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Unit 28 Web Design & Production

Yvonne Blankson

on 11 March 2013

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Transcript of BTEC Diploma LEVEL 3 ICT

? Create a presentation on the components outlined & ones of your own 1971 1977 1990 1995 1996 1998 2001 2004 2007 Email was invented PCs became available in shops & the first PC modem was made The very first dial-up internet becomes available Internet shopping is launched MSN Hotmail is launched Google is launched Wikipedia is launched Social networking emerged Mobile internet access became available ICT FACTS & Figures 2011 Do not use the internet in China & India

Mobile phone subcriptions

Households who have internet access

3G Population Coverage 65 %

6 Billion

1.8 Billion

45 % BTEC Diploma Level 3 ICT What will I study? The aim of this unit is to enable a learner to understand web architecture and the factors that affect its
performance and to be able to design and create interactive websites. ICT Themes Today's Lesson Objectives To know how to use a site plan to create a website To understand how video tutorials can help me build my site LO1 Hyperlinks Design Layout HTML CSS-Cascading Style Sheets Security Audio, Video, Gaming Blogs, Podcasts, VLogs, Information, Data, Presentation Security, Copyright, Data BITMAP-image made of pixels in a grid

VECTOR-image made up individual objects

JPEG-compressed image file

PNG-compressed raster image (used commonly on computer apps)

GIF-images made of up to 256 colours Unit Content... 1 Understand web architecture and components
Web architecture: Internet Service Providers (ISP); web hosting services; domain structure; domain name
registrars; worldwide web
Components: hardware eg web, mail and proxy servers; routers; software eg browser, email; Protocols:
transport and addressing eg TCP/IP; application layer eg HTTP, HTTPS, SMTP
Web functionality: Web 2.0; blogs; online applications; cloud computing Components of a Website LO2 LO2 Lit Ob To be able to add multiple pages to my site & link them using hyperlinks Unit 28 Web Design & Production TASK 1 File Structure- TASK 2 TASK 3 Write a report on the web architecture & components which allow the internet and websites to function 2 Understand the factors that influence website performance
User side factors: download speed; PC performance factors eg browser, cache memory, processor speed
Server side factors: web server capacity eg available bandwidth, executions to be performed before page
load, number of hits; file types eg bitmap, vector, jpg, gif, wav, mp3; avi, swf
Security: risks eg hacking, viruses, identity theft
Security protection mechanisms: firewalls; Secure Socket Layers (SSL); adherence to standards eg strong
passwords 3 Be able to design websites
Identification of need: nature of interactivity eg online transactions, static versus dynamic; client needs and
user needs eg image, level of security, development timescales, support, maintenance contracts, costs,
visibility on search engines; end user need eg appropriateness of graphics, complexity of site, delivery of
Design tools: concept designing eg mood boards, storyboarding; layout techniques eg frames, tables, block
level containers (DIV), inline containers (SPAN); templates; colour schemes; screen designs; other eg
outline of content
Software: markup languages eg HTML; client side scripting languages eg JavaScript, VBScript; features and
advantages of software languages; software development environments 4 Be able to create websites
Structure: layout of pages; navigation; format of content and cascading style sheets (CSS); interactive
features eg catalogue of products, shopping cart; images; animation
Content: proofed, correct and appropriate; information source; structured for purpose eg prose, bullets,
Tools and techniques: navigation diagram eg linear, hierarchy, matrix; building interactivity tools eg pseudocode
for client-server scripting; animation; audio/visual elements; ensuring compliance with W3C; metatagging;
cascading style sheets
Review: functionality testing eg user environments, links, navigation; content; check against user
requirements; user acceptance; audit trail of changes Assessment & Grading To improve skills in producing imaginative, interesting & thoughtful writing
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