1.2 Computer components

1.2 Computer components

1. Memory

   • ROM
     • Read only memory
       • Non volatile memory.
   • RAM
     • Random Access Memory
       • Typically used to store working data and machine code.
   • Cache
     • Cache is a hardware component that stores data.
     • there are two types of caching which are memory caching and disk caching.

2. Storage

   • Hard drive
   • Cloud
   • Solid state drive
   • USB flash
   • SAS
   • SCSI

3. Ports

   • Fibre channel
     • This is a high speed data transfer.
       • Delivery of raw block data.
   • SATA
     • SATA is a computer bus interface.
   • Network
     • Groups of two or more devices that can communicate.
   • USB
     • It is called a Universal Serial Bus.

4. Mother board

5. Processor

6. Expansion cards

   • Graphics card
     • It is a pierce of a computer that produces the image you see on a monitor.
   • Network cards
     • It's a electronic device that connects a computer to a computer network.
   • Sound card
     • A sound card used for producing sound on a computer
     • It can be heard through speakers and head phones