computing devices and their use in businesses

computing devices and their use in businesses

1. desktop computer

2. portable computing devices

   • laptops
     • laptops allow the user to be mobile but, are easily damaged while being moved and are easy to steal.
   • netbooks
     • netbooks allow the user to be mobile but, like laptops, are easily damaged while being moved and are easy to steal. they usually have a low specification so software applications that need fast processors and a lot of memory run slower or maybe not at all.
   • tablet computers
     • most office tasks can be done on tablet computers but, users can find this awkward or difficult as the software may work different ways than on desktops or laptops.
   • smartphones
     • a smartphone is a mobile computer system that combines.

3. components of a typical desktop computer

   • monitor
     • monitors display the results of computer processing to the user. they can display characters as they are typed, video as it is played or can be used for watching CCTV images.
   • keyboard
     • a keyboard has keys that are labelled with characters set out in a pattern. it is used to enter characters such as letters, punctuation marks, numbers, and symbols. it can be used to enter commands into the computer or for typing letters, memos, reports or entering data into spreadsheets or database
   • mouse
     • a mouse is used to move a pointer on screen and has one or more buttons that are clicked to choose items from an on-screen menu and select items by clicking.
   • main case
   • dvd drive