This lesson guides the students through Python Lists, it has challenges to test students knowledge and build upon their previous lessons (also available in shop). This will develop their skills in using lists and combining data together.

Here you will find the resources to complete Unit 20 in the level 3 Cambridge Technicals. All of the Learning Objectives have been covered within the lessons provided. The assignment which has been used has also been checked using the Assignment Checking service from OCR. (Service is £30 per assignment) Enjoy!

Here you will find the resources to complete unit 18 in the level 3 Cambridge Technicals. All of the Learning Objectives have been covered and the lessons contain notes from the chief moderator from OCR. Also attached is a sample of how you could complete the practical element to the assignment, although you can choose another method! The assignment which has been used has also been checked using the Assignment Checking service from OCR. (Service is £30 per assignment) Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topics in 1.4 Making The Business Effective, these include: 1.4.1. The Options For Start Up & Small Business 1.4.2 Business Location 1.4.3 The Marketing Mix 1.4.4. Business Plans Attached at the end of the notes are revision questions which the students should be able to answer once they have studied the topic. Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topics in 2.2 Making Marketing Decisions, these include: 2.2.1 Product 2.2.2 Price 2.2.3 Promotion 2.2.4 Place 2.2.5. Using the marketing mix to make business decisions Attached at the end of the notes are revision questions which the students should be able to answer once they have studied the topic. Enjoy!

Here you will find easy to follow revision sheets which will help your students to recap the topic: 1.1 Systems Architecture which includes: the purpose of the CPU Von Neumann architecture: MAR (Memory Address Register) MDR (Memory Data Register) Program Counter Accumulator common CPU components and their function: ALU (Arithmetic Logic Unit) CU (Control Unit) Cache the function of the CPU as fetch and execute instructions stored in memory how common characteristics of CPUs affect their performance: clock speed cache size number of cores embedded systems: purpose of embedded systems examples of embedded systems. 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. Enjoy!

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!

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!

An easy to follow worksheet designed to revisit calculating clock speed as part of 1.1 Systems Architecture 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

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 query a database using SQLite3 in Python. Included are the following: 1. PPT explaining how to run a query in a database 2. Example programs (in zip file) 3.Example Database (in zip file, access through a program such as DB Browser (Freeware)) if you need free software to run and connect to sql databases please download the DB Broswer for FREE and also check out a little guide i made to the software, also FREE: https://www.tes.com/teaching-resource/sqlite-program-introduction-db-browser-11751031

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 topics in 1.2 Spotting A Business Opportunity, these include: 1.2.1 Customer Needs 1.2.2 Market Research 1.2.3 Market segmentation 1.2.4 The Competitive Environment Attached at the end of the notes are revision questions which the students should be able to answer once they have studied the topic. 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!

Here you will find easy to follow revision sheets which will help your students to recap the topic: 2.1 Algorithms computational thinking: abstraction decomposition algorithmic thinking standard searching algorithms: binary search linear search standard sorting algorithms: bubble sort merge sort insertion sort how to produce algorithms using: pseudocode using flow diagrams interpret, correct or complete algorithms. 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!

NEW J277 SPECIFICATION: Here you will find easy to follow revision sheets which will help your students to recap the topic: 1.1 Systems Architecture which includes: The purpose of the CPU: o The fetch-execute cycle ¨ Common CPU components and their function: o ALU (Arithmetic Logic Unit) o CU (Control Unit) o Cache o Registers ¨ Von Neumann architecture: o MAR (Memory Address Register) o MDR (Memory Data Register) o Program Counter o Accumulator How common characteristics of CPUs affect their performance: o Clock speed o Cache size o Number of cores ¨ The purpose and characteristics of embedded systems ¨ Examples of embedded systems 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. Enjoy!

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)

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

DB Browser is a handy tool you can use for SQLite, it is freeware which is available at: http://sqlitebrowser.org This little guide take you through how to make use of DB Browser for SQLite!