bootable disk — A disk that you can use to start your computer. In case your hard drive is damaged or your computer has a virus, ensure that you always have a bootable CD or floppy disk available.
bps — bits per second — The standard unit for measuring data transmission speed.
BTU — British thermal unit — A measurement of heat output.
bus — A communication pathway between the components in your computer.
bus speed — The speed, given in MHz, that indicates how fast a bus can transfer information.
byte — The basic data unit used by your computer. A byte is usually equal to 8 bits.
C
C — Celsius — A temperature measurement system where 0° is the freezing point and 100° is the boiling point of water.
cache — A special
L1 cache — Primary cache stored inside the microprocessor.
L2 cache — Secondary cache which can either be external to the microprocessor or incorporated into the microprocessor architecture.
carnet — An international customs document that facilitates temporary imports into foreign countries. Also known as a merchandise passport.
CD — compact disc — An optical form of storage media, typically used for audio and software programs.
CD drive — A drive that uses optical technology to read data from CDs.
CD player — The software used to play music CDs. The CD player displays a window with buttons that you use to play a CD.
clock speed — The speed, given in MHz, that indicates how fast computer components that are connected to the system bus operate.
COA — Certificate of Authenticity — The Windows