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I started out as a science teacher and made the transition to teaching ICT and Computer Science, which I have now been doing for over 20 years. I have also worked with primary school teachers to support their delivery of the national curriculum in computing. Edulito is a UK based educational publishing company that provides learning resources for school-aged children. All of the available resources have been tested in UK schools.

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I started out as a science teacher and made the transition to teaching ICT and Computer Science, which I have now been doing for over 20 years. I have also worked with primary school teachers to support their delivery of the national curriculum in computing. Edulito is a UK based educational publishing company that provides learning resources for school-aged children. All of the available resources have been tested in UK schools.
34 HOMEWORK ACTIVITIES - AQA GCSE COMPUTER SCIENCE 8525 (FROM 2020)
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34 HOMEWORK ACTIVITIES - AQA GCSE COMPUTER SCIENCE 8525 (FROM 2020)

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This pack consists of 34 editable homework/classwork activities that can be used to support your delivery of the course. In addition, the homework bundle also contains a suggested mark scheme for each activity. Unit 3.1 · Decomposition and Abstraction · Flowcharts and High-Level Languages · Sorting Data · Sorting & Searching Programs Unit 3.2 · Selection · Iteration · Arrays (Lists) · Functions · Improving Programs · Testing Unit 3.3 · Data Capacity · Conversions · Compression Unit 3.4 · Components of a CPU · CPU Performance · Embedded Systems · Operating Systems · Utility Software · Boolean Logic and Truth Tables · Logic Gates · Programming Languages Unit 3.5 · LANs and WANs · Wired & Wireless Networks · Star & Bus Topology · Network Protocols · The Concept of Layers Unit 3.6 · Malware · Cyber Threats · Network Vulnerabilities Unit 3.7 · Relational Databases · Relational Databases and SQL Unit 3.8 · The Impact of Technology · The Digital Divide · Impact of New Technology
Python Programming for GCSE Bundle
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Python Programming for GCSE Bundle

4 Resources
This bundle will take you from the very basics of programming using Python through to making a simple board game and database. It includes: Using Variable, Data Types and String Manipulation Sequences, Selection and Iteration (Loops) Use of Lists (Arrays) and File Handling Creating a Simple Board Game and a Database
TEACHER POWERPOINTS: UNIT 1.1 SYSTEMS ARCHITECTURE J277 (FROM 2020)
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TEACHER POWERPOINTS: UNIT 1.1 SYSTEMS ARCHITECTURE J277 (FROM 2020)

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These adaptable PowerPoint Presentations (62 Slides) cover all aspects of the specification in relation to OCR GCSE Computer Science J277 (from 2020) component 1.1. It includes: · Teaching PowerPoint (includes checkpoint questions and answers) · Student PowerPoint (Includes checkpoint questions, but omits the answers) Content: The purpose of the CPU: The fetch-decode-execute cycle Common CPU components and their function: ALU (Arithmetic Logic Unit) CU (Control Unit) Cache Registers Von Neumann architecture: MAR (Memory Address Register) MDR (Memory Data Register) Program Counter Accumulator How common characteristics of CPUs affect their performance: Clock speed Cache size Number of cores
TEACHER POWERPOINTS: UNIT 1.3 COMPUTER NETWORKS, CONNECTIONS AND PROTOCOLS J277 (FROM 2020)
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TEACHER POWERPOINTS: UNIT 1.3 COMPUTER NETWORKS, CONNECTIONS AND PROTOCOLS J277 (FROM 2020)

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These adaptable PowerPoint Presentations (111 Slides) cover all aspects of the specification in relation to OCR GCSE Computer Science J277 (from 2020) component 1.3. It includes: Teaching PowerPoint Presentations (including checkpoint questions and answers) Part 1 – Networks & Topologies (66 slides) Part 2 - Wired & Wireless Networks, Protocols & Layers (45 slides) Student PowerPoint Presentations (Including checkpoint questions, but omits the answers) Part 1 – Networks & Topologies Part 2 - Wired & Wireless Networks, Protocols & Layers Content Covered: Types of network: LAN (Local Area Network) WAN (Wide Area Network) Factors that affect the performance of networks The different roles of computers in a client-server and a peer-to-peer network The hardware needed to connect stand-alone computers into a Local Area Network: Wireless access points Routers Switches NIC (Network Interface Controller/Card) Transmission media The Internet as a worldwide collection of computer networks: DNS (Domain Name Server) Hosting The Cloud Web servers and clients Star and Mesh network topologies Modes of connection: Wired - Ethernet Wireless Wi-Fi & Bluetooth Encryption IP addressing and MAC addressing Standards Common protocols including: TCP/IP (Transmission Control Protocol/Internet Protocol) HTTP (Hyper Text Transfer Protocol) HTTPS (Hyper Text Transfer Protocol Secure) FTP (File Transfer Protocol) o POP (Post Office Protocol) IMAP (Internet Message Access Protocol) SMTP (Simple Mail Transfer Protocol) The concept of layers
Network Topologies, Protocols and Layers Test - GCSE Computer Science
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Network Topologies, Protocols and Layers Test - GCSE Computer Science

