What are the components of a hardware?

hardware is a collection term . All hardware components may be connected mechanically , electrically with each other . It includes the cables connector , power supply units and peripherals devices...

Hardware is as it sounds motherboard,pci cards, isa cards. these are hardware you need software to run them.

Physical pieces of a computer.

Motherboard, central processing unit (CPU), random access memory (RAM), Graphics Card (VGA Card), Hard Disk Drive (HDD), Optical Drive (DVD player), Case.

motherboard, processor, graphics card, RAM, hard drive