Personal computer hardware [Part 3]

Video card

It is also called graphics card and it function is processing the graphics output from the motherboard and send it to the display.

Keyboard

A keyboard is an arrangement of buttons that corresponds to a number, function or letter. It is the main input for typing text but it is also used for playing videogames on the computer.

Mouse

It is a small slideable devide which is used to click and drag items on the computer's display.

Personal computer hardware [Part 2]

Main memory

It is a fast storage that is directly accesible by the processor. The main memory is used to store the currently executing program and instantly needed data.

Hard disk

They storage data and programs even when there is no power but they require power to perform write and read usage.

Visual display unit

Also called computer monitor or just display, the visual display unit is a piece of electrical equipment which displays images from the computer.