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This photocopiable resource has been produced to ensure that your students are able to successfully complete their GCSE Computer Science GCSE (9-1), but can also be used by other exam systems. This test has been designed to provide a stimulating, engaging and effective way of assessing the progress of your students. As well as the topic test, you are also provided with a comprehensive marking scheme. Please be aware that there may be appropriate alternative answers to some of the questions, and it is therefore suggested that the teacher uses their discretion when marking students work.
14 TOPIC TESTS - OCR GCSE COMPUTER SCIENCE J277 (FROM 2020)
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14 TOPIC TESTS - OCR GCSE COMPUTER SCIENCE J277 (FROM 2020)

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This pack consists of 14 end of topic tests that can be used to support your delivery of the course. In addition, the topic test bundle also contains a mark scheme for each test. Unit 1.1 – 1 Test Unit 1.2 – 3 Tests Unit 1.3 – 2 Tests Unit 1.4 -1 Test Unit 1.5 - 1 Test Unit 1.6 - 1 Test Unit 2.1 - 1 Test Unit 2.2 - 1 Test Unit 2.3 - 1 Test Unit 2.4 - 1 Test Unit 2.5 - 1 Test
TEACHER POWERPOINTS: UNIT 3.3 FUNDAMENTALS OF DATA REPRESENTATION 8525 (FROM 2020)
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TEACHER POWERPOINTS: UNIT 3.3 FUNDAMENTALS OF DATA REPRESENTATION 8525 (FROM 2020)

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These adaptable PowerPoint Presentations (125 Slides) cover all aspects of the specification in relation to AQA GCSE Computer Science 8525 (from 2020) component 3.3. It includes: Teaching PowerPoints (including checkpoint questions and answers) - 125 Slides Student PowerPoints (Including checkpoint questions, but omits the answers) Content Covered: Understand the following number bases: • decimal (base 10) • binary (base 2) • hexadecimal (base 16). Understand that computers use binary to represent all data and instructions. Explain why hexadecimal is often used in computer science. Understand how binary can be used to represent whole numbers. Understand how hexadecimal can be used to represent whole numbers. Be able to convert in both directions between: • binary and decimal • binary and hexadecimal • decimal and hexadecimal. Know that: • a bit is the fundamental unit of information • a byte is a group of 8 bits. Know that quantities of bytes can be described using prefixes. Know the names, symbols and corresponding values for the decimal prefixes: • kilo, 1 kB is 1,000 bytes • mega, 1 MB is 1,000 kilobytes • giga, 1 GB is 1,000 Megabytes • tera, 1 TB is 1,000 Gigabytes. Be able to compare quantities of bytes using the prefixes above. Be able to add together up to three binary numbers. Be able to apply a binary shift to a binary number. Describe situations where binary shifts can be used. Understand what a character set is and be able to describe the following character encoding methods: • 7-bit ASCII • Unicode. Understand that character codes are commonly grouped and run in sequence within encoding tables. Describe the purpose of Unicode and the advantages of Unicode over ASCII. Know that Unicode uses the same codes as ASCII up to 127. Understand what a pixel is and be able to describe how pixels relate to an image and the way images are displayed. Describe the following for bitmaps: • image size • colour depth. Know that the size of a bitmap image is measured in pixels (width x height). Describe how a bitmap represents an image using pixels and colour depth. Describe using examples how the number of pixels and colour depth can affect the file size of a bitmap image. Calculate bitmap image file sizes based on the number of pixels and colour depth. Convert binary data into a bitmap image. Convert a bitmap image into binary data. Understand that sound is analogue and that it must be converted to a digital form for storage and processing in a computer. Understand that analogue signals are sampled to create the digital version of sound. Describe the digital representation of sound in terms of: • sampling rate • sample resolution. Calculate sound file sizes based on the sampling rate and the sample resolution. Explain what data compression is. Understand why data may be compressed and that there are different ways to compress data.
TEACHER POWERPOINTS BUNDLE: GCSE COMPUTER SCIENCE EDEXCEL 1CP2 - ALL TOPICS FROM 1 TO 6
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TEACHER POWERPOINTS BUNDLE: GCSE COMPUTER SCIENCE EDEXCEL 1CP2 - ALL TOPICS FROM 1 TO 6

