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Unit 3 Revision Networks, Legislation, Digital Imaging and Animation

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Presentation on theme: "Unit 3 Revision Networks, Legislation, Digital Imaging and Animation"— Presentation transcript:

1 Unit 3 Revision Networks, Legislation, Digital Imaging and Animation
GCSE ICT Unit 3 Revision Networks, Legislation, Digital Imaging and Animation

2 Unit 3 – Revision Topics Networks Legislation Digital Imaging
Animation

3 Networks

4 Networks LAN and WAN Advantage Disadvantage Share Hardware
Cost of Network Manager Share files Viruses Hacking issues LAN and WAN

5 Networks Network Card Switches Intranet Extranet Internet Router
Key terms LAN WAN Topologies Bus Ring Star Network Manager Viruses Share Hardware Share files Network Card Switches Intranet Extranet Internet Router Packet Switching Gateways Bridges

6 Legislation - The Data Protection Act
Data must be processed legally. Data must be used for a specific purpose. Data should be the minimum required for the purpose. Data must be accurate and up to date. Data should be kept for a suitable length of time. Data subjects should be able to see data stored about them. Data should be safe and secure. When transferring data, countries need similar laws to the DPA.

7 Legislation Data Protection Act Electronic Communications Act
Key terms Data Protection Act Data Subjects Data Holders Rules Exemptions Rights Computer Misuse Act Investigatory Powers Act Electronic Communications Act Health and Safety at Work Act

8 Exam Paper Questions Attempt the following questions in your past papers: March & 7 June & 8

9 Digital Imaging

10 Digital Imaging

11 Digital Imaging Bitmap Vector Pixels Equation File Size Upload Times
Key terms Bitmap Vector Pixels Equation File Size Upload Times Compression Optimisation Resizing image Pixelated Limited colours Backgrounds (White, Colour, Transparent) BMP JPEG GIF TIFF Transparency Red Eye removal Colour effects

12 Animation

13 Animation Persistence of vision Stop motion Claymation
Key terms Persistence of vision Stop motion Claymation Key Frame (Flash) Tweening 3D Frame rate Looping Rotoscoping Onion Skinning

14 Exam Paper Questions Attempt the following questions in your past papers: March & 5 June

15 March 2012 – Questions March 2012 2. Bitmap/Vector & Photo Editing
3. Networks 5. Animation 7. Legislation (DPA)

16 June 2012 – Questions June 2012 2. Networks 5. Animation
8. Legislation (DPA)

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