The hardware is the physical components of the computer itself. Basically, they are things you can touch and see in a computer.
They include the electronic components, mechanical arid electro mechanical devices.
The major hardware components are:
(i) Processor — the central processing units (CPU) where data is processed following an ordered sequence of instructions (Program).
(ii) Input/output device — peripherals that help receive data from people and other sources into the computer for processing.
(iii) Storage components — disk drives, semiconductor memory, tape drives and others keep data for later use