The Impact if the Internet Unit 3_2. E-Commerce - Requirements Trained staff Electronic catalogue...
Transcript of The Impact if the Internet Unit 3_2. E-Commerce - Requirements Trained staff Electronic catalogue...
The Impact if the InternetUnit 3_2
E-Commerce - Requirements
Trained staff Electronic catalogue Search facility Secure payment methods Database of customer orders (EDI)
File Transfer Protocol
Compacts data into packets Errors are checked Message is sent that its OK
Computer programs Web pages Music
E-Commerce
Advantages to Industry No need for high street presence
saving costs From personnel and shop. Much wider audience Just in time delivery Storage of customers’ details is a
valuable marketing tool.
E-Commerce
Advantages to customer Allows 24/7 access Shop from anywhere I world from
home No need to leave home Can have good delivered (to a friend) Specialist items easier to source Goods are often cheaper Comparison is easy
E-Commerce
Disadvantages to customer Fraud You can’t feel or see the goods May have to wait for delivery Substitutes can be made
How to Access Information
Use the URL Use hyperlinks Use a search engine
Search Engines
Web Crawlers Database Key Words Most relevant connection Most popular site Most authoritative site Pay for sponsored link
Search Engines
And OR NOT Exact match Quotation
Search Engines
Relevance Reliability Accuracy Bias Precise Appropriate for audience
Distributed Computing
Linking lots of less powerful computers together to replicate the power of a super computer.
Reduces costComputers can be anywhereImproved performance
Security
Distributed Computing
SETI
The search for extra terrestrial intelligence uses huge amounts of power, but linked domestic computers can do the same job
Connecting to the Internet
Cable access Dialup
Broadband Mobile
Moral Issues
Deliberately misleading people Bullying Inappropriate websites Spreading rumours
Ethical Issues
Plagiarism Spam Big Brother Using someone else’s connection Distorting reality – the photoshop
effect
Social issues
Privacy Gambling addiction Obesity Addiction to games Disenfranchisement Call centres moving abroad Closing shops
Ownership and control
Who is in control? Offensive moi? Censorship Communities coming together People drifting apart