Hard drive is the main storage devices, procedures and documentation on the Hard and thin disc recording information in the form of electromagnetic.

A circuit board that plugs into a system board and adds functionality.

Server refers to a server-side function of computer software, and running the Server software.

Graphics, undertake the task of the graphics output, like playing games and for people who is engaged in the professional graphic design graphics card is very important.

LCD screen refers to the MD pattern in the state of the body is used for displaying the MD machine, in order to let the user control the LCD screen.

Through the keyboard can be English letters, Numbers, punctuation marks, such as the input to the computer, to send commands to the computer, input data, etc.

The power adapter is a small portable electronic devices and electronic power supply power transformation equipment.

According to the type of bus interface card to points we generally can be divided into early ISA interface card, PCI interface card.