9 Resources
These adaptable PowerPoint Presentations (750 Slides) provide complete coverage of all aspects of the specification in relation to Edexcel GCSE Computer Science 1CP2 (from 2020) - Topics 1 to 6. It includes: Teaching PowerPoints (including checkpoint questions and answers) - 750+ slides Student PowerPoints (Including checkpoint questions, but omits the answers) A Complete Guide to Python Programming (including student activities) The resources cover: Topic 1: Computational thinking – understanding of what algorithms are, what they are used for and how they work; ability to follow, amend and write algorithms; ability to construct truth tables. Topic 2: Data – understanding of binary, data representation, data storage and compression. Topic 3: Computers – understanding of hardware and software components of computer systems and characteristics of programming languages. Topic 4: Networks – understanding of computer networks and network security. Topic 5: Issues and impact – awareness of emerging trends in computing technologies, and the impact of computing on individuals, society and the environment, including ethical, legal and ownership issues. Topic 6: Problem solving with programming
Example Python Programming Project for GCSE - Quiz Board Game
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Example Python Programming Project for GCSE - Quiz Board Game

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This sample project is designed to provide a stimulating, engaging and effective way of preparing students for the Programming Project Component of the 9-1 GCSE in computer science. Students use Python to create a Quiz Board Game. Including: Sample project scenario Sample student solution Sample Python code
Python Games Bundle
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Python Games Bundle

4 Resources
These resource has been produced to teach 7 to 14 year olds about programming concepts by creating fun games using the text-based programming language Python. The activities and challenges have been designed to provide a stimulating, engaging and effective way of improving students’ knowledge of the core programming concepts.
TEACHER POWERPOINTS: UNIT 1.5 SYSTEMS SOFTWARE J277 (FROM 2020)
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TEACHER POWERPOINTS: UNIT 1.5 SYSTEMS SOFTWARE J277 (FROM 2020)

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These adaptable PowerPoint Presentations (33 Slides) cover all aspects of the specification in relation to OCR GCSE Computer Science J277 (from 2020) component 1.5. It includes: Teaching PowerPoints (includes checkpoint questions and answers) Student PowerPoints (Includes checkpoint questions, but omits the answers) Content Covered: The purpose and functionality of operating systems: User interface Memory management and multitasking Peripheral management and drivers User management File management The purpose and functionality of utility software Utility system software: Encryption software Defragmentation Data compression
TEACHER POWERPOINTS: UNIT 1.4 NETWORK SECURITY J277 (FROM 2020)
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TEACHER POWERPOINTS: UNIT 1.4 NETWORK SECURITY J277 (FROM 2020)

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These adaptable PowerPoint Presentations (42 Slides) cover all aspects of the specification in relation to OCR GCSE Computer Science J277 (from 2020) component 1.4. It includes: Teaching PowerPoint (includes checkpoint questions and answers) Student PowerPoint (Includes checkpoint questions, but omits the answers) Content Covered: Forms of attack: Malware Social engineering, e.g. phishing, people as the ‘weak point’ Brute-force attacks Denial of service attacks Data interception and theft The concept of SQL injection Common prevention methods: Penetration testing Anti-malware software Firewalls User access levels Passwords Encryption Physical security
TEACHER POWERPOINTS: UNIT 3.1 FUNDAMENTALS OF ALGORITHMS 8525 (FROM 2020)
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TEACHER POWERPOINTS: UNIT 3.1 FUNDAMENTALS OF ALGORITHMS 8525 (FROM 2020)

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These adaptable PowerPoint Presentations (74 Slides) cover all aspects of the specification in relation to AQA GCSE Computer Science 8525 (from 2020) component 3.1. It includes: Teaching PowerPoint Presentations (includes checkpoint questions and answers) -74 Slides Student PowerPoint Presentations (Includes checkpoint questions, but omits the answers) Content Covered: Understand and explain the term algorithm. Understand and explain the term decomposition. Understand and explain the term abstraction. Use a systematic approach to problem solving and algorithm creation representing those algorithms using pseudo-code, program code and flowcharts. Explain simple algorithms in terms of their inputs, processing and outputs. Determine the purpose of simple algorithms. Understand that more than one algorithm can be used to solve the same problem. Compare the efficiency of algorithms explaining how some algorithms are more efficient than others in solving the same problem. Understand and explain how the linear search algorithm works. Understand and explain how the binary search algorithm works. Compare and contrast linear and binary search algorithms. Understand and explain how the merge sort algorithm works. Understand and explain how the bubble sort algorithm works. Compare and contrast merge sort and bubble sort algorithms.
TEACHER POWERPOINTS: UNIT 3.4 COMPUTER SYSTEMS 8525 (FROM 2020)
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TEACHER POWERPOINTS: UNIT 3.4 COMPUTER SYSTEMS 8525 (FROM 2020)

