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Raymond Chambers's Shop

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My name is Ray Chambers. I'm a specialist in computing and have a first class honours degree in computer science. I'm currently the lead teacher of computer science at Brooke Weston Academy in Corby Northamptonshire. I have been teaching for roughly 8 years and I thoroughly enjoy my job. In 2015 I was fortunate to win the Pearson National Teaching Award for innovative use of technology. I also won the BAFTA for mentoring young coders.

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My name is Ray Chambers. I'm a specialist in computing and have a first class honours degree in computer science. I'm currently the lead teacher of computer science at Brooke Weston Academy in Corby Northamptonshire. I have been teaching for roughly 8 years and I thoroughly enjoy my job. In 2015 I was fortunate to win the Pearson National Teaching Award for innovative use of technology. I also won the BAFTA for mentoring young coders.
Lesson 1 - Object Orientation - OCR - Alevel - Python
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Lesson 1 - Object Orientation - OCR - Alevel - Python

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This lesson introduces object orientation to students and the need for classes. There is a worksheet for the students to work through and it shows them step by step how they can complete the activity. There is an example print screen in the slide show and it breaks down the need for classes in a database.
Lesson 2 - Object Orientation - OCR - Alevel - Python
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Lesson 2 - Object Orientation - OCR - Alevel - Python

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This lesson introduces constructors to students and talks about the need for setting up the class. There is an example program to work through with a worksheet attached. it shows students how to initialise variables in their program and how to pass items in. This should help students become more confident and builds on nicely from the previous task. If students have been absent they can pick it up quite easily.
AS-Level 1.3.1 - Part 2 - Network Protocols - Computer Science AS/A-Level OCR
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AS-Level 1.3.1 - Part 2 - Network Protocols - Computer Science AS/A-Level OCR

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This lesson starts off with some previous exam questions about LAN and WAN. It includes answers and shows students where they can gather their marks. It then explains to students how a protocol works. It gives them an example and gets them to think about their communication. Following on from this there is a video explaining the TCP/IP stack with the 4 layers that they're likely to need to know. Each layer is broken down into key points. There is a single exam style question. Students are then expected to look up the remaining protocols which are used regularly in networks. This task can be through poster, video or other medium.
OCR - AS-Level - Computer Science - Data Structures
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OCR - AS-Level - Computer Science - Data Structures

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This topic introduces data structures such as: - *Arrays *Stacks and Queues *Records *Lists *Tuples There are over 22 slides with some code for algorithms to support how stacks and queues work and how they check whether the queue is full. It should help your students understand the different data structures used in computer programming.
OCR - A-Level Computer Science - Thinking ahead 2.1.2 - OCR
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OCR - A-Level Computer Science - Thinking ahead 2.1.2 - OCR

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A-Level Computer Science - Thinking ahead 2.1.2 - OCR This lesson focusses on a number of areas for the OCR A-Level Computer Science spec. a) Identify the inputs and outputs for a given situation. b) Determine the preconditions for devising a solution to a problem. c) The nature, benefits and drawbacks of caching. d) The need for reusable program components. There are 3 activities which get students thinking about making the solution to the problem and the advantages and disadvantages for each of these are discussed. There are some questions and answers and also some resources from the OCR repository to support the learning in this. There is a video attached which get students to think about 'thinking ahead' and needing specific items before they use the code. Contents: * Lesson Plan * Lesson PowerPoint's * 2 Sheets to cut out and students to use
OCR 9-1 Computer Science - Legislation Bundle - GCSE
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OCR 9-1 Computer Science - Legislation Bundle - GCSE

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This bundle includes lessons on the following areas of the 9-1 computer science curriculum *Legal Issues *Computer Misuse Act *Freedom of Information Act *Communications Act *Data Protection Act *Copyright Designs and Patents Act *Creative commons *Open source / Proprietary Software *Ethical and cultural issues *Censorship and the internet *Computers in the workforce *Automated decision making *Privacy Issues *Computer technology used to analyse personal information *Artificial Intelligence
OCR - 1-9 Computer Science - Legislation Practice Questions
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OCR - 1-9 Computer Science - Legislation Practice Questions

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These questions will help your students with answer exam style questions on legislation. 8 Pages including an activity sheet and some exam questions I would include on an enable table in the corner of the room. Usually these questions are broken down into essay style questions. There is advice on how to answer these as well as past exam questions. There are some simplified questions for students who will be working towards a 5-7 but then I've included some top end work. Acts covered include: - * Computer Misuse Act * Freedom of information Act * Communications Act * Data Protection Act * Creative Commons * Copyright Designs and Patents Act
CPU - Central Processing Unit - Von Neumann / Harvard / RISC / CISC
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CPU - Central Processing Unit - Von Neumann / Harvard / RISC / CISC

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This presentation is a follow on after students have already learnt about how the Fetch Execute Decode Cycle. The idea of the presentation is that they can flow on from what they've already learnt. This will focus on the AS Level - Von Neumann / Harvard systems and it explains the difference. Following on from this the students are taught the difference between CISC and RISC. The idea of this will be that they understand how instructions are split. There is a task at the end with requirements for students to build a revision poster at the end.
OCR Computer Science 1-9 - Networks - Layering
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OCR Computer Science 1-9 - Networks - Layering

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This Network Layering task breaks down the need for it and includes a complementary worksheet which requires students to answer a series of 4 questions. Diagrams are included to support sayings and keywords are highlighted. It talks about rules, protocols, TCP/IP and it also explains what happens at each layer. This includes application, transport, internet and network and they also need to consider the different communication rules. It includes some teacher notes to help the teacher and the diagrams can be printed from the slides and stuck into the students books.
A-Level Computer Science - Binary Pack (Bitwise, Twos Complement, Addition, Subtraction, Floating...
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A-Level Computer Science - Binary Pack (Bitwise, Twos Complement, Addition, Subtraction, Floating...

