Slide 1: Mobile Computing
Slide 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)
Slide 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...
Slide 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.
Slide 5: Aspects
• Mobile communication • Mobile hardware • Mobile software
Slide 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.
Slide 7: Mobile hardware
Mobile software
Slide 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.
Slide 9: Mobile computing
• Portable technologies. • Internet access on the go. • Laptops, PDAs, standard cell phones. • Indispensable way of life.
Slide 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.
Slide 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.
Slide 12: Others
• Cloud computing. • Use website services from mobile computers. • Access to a company’s VPN by tunneling through Internet.
Slide 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.
