Overview over the

  H a r d w a r e  

CPT 105 · Franklin College · Erich Prisner · 2002-2007


There are four main components of the hardware of a computer:

CPU and Memory

CPU: Contains electronic circuits, should transfer "data" into "information".
Microprocessor chip for PCs.

Computer memory or primary storage, RAM: holds data temporarily before, during or after processing by the CPU. Holds also the programs needed by the CPU.

Peripheral devices

Input devices

Output devices

Secondary storage

like floppy disk, hard disk, CD, ...

Difference between primary and secondary storage

Secondary storage may be

Classification of Computers