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This is a pack of resources which are available to purchase individually. In this pack are some worksheets which break down data types in the OCR A-Level computer science. This is for section 1.4.1 of the Data types, data structures and algorithms. Included in this pack is: * Binary addition * Binary subtraction * Fixed point binary * Floating point binary * Normalisation of floating point binary * Bitwise operators All sheets come with answers for your own ease of use
Binary Subtraction - OCR - A-Level
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Binary Subtraction - OCR - A-Level

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This activity sheet breaks down how you can subtract binary numbers. It comes with the entire answer sheet and also shows candidates how to subtract in a step by step walk through. It talks about how you flip the bits and work out your answer. The answer sheet is clear and coloured so that you can spot the answers.
Big O Notation - Computer Science - OCR A-Level
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Big O Notation - Computer Science - OCR A-Level

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A Powerpoint presentation explaining Big O Notation. There are some examples of code and some graphs which help students visualise what is meant by exponential and the complexity of algorithms. This was useful to my year 13 students and hopefully it will help yours.
Python Christmas - Object Oriented
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Python Christmas - Object Oriented

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I have given this task out to some of my sixth form students in the past. It gives them 10 days of challenges. I usually give it out on the 15th and get them to explore their OOP programming using these challenges. This includes an answer sheet.
RO60 - Spreadsheet Skills Course
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RO60 - Spreadsheet Skills Course

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This resource introduces the creation of a spreadsheet to users with multiple videos. There are 7 Powerpoints with some activities to complete. Over 12 video tutorials which include the following skills. There is a learning Journey document which shows what they should have learnt as well as a curriculum planning sheet for your faculty. Formatting Formula Absolute Cell References Sorting / Filtering If Statements Freezing rows and columns Charts Conditional Formatting Pivot Tables Macros (3 Assessment Points with Tick sheets) Sample Assessment
1.1.1 - CPU - EXAM QUESTIONS -  OCR - AS Level / A Level Computer Science
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1.1.1 - CPU - EXAM QUESTIONS - OCR - AS Level / A Level Computer Science

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This is an assessment with answers including the structure and function of the processor. It includes: - (a) – The Arithmetic and Logic Unit; ALU, Control Unit and Registers (Program Counter; PC, Accumulator; ACC, Memory Address Register; MAR, Memory Data Register; MDR, Current Instruction Register; CIR). Buses: data, address and control: How this relates to assembly language programs. (b) – The fetch-decode-execute cycle, including its effect on registers. (c) – The factors affecting the performance of the CPU, clock speed, number of cores, cache. (d) – Von Neumann, Harvard and contemporary processor architecture.
Computer Science 1-9 - Networks Introduction - Part 2
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Computer Science 1-9 - Networks Introduction - Part 2

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Objective: - We’re learning to identify the hardware and classification linked with networks. This lesson includes notes in the teacher slides to help teachers understand the content they're delivering with links to videos and also embedded videos. During this lesson students will learn about: Client server models Client-Server Servers available Peer to peer networks Advantages and disadvantages Network hardware NIC Wireless access points Routers Switches Draw your own network diagram
Scheme of work planning sheet
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Scheme of work planning sheet

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When planning a curriculum you might want to use this sheet to help you when planning a curriculum for your school this is an example that I used for my department to help think about the curriculum.
OCR Computer Science 1-9 - Networks Introduction
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OCR Computer Science 1-9 - Networks Introduction

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Objective: - We’re learning to explain the benefits of using networks and to identify the different transmission media available. This scheme of work includes notes to help teachers understand the content and includes diagrams. Key things learnt throughout this lesson include: - What is the internet What is the world wide web What is a network with youtube clips to explain Different network types with videos Difference between a wan and a lan Other forms including PAN / MAN / SAN and VPN Transmission media such as UTP, FIbre optic, wireless Two worksheets with answers
Kodu Lesson 1 : - Introducing programming (KS2/KS3)
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Kodu Lesson 1 : - Introducing programming (KS2/KS3)

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This lesson does require some prior knowledge of Kodu but it gives you structure to start delivering the curriculum and it will allow you to break down each lesson and to start teaching the students different items step by step. There are opportunities for students to think about what is needed for a game. There is a worksheet to help them to start thinking about what they're going to need to include in their own game. Once you've introduced this, teach the students how to create characters, worlds, objects and how to write a simple piece of code. Students are required to use the worksheet as they work through this PowerPoint with the teacher. This is a sample lesson to get you started and can be used for KS2 or KS3.