Motherboard This transfers data between all of the computer's components: the human nervous system. Mouse Allows the entry of data and executes programs the easy way on screen and works well with graphics and icons. The "Peripheral Component Interconnect" is a highnesses connection to adding devices to a computer including CICS cards, video, sound, modems, and other PC devices.

Power Supply C] Converts power from a source into power the computer can use. D 300 - 400 watt supply cases are best. Smaller means more crashes. C] Aids in the cooling of the computer.Printer It outputs data that is seen on the screen or from a file. RAM C] Random Access Memory holds recently accessed data from the computer for the CPU to have quick access to.

C] It is gone once the computer is shut off. Scanner This device allows the reading of images and text. D The "skuzzy stands for "Small Computer Systems Interface". C] This interface is the fastest connection to the hard drive and is usually associated with the hard drive(s). Switch C] A connecting device used on Ethernet networks.

Each computer on the Local Area Network is unconnected to the switch with a dedicated segment.C] The switch uses the MAC or ISP address to determine which segment to forward frames to. D A frame is only forwarded to the destination rather than broadcast to all computers. D This increases both the security and the efficiency of the network. C] Contrast with a Hub simply forwards all data through the network.

USB The Universal Serial Bus Port allows for the connecting of many external devices to the computer. Video Card It transfers data from the computer to the monitor. AD cards are necessary for games.