Dell Latitude C640 User Manual page 158

bit - The smallest unit of data interpreted by your computer.
bootable CD - A CD 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 bootable disk available.
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 disk or bootable CD available.
bps - bits per second
The standard unit for measuring data transmission speed.
BTU - British thermal unit
A unit of heat equal to about 252 calories.
bus - A communication pathway between the components in your computer.
byte - A basic data storage 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 - An area where data or instructions are stored for quick retrieval. The cache enhances the efficiency
of many microprocessor operations.
carnet - An international customs document that facilitates temporary imports into foreign countries. Also
known as a merchandise passport.
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 you use
to play a CD.
CD-RW drive - A drive that can read CDs and write to CD-RW (rewritable CDs) and CD-R (recordable CDs)
discs. You can write to CD-RW discs multiple times, but you can write to CD-R discs only once.
cm - centimeter