sets. Understand how images are stored on a computer. Understand the relationship between resolution, colour depth and file size. Recap the terms ‘Base 2’ and ‘Base 10’ number systems. To apply understanding to the use of Hexadecimal (base 16). Your students will learn these concepts through a range of clearly presented explanations and a range of tasks and challenges to consolidate learning. This unit of work also includes a final assessment. Full teacher solutions also included! Before completing this unit of work, it is recommended that your students complete Data Representation for Year 7 and Computer Systems for Year 8 so they have an understanding of the different hardware components of a computer.

This resource contains 6 lessons on data representation, looking at images properties, Text (ASCII & Unicode), Sound and compression. Each lesson has been created with student engagement and learning at the forefront. Resouces contains main student booklet which can be printed out or given digitally, along with folders containing lessons slides and additional content. This SOW leads up into computer science GCSE topics

A quick revision quiz that can be used as a starter activity for GCSE Computer Science converting between the different numbering systems including denary, binary and hexadecimal. An answer document is included for the teachers reference.

10 to 13 hours of lesson time. Included: 1 x class PPT 1 x summative assessment and answer key 14 x activity resources (revision sheets, input activity handouts, student-centered activity sheets, videos, vocabulary activity), Resource Contents: 105 x slide PPT 10 x carefully scaffolded lessons 8 x differentiated target tasks with model answers 1 x summative assessment lesson Topics covered: Analogue, digital and binary Denary, binary and hexadecimal number systems Converting between base 2, 10 and 16 Binary addition & overflow Logical binary shifts Data storage measurements: SI and IEC Data compression Lossless and Lossy compression

This worksheet introduces sound to the students. They’re expected to answer a series of questions which talk about analogue sound, bit rate and bit depth. There are questions included which build on knowledge that they may have previously covered. For example, ASCII and Unicode. There are also questions about lossless and lossy compression included which support the need for compression on files.

This is a computer science lesson without a computer. This is for KS3 students, and would be great as a cover lesson, a homework or for when a student needs to work elsewhere and you need a quick alternative lesson. This worksheet is 4 pages long, has some information and 3 tasks and an extension activity to complete. I have included teacher answers for non-specialists who may be covering your lesson, or for students to self and peer mark.

This video looks at representing a set of data using set-builder notation and comparing this method of data representation to other methods of data representation.

These 10 lessons focus on the topic of: Data Representation Each lesson contains powerpoint, worksheets and supporting documents. The 10 lessons cover the following areas: - Storage -Memory - Introduction to Binary - Binary Converting - Binary Math - Hex -Logic Gates - Compression

This is a written test about how data is represented in a computer system. It includes questions on binary, denary, hexadecimal, binary addition, logic gates, truth tables, ASCII, bitmaps and vector images and machine code. Suitable for GCSE Computer Science classes and KS3 Computing classes. A useful revision tool to help GCSE pupils recognise gaps in their knowledge. The test takes most students around 25 - 30 mins to complete. FREE BONUS PRODUCT INCLUDED As a special thank you for purchasing this product I am pleased to be able to also include a surprise FREE bonus gift. This gift is one of our complete resources which we will usually charge full price for but is yours absolutely free when you purchase this product. Just our little way of saying thank you to our valued customers. I hope you enjoy it and get use out of it, with my compliments.

Data Representation , intended for the OCR exam board, GCSE. Covers the main aspects of section 4 for paper 2. Two full A3 sides, picture only shows one side.

Knowledge organiser and worksheet going through Hex to Denary. Hex to binary and Binary to Hex. Denary to hex

"There are 10 kinds of people in the world; those who understand binary numbers… and those who don’t!" Alongside understanding the joke above(!), KS3 Computer Science: Data Representation - Year 7 will teach your students the following: Explain why a computer uses binary. To be able to identify the number of bits in different units of data e.g. Bit, Nibble, Byte, Kilobyte, Megabyte, Gigabyte, etc. To explain the difference between ‘base 2’ and ‘base 10’ numbering systems. To be able to convert binary into denary and vice versa. Explain how characters are stored in the ASCII character set. Your students will learn this information through a variety of clearly presented instructions as well as a range of tasks and activities designed to consolidate learning. This unit of work also includes a final assessment. Full teacher solutions also included! Before completing this unit of work, it is recommended that your students complete Computer systems for year 7 so they have an understanding of the different hardware components of a computer.

A detailed lesson plan including a presentation and worksheets covering image data representation

This unit covers Data Representation & Computer Architecture for N4 é N5. It covers: Binary Units Bin to Den and Den to Bin conversion ASCII Bit-Map Storage and Calculations of File Size Vector Graphic Storage Machine Code Computer Architecture (memory, processor components, buses, addressibility) é Interfaces Three calculation sheets accompany the unit. For access to all the files send me a message with your e-mail address and I’ll register you for the Dropbox they’re stored in. Please leave feedback. G Reid

For ICT students A simple notes on data representation

SAMPLE KNOWLEDGE ORGANISER. GCSE Knowledge Organiser - DATA REPRESENTATION Try out the new knowledge organisers, this one is for Data Representation and contains a compressed version of what you need to know for the GCSE Computing exam. Useful for last minute revision, support for class activities or homework or great for some exam preparation in the lead up to exams. Can be used by teachers too - feel free to print for your class. If you like this, please see my bundle for sale which contains all topics for the OCR GCSE Computing exam. Happy Revising!