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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.
Data Stream - The flow of data between digital devices such as
computers and hard drives.
driver - Software that enables the computer to communicate
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 typically
measured in bits (kilobits, megabits etc) per second.
MB (Megabyte) - 1,048,576 bytes.
Operating System (OS) - Software that controls the assignment
and use of hardware and application software resources.
System Requirements
System Requirements for Mac
• Power Macintosh (Mac Mini, G5, G4, Blue & White G3, iBook
or iMac)
• Mac OS X 10.2 or newer
• Available USB port or available eSATA port
System Requirement for PC
• Pentium-based PC with 233 MHz or faster CPU
• Windows 2000 SP4, XP SP2, 2003, Windows Vista
• 32 MB RAM
• Available USB or available eSATA port
Windows XP users:
In order to use the USB 2.0 connection, you must have at least
Service Pack 1 for Windows XP.
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