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Mobile computing -- Introduction
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Mobile computing -- Introduction

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  • 1. Mobile Computing
  • 2. Definition
    • A technology that allows transmission of data, via a computer, without having to be connected to a fixed physical link.
    • ( Koudounas and Iqbal)
  • 3. Introduction
    • Emerging technology with intercross of many subjects.
    • Human–computer interaction to be transported during normal usage.
    • Hotspot in computing technology sector
    • One of the four far-reaching implications technologies.
    • New technology grwoing up with mobile communication, Internet, database, distributed computing...
  • 4. Purpose
    • Provide any clients at any time in any location with useful, accurate and timely information.
    • Altering people's life style and working method drastically.
  • 5. Aspects
    • Mobile communication
    • Mobile hardware
    • Mobile software
  • 6. Mobile communication
    • Communication between moving body, or moving body and fixed objects.
    • Features:
      • Mobility.
      • Complicated to propagate radio wave.
      • Severe noise and interference.
      • Complex system and network configuration.
  • 7. Mobile hardware Mobile software
  • 8. Mobile software
    • Run on handheld computers, PDAs, EDAs, smartphones and cellphones.
    • Popularity of these platforms has risen considerably since the first handheld computers invented in 1980s.
  • 9. Mobile computing
    • Portable technologies.
    • Internet access on the go.
    • Laptops, PDAs, standard cell phones.
    • Indispensable way of life.
  • 10. WiFi
    • Common, cheap
    • Radio waves used to broadcast Internet signal from wireless router.
    • Anyone can jump on if not encrypted.
    • Commonly used in public places to create hotspot.
    • Hotspot must be located, stay put within broadcasting range.
  • 11. Cellular broadband
    • Cellular modem or AirCard used to connect to cell towers.
    • AirCard fits into PC Card or ExpressCard slot, delivering Internet access on the go.
    • Needn’t remain stationary as signal remain strong.
    • Cell phones and PDAs also use it.
    • Access considered premium service which increases cost.
  • 12. Others
    • Cloud computing.
    • Use website services from mobile computers.
    • Access to a company’s VPN by tunneling through Internet.
  • 13. Importance
    • Increasing business value.
    • Staying connected.
    • Email to Facebook, Skype to socializing sites, cloud computing to VPNs,
    • No longer do without mobile computing anymore.

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