Computer components

Computer components

1. A CPU processes information

   • This happens in the Fetch Decode and Execute system
   • One cycle per second= 1 hertz
     • 1000 hertz= 1 kilohertz
     • 1,000,000 hertz = 1 Megahertz
     • 1 billion hertz= 1 gigahertz

2. A ram stores data whilst powered

   • A ram can access memory randomly
   • Random-access memory

3. A fan cools the components that may get hot

4. A motherboard connects all the components

5. A power supply supplies power to the components

6. A floppy drive reads and writes from floppy disks

7. Hard drive reads and writes data onto metal platters

8. An optical drive reads and writes data on compact discs

9. Rom stands for read only memory

   • RAM Stands for random access memory
   • Stores data whilst powered off