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computing devices

1. desktop computer

   • DVD drive
   • mouce
   • keyboard
     • keyboards are used to impute characters while typing or entering commands. there may or may be a separate number key pad
   • main case
   • monitor
     • monitors are output devices used to display the task being worked on by the user
     • normal
       • standard monitor
         • most office monitors are the normal 4:3 as these allows most documents to be viewed normaly
     • wide screen
       • wide screen monitors can be more suited to playing games and watching movies
     • rotation monitors allow A4 documents to be viewed in there entirety

2. portable computing devices

   • laptop computor
     • a laptop computer has an integrated screen, keyboard and pointing device. laptops allow the user to carry out most office tasks wile away from the office. the wire less connection allows the user to access emails, instant messaging, live web chat, browsing the internet and viewing the photographs
   • notebook
     • a notebook computer is smaller than a desktop computer and often has lower specifications. notebook don't usually have optical drives so they can be made smaller and lighter
   • smart phone
     • A smart phone combines a voice telephone, a personal digital assistant, a web browser, a calendar and a direly, a digital camera, a GPS system, a media player and the ability to run 'apps' to carry out tasks
   • tablet compuor
     • tablet computers are portable devices that usually have no pointing devises or physical keyboard. a touchscreen allows the user to move the pointer or to use a on-screen keyboard to carry out tasks