A personal computer CPU is a single microprocessor chip. A minicomputer CPU is contained on one or more printed circuit boards. A mainframe CPU is made up of several boards. A temporary form of memory used to hold applications that are being accessed by the processor. The number of dots of light that appear on a monitor.
Higher resolution means more dots appear on the screen, allowing a larger image to be displayed.
Most notebooks offer a resolution of 640x480 dots, but a few models can show 800x600 dot images. Serial Port A type of socket on a computer used to connect a modem, mouse, scanner, or other serial interface device to the computer. STN Another term for dual-scan screen. Dual scan screens are not as bright as active matrix screens and must be viewed nearly head-on to see a clear image. STN screens, however, use less power than active matrix models and are several hundred dollars less expensive.