Glossary - Acomdata External Hard Drives Quick Start Installation Manual

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Glossary

Bit - The smallest unit of digital data. In binary code, a bit
is represented logically as a either 1 or a 0.
Buffer - RAM cache that temporarily stores data so it can
be delivered to a device as it is needed.
Bus - An electronic link for the transmission of data
between digital devices, such as computers and computer
peripherals.
Byte - A unit of digital data, usually made up of eight bits.
Daisy Chain - A bus wiring scheme in which, for example,
device A is wired to device B, device B is wired to device
C, etc.
Data Stream - The flow of data between digital devices
such as computers and hard drives.
Driver - Software that enables the computer to communi-
cate with a peripheral.
Gigabyte - 1,024 Megabytes, or approximately one billion
bytes. The capacity of most hard drives is measured in
Gigabytes.
Hardware - Physical components of a computer system
(computer, hard drives, printers, etc.)
Hub - A device which links peripherals together onto the
same bus.
Interface - Junction between two items of hardware or
software for the exchange of data.
Mb (Megabit) - One million bits.
Mbps (Megabits per second) - A data transmission speed
of one million bits per second. Data transmissions are typi-