Unit One - Home and Personal Communication System

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  • Home and Personal Commun-ication Systems
    • The Internet
      • Advantage - tasks can now be performed at home, make new friends, empower the disabled
      • Disadvantage - new types of criminals such as theft, damage or fraud
    • Dial-Up
      • Advantage - can dial up from different locations
      • Disadvantage - slow download speeds
    • Broadband
      • Advantage - fast download speed
      • Disadvantage - greater risk of hacking
    • Cable
      • Advantage - constant high speed link
      • Disadvantage - expense of laying cables
    • Satellite
      • Disadvantage - relies on line-of-sight
      • Advantage - no need for expensive cables
    • Mobile
      • Advantage - no need for cables
      • Disadvantage - not all areas have coverage
    • Geographical Information System
      • Advantage - plan quickest route, save money on fuel
      • Disadvantage - can take you down narrow roads, could lose signal

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