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These adaptable PowerPoint Presentations (219 Slides) cover all aspects of the specification in relation to AQA GCSE Computer Science 8525 (from 2020) component 3.4. It includes: Teaching PowerPoints (including checkpoint questions and answers) - Student PowerPoints (Including checkpoint questions, but omits the answers) Content Covered: Define the terms hardware and software and understand the relationship between them. Construct truth tables for the following logic gates: • NOT • AND • OR • XOR. Construct truth tables for simple logic circuits using combinations of NOT, AND, OR and XOR gates. Interpret the results of simple truth tables. Create, modify and interpret simple logic circuit diagrams. Students will only need to use NOT, AND, OR and XOR gates within logic circuits. Students will be expected to understand and use the standard logic circuit symbols. Create and interpret simple Boolean expressions made up of NOT, AND, OR and XOR operations. Create the Boolean expression for a simple logic circuit. Create a logic circuit from a simple Booleanexpression. Explain what is meant by: • system software • application software. Give examples of both types of software. Understand the need for, and functions of, operating systems (OS) and utility programs. Understand that the OS handles management of the: • processor(s) • memory • input/output (I/O) devices • applications • security. Know that there are different levels of programming language: • low-level language • high-level language. Explain the main differences between low-level and high-level languages. Know that machine code and assembly language are considered to be low-level languages and explain the differences between them. Understand that all programming code written in high-level or assembly languages must be translated. Understand that machine code is expressed in binary and is specific to a processor or family of processors. Understand the advantages and disadvantages of low-level language programming compared with high-level language programming. Understand that there are three common types of program translator: • interpreter • compiler • assembler. Explain the main differences between these three types of translator. Understand when it would be appropriate to use each type of translator. Explain the role and operation of main memory and the following major components of a central processing unit (CPU) within the Von Neumann architecture: • arithmetic logic unit • control unit • clock • register • bus. Explain the effect of the following on the performance of the CPU: • clock speed • number of processor cores • cache size. Understand and explain the Fetch-Execute cycle. Understand the different types of memory within a computer: • RAM • ROM • Cache • Register. Know what the different types of memory are used for and why they are required. etc
TEACHER POWERPOINTS: UNIT 3.7 RELATIONAL DATABASES AND SQL 8525 (FROM 2020)
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TEACHER POWERPOINTS: UNIT 3.7 RELATIONAL DATABASES AND SQL 8525 (FROM 2020)

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These adaptable PowerPoint Presentations (23 Slides) cover all aspects of the specification in relation to AQA GCSE Computer Science 8525 (from 2020) component 3.7. It includes: Teaching PowerPoint Presentations (includes checkpoint questions and answers) - 23 slides Student PowerPoint Presentations (Includes checkpoint questions, but omits the answers) Content Covered: Explain the concept of a database. Explain the concept of a relational database. Understand the following database concepts: • table • record • field • primary key • foreign key. Understand that the use of a relational database facilitates the elimination of data inconsistency and data redundancy. Be able to use SQL to retrieve data from a relational database, using the commands: • SELECT • FROM • WHERE • ORDER BY…ASC | DESC Be able to use SQL to insert data into a relational database using the commands. INSERT INTO table_name (column1, column 2 …) VALUES (value1, value2 …) Be able to use SQL to edit and delete data in a database using the commands. UPDATE table name SET column1 = value1, column2 = value2 … WHERE condition DELETE FROM table_name WHERE condition
Python Video Tutorials #8 - The Use of Lists
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Python Video Tutorials #8 - The Use of Lists

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This lesson provides an introduction to the use of arrays in Python - These are called lists. The lesson goes through a range of techniques for manipulating and managing simple lists. The next lesson will cover 2D Arrays (2D Lists). Python and the Python Logo are trademarks or registered trade marks of the Python Software Foundation.
Python Video Tutorials #6 - The Use of Sequence and Selection
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Python Video Tutorials #6 - The Use of Sequence and Selection

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In this lesson you are introduced to two programming concepts - Sequence and Selection. You will learn how to use IF statements, IF then ELSE statements, IF and ELSE-IF statements and Nested IF. Python and the Python Logo are trademarks or registered trade marks of the Python Software Foundation.