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.

Personal computer hardware [Part 1]

Computer hardware refers to the physical parts of a computer and related parts.

Computer case

It is the enclosure that contains the main parts of the computer. They are usually made of steel or alluminum.

Power supply unit

It converts main AC to low-voltage regulated DC power for the internal components of a computer.

Processor

Also called CPU, the processor is the part of the computer which executes software program instructions.

Motherboard

It is the main circuit board where major system components plug in directly onto or cable.