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The Impact if the Internet

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The Impact if the Internet Unit 3_2 E-Commerce - Requirements Trained staff Electronic catalogue Search facility Secure payment methods Database of customer orders ... – PowerPoint PPT presentation

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Title: The Impact if the Internet


1
The Impact if the Internet
  • Unit 3_2

2
E-Commerce - Requirements
  • Trained staff
  • Electronic catalogue
  • Search facility
  • Secure payment methods
  • Database of customer orders (EDI)

3
File Transfer Protocol
  • Compacts data into packets
  • Errors are checked
  • Message is sent that its OK
  • Computer programs
  • Web pages
  • Music

4
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.

5
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

6
E-Commerce
  • Disadvantages to customer
  • Fraud
  • You cant feel or see the goods
  • May have to wait for delivery
  • Substitutes can be made

7
How to Access Information
  • Use the URL
  • Use hyperlinks
  • Use a search engine

8
Search Engines
  • Web Crawlers
  • Database
  • Key Words
  • Most relevant connection
  • Most popular site
  • Most authoritative site
  • Pay for sponsored link

9
Search Engines
  • And
  • OR
  • NOT
  • Exact match
  • Quotation

10
Search Engines
  • Relevance
  • Reliability
  • Accuracy
  • Bias
  • Precise
  • Appropriate for audience

11
Distributed Computing
  • Linking lots of less powerful computers together
    to replicate the power of a super computer.
  • Reduces cost
  • Computers can be anywhere
  • Improved performance
  • Security

12
Distributed Computing
  • SETI
  • The search for extra terrestrial intelligence
    uses huge amounts of power, but linked domestic
    computers can do the same job

13
Connecting to the Internet
  • Cable access
  • Dialup
  • Broadband
  • Mobile

14
Moral Issues
  • Deliberately misleading people
  • Bullying
  • Inappropriate websites
  • Spreading rumours

15
Ethical Issues
  • Plagiarism
  • Spam
  • Big Brother
  • Using someone elses connection
  • Distorting reality the photoshop effect

16
Social issues
  • Privacy
  • Gambling addiction
  • Obesity
  • Addiction to games
  • Disenfranchisement
  • Call centres moving abroad
  • Closing shops

17
Ownership and control
  • Who is in control?
  • Offensive moi?
  • Censorship
  • Communities coming together
  • People drifting apart
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