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Chris Porter's Shop

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An experienced teacher who has been working in education for over 10 years. I'm currently Head of Computer Science and IT, whilst responsible for teaching at KS4 and KS5.

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An experienced teacher who has been working in education for over 10 years. I'm currently Head of Computer Science and IT, whilst responsible for teaching at KS4 and KS5.
Databases and SQL - Revision Worksheet
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Databases and SQL - Revision Worksheet

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A revision worksheet for those students preparing for their GCSE Computer Science exam. They follow SQL statements to determine which football teams would appear in the results (suitable for those studying A Level as well). On the reverse side they must research a series of database related keywords and complete some activities. Learning Objectives 1) To have a better understanding of the purpose of a database and to be able to explain some of the related key terms. 2) To be able to use SQL effectively within a database to locate specific data.
Representing Sound in Binary - Teacher Presentation
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Representing Sound in Binary - Teacher Presentation

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A PowerPoint presentation which can be used by the teacher to demonstrate how sound can be represented at KS3 or KS4. Learning Objectives 1) To understand how a sound can be represented on a computer. 2) To understand how sound can be converted into a suitable format for a computer. A worksheet is also include so students can do some additional research around the representation of sound.
High and Low Level Languages - Teacher Presentation
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High and Low Level Languages - Teacher Presentation

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A PowerPoint presentation which can be used by the teacher to teach the differences between High and Low Level Languages at KS3 or KS4. Learning Objectives 1) To be able to explain the differences between high level and low level languages. 2) To know purpose of both a interpreter and compiler when translating between high level and low level languages.
Units of Storage - Teacher Presentation
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Units of Storage - Teacher Presentation

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A PowerPoint presentation which can be used by the teacher to demonstrate the different units of storage at KS3 or KS4. Learning Objective 1) To understand how data is measured and why this is important.
Representing Images in Binary - Teacher Presentation
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Representing Images in Binary - Teacher Presentation

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A PowerPoint presentation which can be used by the teacher to demonstrate how to represent images in Binary at KS3 or KS4. Learning Objectives 1) To understand how a combination of pixels can be used to represent an image. 2) To be able to explain key technical terms (such as colour depth, metadata, and resolution) in relation to representing images using binary. A separate worksheet is included so students can search the purpose of metadata.
Central Processing Unit - Teacher Presentation
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Central Processing Unit - Teacher Presentation

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A PowerPoint presentation which can be used by the teacher to teach the purpose of purpose of the CPU and explain how it functions at KS3 or KS4. Learning Objectives 1) To understand the purpose of the central processing unit and be able to explain how it functions. 2) To identify factors that would affect the performance of the CPU.
Expressing Numbers in Binary and Hexadecimal - Teacher Presentation
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Expressing Numbers in Binary and Hexadecimal - Teacher Presentation

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A PowerPoint presentation which can be used by the teacher to demonstrate how to express numbers in both Binary and Hexadecimal at KS3 or KS4. Learning Objectives 1) To understand how binary can be used to represent numbers within a computer. 2) To be able to convert denary to binary and vice versa. 3) To be able to convert a representation of binary into hexadecimal.
RAM and ROM - Teacher Presentation
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RAM and ROM - Teacher Presentation

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A PowerPoint presentation which can be used by the teacher to teach the differences between both RAM and ROM at KS3 or KS4. Learning Objectives 1) To be able to describe the differences between different types of main memory and their purpose within a computer system. 2) To understand the purpose of virtual memory within a computer.
Data Representation - Teacher Presentations
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Data Representation - Teacher Presentations

7 Resources
A collection of PowerPoint presentations for teachers to teach a range of topics related to data representation. This includes binary, hexadecimal, units of storage, representing sound, and character sets.
Secondary Storage Devices - Revision Worksheet
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Secondary Storage Devices - Revision Worksheet

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A revision worksheet for those students preparing for their GCSE Computer Science exam. They are asked a series of questions that focus on optical, magnetic, and solid state storage devices. One task requires that they label the different components of a hard drive. Also suitable for A-Level students. Learning Objectives 1) To understand the purpose of secondary storage and to be able to identify examples of such devices. 2) To be able to identify the advantages and disadvantages of magnetic, solid state, and optical storage devices.
Different Types of Network and Network Topologies
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Different Types of Network and Network Topologies

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A two page worksheet which focuses on the Different Types of Network and Network Topologies. Activities include identifying and drawing different topologies and describing both LAN/WAN. An ideal worksheet for those studying GCSE or A Level Computer Science. Learning Objectives 1) To be able to describe the purpose of a network and identify a range of advantages and disadvantages behind their use. 2) To understand the differences between different types of network. 3) To be able to identify different topologies that are used to physically connect together devices on a network.
IP Addressing, DNS and Data Packets
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IP Addressing, DNS and Data Packets

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A PowerPoint presentation that can be used by a teacher to explain IP addressing, packet switching and domain name systems. An ideal resource for those teaching GCSE Computer Science or A Level. Learning Objectives To have a better understand how to identify individual devices on a network. To be able to explain how data is transmitted successfully across the internet.