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Exploring Web Technologies: Understanding Data Transmission and Web Browsers

Enhance technical knowledge on data transmission across the Internet and grasp how web browsers function. Delve into web page design principles for optimal user experience.

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Exploring Web Technologies: Understanding Data Transmission and Web Browsers

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  1. Web technologies Session 1

  2. Objectives for this unit • To develop participants’ knowledge, skills and understanding of web technologies • To consider progression in ‘Exchanging and sharing information’ through Key Stage 3 when designing and creating web pages and websites • To consider a range of approaches to teaching the use of web technologies in designing and creating web pages and websites

  3. Objectives for session 1 • To develop participants’ technical knowledge and understanding of how data are transmitted across the Internet • To understand how a web-browser works • To consider the links to Sample teaching unit 8.2

  4. Number of packets Number in sequence 1/15 One obje Data To AB From RD Origin Destination Packets, protocols and addresses Note: This is a simplified diagram to illustrate main concepts only.

  5. Bandwidth

  6. Designing web pages Web designers should remember: • file sizes of pages should be as small as possible, to enable them to be transmitted quickly • pages that are slow to load frustrate users who will then move on to another site • users may move on before images, sounds or video clips have downloaded.

  7. What does this mean for your teaching? • In pairs, reflect on the session so far and complete Handout 1.1.

  8. Objectives for session 1 • To develop participants’ technical knowledge and understanding of how data are transmitted across the Internet • To understand how a web-browser works • To consider the links to Sample teaching unit 8.2

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