Epson Endeavor Pro, User Manual

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CMOS
Complimentary Metal-Oxide Semiconductor. A low-power
silicon chip used for RAM and switching operations. CMOS is
backed up by a battery.
Controler
A processor, interface, port, or adapter that translates data
between the CPU and a peripheral device, such as a hard disk,
diskette drive, keyboard, or video monitor. Controllers convert
data from one format to another, match speeds between
devices that operate at different speeds, and perform other
functions.
CPU
Central Processing Unit. The primary device that interprets
instructions, performs tasks, keeps track of stored data, and
controls input and output operations. See also
Processor.
Device
A piece of computer equipment that performs a specific task,
such as a disk drive, a monitor, a printer, or a scanner. Also
called a peripheral.
Device driver
A file containing instructions that allow your computer to
recognize and communicate with a device. The device may be a
printer, monitor, or other type of device.
D I P
Dual Inline Package. A type of chip that has two rows of
downward-pointing pins.
2 Glossary