NEW J277 SPECIFICATION Here you will find easy to follow revision sheets which will help your students to recap the topic: 1.2 Storage and Memory which includes: The need for primary storage The difference between RAM and ROM The purpose of ROM in a computer system The purpose of RAM in a computer system Virtual memory ¨ The need for secondary storage ¨ Common types of storage: o Optical o Magnetic o Solid state ¨ Suitable storage devices and storage media for a given application ¨ The advantages and disadvantages of different storage devices and storage media relating to these characteristics: o Capacity o Speed o Portability o Durability o Reliability o Cost ¨ The units of data storage: o Bit o Nibble (4 bits) o Byte (8 bits) o Kilobyte (1,000 bytes or 1 KB) o Megabyte (1,000 KB) o Gigabyte (1,000 MB) o Terabyte (1,000 GB) o Petabyte (1,000 TB) ¨ How data needs to be converted into a binary format to be processed by a computer ¨ Data capacity and calculation of data capacity requirements Numbers ¨ How to convert positive denary whole numbers to binary numbers (up to and including 8 bits) and vice versa ¨ How to add two binary integers together (up to and including 8 bits) and explain overflow errors which may occur ¨ How to convert positive denary whole numbers into 2-digit hexadecimal numbers and vice versa ¨ How to convert binary integers to their hexadecimal equivalents and vice versa ¨ Binary shifts 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, e.g.: o ASCII o Unicode Images ¨ How an image is represented as a series of pixels, represented in binary ¨ Metadata ¨ The effect of colour depth and resolution on: o The quality of the image o The size of an image file Sound ¨ How sound can be sampled and stored in digital form ¨ The effect of sample rate, duration and bit depth on: o The playback quality o The size of a sound file ¨ The need for compression ¨ Types of compression: o Lossy o Lossless The revision sheets include over 50 exam questions at the end of each topic to help the students recap their revision and apply it to a question. Enjoy!

A introduction to 3d printing and Google SketchUp, which was used as part of our 3d printing topic with keystage 3. It requires the students to look into the ways in which 3d printing works as well as introducing them to Google Sketchup Also included is a worksheet to remind students of the tools in SketchUp ***The whole unit is also available in my shop! Grab a bargain! and decrease your planning time!***

As part of the 3d printing module students are asked to showcase their work and assess their progress, they also gain feedback from their peers as part of the process. This lesson is designed to completed the unit and allow the students to improve upon their designs using their own assessments and peers thoughts. ***The whole unit is also available in my shop! Grab a bargain! and decrease your planning time!***

Attached is a lesson on how to create a login system using a csv file in Python. Included are the following: 1. PPT explaining how to create a login system 2. Example programs (in zip file)

Attached is a lesson on how to read and write to a csv file in Python. Included are the following: 1. PPT explaining how to write and read from a csv file 2. Example programs (in zip file)

Here you will find easy to follow revision sheets which will help your students to recap the topic: 2.3 Producing Robust Programs defensive design considerations: input sanitisation/validation planning for contingencies anticipating misuse authentication maintainability: comments indentation the purpose of testing types of testing: iterative final/terminal how to identify syntax and logic errors selecting and using suitable test data. 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: 1.5 Network topologies, protocols and layers which includes: star and mesh network topologies Wifi: frequency and channels encryption ethernet the uses of IP addressing, MAC addressing, and protocols including: TCP/IP (Transmission Control Protocol/Internet Protocol) HTTP (Hyper Text Transfer Protocol) HTTPS (Hyper Text Transfer Protocol Secure) FTP (File Transfer Protocol) POP (Post Office Protocol) IMAP (Internet Message Access Protocol) SMTP (Simple Mail Transfer Protocol) the concept of layers packet switching. 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!

Two resources that cover digital safety for KS3 students, these two resources take the students through staying safe online (social media) as well as emails. The students are to discuss the topic and then use their researching skills to complete the tasks that are set. Both are eye catching and easy to follow! Enjoy!

All of the resources i used for this unit of work at level 3, the pack contains all of the assignments i used as well as the resources for each section.

part of the BTEC Level 3 Diploma in Information Technology which i delivered to level 3 students, pack contains all resources that i used including assignments

A introduction to computer software 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!

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

A mock exam and mapped mark scheme that was used to test students knowledge and abilities on the A451 Computer Science topics. Test is made up of previous questions all of which are mapped out. Examination Board: OCR

This is the full unit for the KS3 hardware and software topic which I delivered, it includes the full lessons along with extensions and an assessment at the end of the topic. included are: 1. Hardware 2. Software 3. Inputs and Outputs 4. The future of Hardware and Software 5. Assessment Single lessons can also be purchased in the shop

A introduction to the future of hardware and software 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

A introduction to computer hardware 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

An easy to follow worksheet designed to revisit RAM, ROM and Virtual Memory as part of 1.2 Memory 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

A little checklist I made for my computer science class to use for revision purposes. It is for the first three topics in the Computer Systems topic