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Chris Porter's Shop

Average Rating2.48
(based on 15 reviews)

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.
Representing Images in Binary - Revision Worksheet
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Representing Images in Binary - Revision Worksheet

(0)
This is a worksheet which can be used by students to revise how images are represented by a computer, using binary. There are also additional activities which focus on colour depth and the differences between lossy and lossless compression. 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.
ASCII and UNICODE - Teacher Presentation
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ASCII and UNICODE - Teacher Presentation

(0)
A PowerPoint presentation which can be used by the teacher to teach the different character sets at KS3 or KS4. Learning Objectives 1) To understand how to convert binary into a characters, using both ASCII and UNICODE. 2) To understand the purpose of a character set within a computer.
Operating Systems - Revision Worksheet
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Operating Systems - Revision Worksheet

(0)
A revision worksheet for pupils studying GCSE and A Level Computer Science. It covers the purpose of an operating system, asks pupils to identify typical features of an operating system, and asks them to state the purpose of a GUI and CLI. Learning Objective To understand the purpose of an operating system and why it is essential for a computer to operate.
GCSE Computer Science - Revision Checklist
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GCSE Computer Science - Revision Checklist

(0)
An ideal resource for those students currently preparing for their GCSE Computer Science exam. It covers all the theory that they must learn, including: Hardware Databases Algorithms and Programming Software Data Representation Networking
GCSE and A Level Computer Science Posters
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GCSE and A Level Computer Science Posters

4 Resources
A collection of excellent posters for GCSE and A Level Computer Science. The following posters are included in the bundle: 1) Networking Keywords 2) TCP/IP Protocol Stack 3) Units of Storage 4) Utility Programs
File Formats - Worksheet and Answers
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File Formats - Worksheet and Answers

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Two worksheets containing a list of different file formats (e.g. mpg, html, and mp3). The class must find the description that matches each file format. Also, a PowerPoint presentation is include that contains the answers.
Binary Addition - Revision Worksheet
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Binary Addition - Revision Worksheet

(7)
A revision worksheet for those students preparing for their GCSE Computer Science exam. The sheet focuses on binary addition with 4 and 8 bit binary numbers. Also suitable for KS3 and A-Level students.
Central Processing Unit (CPU) and Memory - Revision Worksheet
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Central Processing Unit (CPU) and Memory - Revision Worksheet

(1)
A two page worksheet which focuses on the CPU, Fetch-Decode-Execute Cycle, and Memory (RAM and ROM). Activities include labelling the different stages of the FDE cycle and comparing the similarities/differences between a games console and desktop computer. An ideal worksheet for those studying GCSE or A Level Computer Science. 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. 3) To be able to describe the differences between different types of main memory and their purpose within a computer system. 4) To understand the purpose of virtual memory within a computer.
Databases and Entity Relationships - Teacher Presentations
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Databases and Entity Relationships - Teacher Presentations

(1)
A PowerPoint presentation which can be used by the teacher to teach their students about the purpose of a databases, entity relationship diagrams (with examples), and normalisation at KS5. Ideal for those studying A Level Computer Science 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 understand the need for entity relationships and to be able to identify the need for normalisation.
Fetch-Decode-Execute Cycle - Teacher Presentation
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Fetch-Decode-Execute Cycle - Teacher Presentation

(0)
A PowerPoint presentation which can be used by the teacher to be able to demonstrate how the fetch-decode-execute cycle functions within the CPU, at KS4 or KS5. Learning Objectives 1) To understand the purpose of the CPU and be able to explain how it typically functions when fetching and decoding instructions. 2) To be able to identify and explain the key differences between an address, control and data bus.
Secondary Storage Devices - Teacher Presentation
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Secondary Storage Devices - Teacher Presentation

(1)
A PowerPoint presentation which can be used by the teacher to teach Secondary Storage Devices at KS3 or KS4. 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. The presentation includes a classroom based activity, which requires students to research a range of devices and present the information.
Representing Sound in Binary - Teacher Presentation
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Representing Sound in Binary - Teacher Presentation

(0)
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.
HTML, CSS and Javascript - Teacher Presentation
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HTML, CSS and Javascript - Teacher Presentation

(1)
A PowerPoint presentation which can be used by the teacher to teach the purpose of HTML, CSS and Javascript in the development of webpages at KS3, KS4, or KS5. Learning Objective 1) To understand the purpose of both html and css when creating a web page. 2) To be able to identify the purpose of JavaScript and to understand the difference between client-side and server-side languages.
Secondary Storage Devices - Revision Worksheet
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Secondary Storage Devices - Revision Worksheet

(0)
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.
Logic Gates and Circuits - Revision Worksheet
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Logic Gates and Circuits - Revision Worksheet

(1)
A revision worksheet for those students preparing for their GCSE Computer Science exam. The sheet presents a series of activities which focus on the AND, OR, and NOT gates. Also suitable for A-Level students. Learning Objectives 1) To be able to describe how data is stored within a computer in binary form. 2) To be able to produce truth tables for the following logic gates: NOT/AND/OR