Unit 3 Revision Networks, Legislation, Digital Imaging and Animation

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Presentation transcript:

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

Unit 3 – Revision Topics Networks Legislation Digital Imaging Animation

Networks

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

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

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.

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

Exam Paper Questions Attempt the following questions in your past papers: March 2012 - 3 & 7 June 2012 - 2 & 8

Digital Imaging

Digital Imaging

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

Animation

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

Exam Paper Questions Attempt the following questions in your past papers: March 2012 - 2 & 5 June 2012 - 5

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

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