The evolution of mobile computing
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The Evolution of Mobile Computing. By Doug Chau CSE 91. Laptops. Osborne 1 was the first portable computer GRiD first laptop computer, with the calm shell design Compaq introduced the first IBM-compatible laptop, first laptop with hard drive and standard resolution screens

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Laptops l.jpg
Laptops

  • Osborne 1 was the first portable computer

  • GRiD first laptop computer, with the calm shell design

  • Compaq introduced the first IBM-compatible laptop, first laptop with hard drive and standard resolution screens

  • NEC first notebook style laptop

  • Apples PowerBook introduce many new features uses in today’s laptops


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New Innovations in Laptops

  • Better batteries – NiMH, Lithium Ion

  • Faster CPU – Laptop Based

  • Better Screens: Active-Matrix LCD

  • Thinner, shock resistence, high capacity, reliable hard drives

  • Internal modem and Ethernet card

  • Standard ports: serial, PS/2, parallel, USB

  • Wi-Fi enabled


Personal digital assistant pdas l.jpg
Personal Digital Assistant (PDAs)

  • Designed as personal organizers

  • Early PDAs were calculators with more functionality such as a date book or address book

  • Today’s PDAs have colored screens, Wi-Fi and BlueTooth enabled

  • Uses: Palm OS, Windows Mobile 5.0, RIM

  • Functions: play music, watch videos, act as a personal organizer, GPS navigation, sync with desktop computers, browse the internet, check and send email


Smartphones l.jpg
Smartphones

  • Cellular phones combined with a PDA

  • BlackBerry is a very popular smartphone, commands 25% of the PDA market, very addictive, runs the RIM OS

  • BlackBerry Enterprise Server, built-in to all BlackBerries, relays email to the users smartphones

  • Palm Treo is another popular smartphone, runs Palm OS, plans to have a model that connects to BES


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Wi-Fi

  • Wireless Fidelity

  • Designed originally as a cashier system in the Netherlands by NCR Corp/ AT&T Corp in 1991

  • Works by having the Access Point transmit a SSID, or a beacon to the client, client decides whether to connect or not

  • WaveLAN ran at 1 & 2 MBit/s

  • Current speeds of up to 108MBit/s

  • FON – Global Wi-Fi Network


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U3

  • U3(You: Simplified, Smarter, Mobile)

  • Runs Win2000 and XP applications on a USB drive

  • Founded in 2004 by M-Systems and SanDisk

  • Launch and Run without a trace


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