Fundemental Hardware for a Computer System

Fundemental Hardware for a Computer System

1. CPU

   • Processor
   • All the calculations take place
   • Takes inputs from input device, processes them and then outputs them through an output device.

2. RAM

   • Non-Permanent Memory
   • random access memory
   • Fastest form of memory
   • Store running programs and unsaved documents
   • operating system copied over to the RAM during the running of the device

3. Expansion cards

   • Graphics Card
     • Improves running of graphically intensive things, for example games
   • Sound card
   • Provides a service not already built into the motherboard

4. Hard disk drive

   • Stores and saves the permanent data on the computer
   • Being replaced by Solid State Drives (SSD)

5. Optical Drive

   • CD's
   • Data read and stored using a laser
   • Cheap and easy to use, but scratch and break

6. Mother board

   • everything connects to the motherboard