Intranets

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Intranets Internet

• Advantages Disadvantages

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Learning Objectives

• Identify the advantages and disadvantages of
  using the Internet.
• Describe the characteristics and uses of
  intranets and the Internet.

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Intranets

• A web site which is used internally within a
  company or organisation and not intended for
  access by people outside this.
• An intranet's Web sites look and act just like
  any other Web sites, but the firewall surrounding
  an intranet fends off unauthorized access.
• Like the Internet itself, intranets are used to
  share information.

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Internet

• The Internet is worldwide and intended to be
  accessed by anybody.
• A global network connecting millions of
  computers.
• More than 100 countries are linked into exchanges
  of data, news and opinions.

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Advantages

• Convenience
• accessible at home, work, or through a wireless
  device
• Easy to contact other people no matter where they
  are.
• Access to other cultures
• Access to a vast amount of information
• Can be used Night or Day - it never stops
• Can be used to learn (or teach)
• Makes it possible to Telework
• Possible to buy and sell things online

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Advantages

• Can present their work more neatly
• Pupils can share ideas
• Less waste of paper

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Disadvantages

• Must have a home computer
• Transmission of viruses
• Must have Internet / Modem
• Must remember passwords / usernames
• Pupils can copy off others

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Disadvantages

• Undesirable sites may be accessed
• Have to pay for internet access
• May receive unsolicited e-mails from undesirable
  characters
• Health reasons
• Demand on equipment
• Can waste time exploring unreliable sites
• Can get distracted playing games

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TASK B DOCUMENT PRODUCTION

• Students -- ICT -- IGCSE Intranets Internet

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Plenary

• What are the advantages and disadvantages of
  using the Internet?