Computing devices

Computing devices

1. Portable computing devices

   • Netbook
     • A netbook computer is smaller than a laptop and often has a lower specification. Netbook do not normally have optical drives, so can be made smaller and lighter
   • Laptop computer
     • A laptop has an integrated screen,keyboard and pointing device. Laptops allow the user to carry it anywhere and use it anywhere.
   • Tablet
     • Tablet computer are portable devices that usually have no pointing device or physical keyboard. It has a touchscreen.
   • Smartphone
     • A smartphone combines a voice telephone, a personal digital assistant, a web browser, a calendar and a diary, Also a camea, a GPS system a media player and the ability to run apps.

2. Desktop computers.

   • Monitor
     • Computer and monitors are output devices and are used to display the tasks being worked on by the user.
     • Widescreen
       • A wide screen monitor is more suited to playing games and watching movies, than using it for office tasks.
     • Rotating monitors
       • Rotating monitors allow A4 page documents to be viewed in their entirely
     • normal
       • Most office monitors are the normal 4:3 screens as these allow most documents to be viewed in the normal proportions.
   • Keyboard
     • Keyboards are used to input characters while type or entering commands. They may or may not be separate number keypad.
   • Main case
     • The main case will contain components such as the motherboard, hard disk and power supply. It also contains the networked card and other needed componets.
   • Mouse
     • A mouse is an input device and is used to move the on-screen pointing device to wherever the user wants to on the screen.
   • DVD drive
     • A DVD drive is a storage device.
     • A DVD drive is used to read DVDs. usually, a DVD re-writer is fitted so that data can be written to DVD-RS and RWs.