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25 End of Unit Assessment - Data Representation

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This lesson draws the whole unit of work on Data Representation to a close. Start with providing students the opportunity to complete the assessment task under test conditions then when work is marked, use the lesson plan (LP) is an opportunity for Dedicated Improvement and Reflection Time (DIRT). Students will understand the correct answers to the questions on the assessment, and then complete 3 targets set by the teacher in their feedback. There is a marksheet (XLSX) to record student scores and to analyse class performance. Learning Mat (LM) Worksheet is supplied as PPT, PPTX and PDF formats. Lesson Plan (LP) is supplied as PPT, PPTX and PPT Slideshow. Note that PPT files may lose some functionality.

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16 Arithmetic Binary Shifts

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This lesson is the 8th in a series of lessons that helps students understand the fundamentals of binary numbers and binary arithmetic. This lesson is appropriate for the Edexcel GCSE Computer Science course and for students studying for higher grades. It builds on the previous lesson where students compared binary multiplication with denary multiplication. This lesson demonstrates one method for working with signed integers represented in binary format. Learning Mat (LM) Worksheet is supplied as PPT, PPTX and PDF formats. Lesson Plan (LP) is supplied as PPT, PPTX and PPT Slideshow. Note that PPT files may lose some functionality.

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10 Binary to Denary

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Second in a sequence of lessons that ask students to consider how data is stored and manipulated on a computer under the topic of data representation. Fully resourced lesson and detailed lesson plan including numeracy and literacy links. Range of activities. No computer needed. Learning Mat (LM) Worksheet is supplied as PPT, PPTX and PDF formats. Lesson Plan (LP) is supplied as PPT, PPTX and PPT Slideshow. Note that PPT files may lose some functionality.

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21 Digital Sound Files

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This lesson forms part of a unit of work that enables students to understand how text, images and sound are stored and edited on a computer. This lesson focuses on sound recordings and asks students to understand how a digital sound recording can never be as high quality as original sound, and tests them on how the sound recording can be improved in quality. Learning Mat (LM) Worksheet is supplied as PPT, PPTX and PDF formats. Lesson Plan (LP) is supplied as PPT, PPTX and PPT Slideshow. Note that PPT files may lose some functionality.

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43 Internet Structure

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This lesson is the 4th in a series of lessons designed to improve students’ understanding of how networks are organised. In this lesson students develop their understanding of key vocabulary such as IP addresses and the role of the router in transferring data between computers. It involves recall of key information from lesson 2 in the unit. Students are asked to describe the handshake process, discuss the format of data packets, and consider possible errors in transmission of data. This lesson is provided in PPTX, PPTS, PPT formats. The learning mat is provided in PPTX, PPT and PDF formats. Some animation and image features may be lost in PPT formats. A homework task is also included in this lesson.

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41 Types of Networks

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This is the second in a sequence of lessons that introduce students to the principles of network organisation and the reasons why networks are used. This lesson looks at the differences between LAN and WAN, introduces the idea of a PAN, and also considers the role of the router in creating a LAN. The lesson plan is provided in PPTX, PPTS and PPT format, although some image and animation settings lose functionality in the older version of PowerPoint. The learning mat (worksheet) is also available as a PDF version. This will print on A3 paper.

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39 Computer components

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Familiarise your students with how hardware and software components integrate and interact in a computer system. The unit of work takes students on a journey of understanding of internal components of computer systems: primary memory, CPU, with secondary storage and a description of an embedded system. The unit then develops by looking at OS software, utility programs and considers the importance of developing robust software and how to identify vulnerabilities in a system. It closes by considering the differences between programming languages, and the different types of translators that are used to translate high-level code into machine code. The final lesson includes an assessment task and a lesson designed to get students to reflect on achievement and improve any gaps in understanding.

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30 CPU Performance

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This lesson is the fifth in a sequence of lessons and looks at processor performance when related to clock speed, number of cores and bus speed. There are a variety of activities, but the main demonstrate phase considers the language of exams and helps students to understand how much to write in exam style questions. The learning mat (worksheet) is provided in PPTX, PPT and PDF formats. The lesson plan is provided in PPTX, PPTS, PPT formats, though the user should note that some animation and image features lose some functionality in PPT format.

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29 Central Processing Unit

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This is a busy lesson and is fourth in a sequence of lessons that consider how computer systems integrate hardware and software. In this lesson, students consider what happens in the CPU during the fetch-decode-execute process. This lesson may need to be differentiated for some classes. There is an opportunity to consider how the registers work using the little man computer model using an online model. The lesson plan is provided in PPTX, PPTS and PPT format although some functionality (such as the video screen grab) is lost in PPT format so the screen grab is also provided separately. The worksheet (learning mat) is provided in PPTX, PPT and PDF formats.

36 High and Low Level Programming Languages

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36 High and Low Level Programming Languages

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This lesson is the 11th in a sequence of lessons that looks at how hardware and software are integrated on a computer system. This lesson looks at the differences between high and low level programming languages that can be used to create software. The lesson plan is provided in PPTX, PPTS and PPT formats, while the learning mat is available as PDF, PPTX and PPT files. Learning objective: Understand the characteristics and purposes of high and low level programming languages.

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A1a Ad hoc networks

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This is the first lesson in a sequence of lessons about modern use of technology. Students will be introduced to the terms ad hoc network and open Wi-Fi. They will be asked to describe some of the issues with open networks and compare a range of scenarios that may affect network availability. The lesson plan (LP) and learning mat (LM) are available as PPTX, PPT and PDF formats to ensure compatibility. Note that some animation features may not be available in PPT format.