how computers work

how computers work

1. input devises

   • something that you put into the computers to send info to it
   • keyboards
   • mouse
   • scanner

2. out put devises

   • put something into a computers to send info
     • info
   • monitor
   • printer
   • speaker
   • projecter

3. CPU

   • Executes programs using the fetch-decode-execute cycle. It’s a bit like the brain of the computer,

4. Storage

   • Storage is where your files and computer programs are kept permanently so that you can get hold of them at any time. They won't be lost when the computer is switched off.

5. Binary is a number system that only uses two digits: 1 and 0. All information that is processed by a computer is in the form of a sequence of 1s and 0s. Therefore, all data that we want a computer to process needs to be converted into binary.

6. Memory

   • Stores program operations and data when a program is being executed.

7. Motherboard This is the main printed circuit board which computer components are plugged into.