Introduction to Computers

Physical Parts of a Computer

Objectives By the end of this lesson, you should be able to: State and explain various physical parts of a computer

Physical Parts of a Computer

Keyboard - it is a keying input device used to enter data into a computer

system unit - this is the box-like casing that houses the CPU  and the motherboard together with other electronic components. System units are of two types namely:

  1. Tower
  2. Desktop

Mouse - is a pointing input device used to move the pointer on the screen and also used to execute commands by pressing its buttons

Monitor - used to display results of information processing (output) and running programs.

Peripheral devices - refers to the physical devices connected to the systems through ports e.g printers, speakers, flash disks, keyboards, monitors