Computer hardware
What is inside a computer.
Hardware
Computer hardware is all the physical components of a computer. These include the motherboard, CPU (central processing unit), RAM (random access memory), sound card, graphics card, power supply, fan unit and the hard disk drive.
Power supply and the fan unit
Normally the power supply and the fan unit is in the same component. The power supply powers the computer. The fan unit cools all the components to stop them from over heating.
Random access memory
RAM is a form of computer storage it enables someone to access data items quicker than hard disks.
Motherboard
The motherboard is the main circuit board it connects all the components to each other.
Sound card
The sound card enables a user to hear sound if it was not there then there would be no sound.
Central processing unit
The central processing unit carries out instructions from the computer program. Some computers have more than one CPU this is called multiprocessing.
Hard disk drive
The hard disk drive is data storage it saves everything even when turned off.
Graphics card
The graphics card is in charge of adding all colour to images displayed on the screen.