Hardware

Hard disk

A hard disk is part of a unit, often called a "disk drive," "hard drive," or "hard disk drive," that stores and provides relatively quick access to large amounts of data on an electromagnetically charged surface or set of surfaces. Today's computers typically come with a hard disk that contains several billion bytes (gigabytes) of storage.


CPU

Pronounced as separate letters, CPU is the abbreviation for central processing unit. Sometimes referred to simply as the central processor, but more commonly called processor, the CPU is the brains of the computer where most calculations take place. In terms of computing power, the CPU is the most important element of a computer system.


Soundcard

A sound card (also known as an audio card) is an internal computer expansion card that facilitates the input and output of audio sign to and from a computer under control of computer programs. The sound card is also used to generate sound for the computer or laptop.


Fan

The fan is in the computer to keep it cool because if the fan was not in a computer or laptop it will get too hot and maybe blow up.


Motherboard

The motherboard is the main circuit board of your computer and is also known as the mainboard or logic board. If you ever open your computer, the biggest piece of silicon you see is the motherboard. Attached to the motherboard, you'll find the CPU, ROM, memory RAM expansion slots, PCI slots, and USB ports. It also includes controllers for devices like the hard drive, DVD drive, keyboard, and mouse. Basically, the motherboard is what makes everything in your computer work together.