Classification of Computer System
Computer Hardware:- All the physical component that grouped together and form a complete system known as hardware. e.g:- PC - Case, motherboard, RAM, ROM, Hard Disk, Monitor, keyboard, mouse etc.
System Unit:- A system unit includes a board called a motherboard that holds a microprocessor chip (or a CPU), memory chips, and expansion slots. Electronic circuitry is printed on the board and it connects between two main parts of a microcomputer, the microprocessor and primary storage and other parts.
*MotherBoard is known as System Board.
A system unit includes the following parts:
- Memory Chips
- System Clock
- Expansion Slots and Cards