Wednesday, December 1, 2010

summarizing what we have learn about the computer

  COMPUTER Is  programmable machine

Different parts of personal computer(PC)

    ♥motherboard
    ♥CPU
    ♥memory(RAM)
    ♥hard drive
    ♥video card

Types of computers

    ♥minicomputer
             -is a powerful computer that can supports many users at once.
    ♥supercomputer
             -is a machine that can process billions of instructions a second
             -used to calculate extremely complex calculations

Activities of computer

  ☻Input
          - is any peripheral (piece of computer hardware equipment) used to provide data
   ☻Processing
          - is any process that uses a computer program to enter data and summarise and analyse
   ☻Storage
         - the process of storing information in a computer memory or on a magnetic tape or disk
   ☻Output 
         - is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system (such as a computer) to the outside world.

Inside the computer case

  
BIOS
(Basic Input-Output System or Basic Itegrated Operating system)
      -one of the important parts that the motherboard holds.
         -it refers to the software run by a computer when it is first turned on.
POST
(Power-on-self-test)
      -the purpose of boot process is to perform a set of diagnostic test