Commodore 128 System Manual page 427

Border Color: The color of the edges around the screen.
Branch: To jump to a section of a program and execute it. GOTO
and GOSUB are examples of BASIC branch instructions.
Bubble Memory: A relatively new type of computer memory, it
uses tiny magnetic " pockets" or " bubbles" to store data.
Burst Mode: A special high speed mode of communication
between a disk drive and a computer, in which information is
transmitted at many times normal speed.
Bus: Parallel or serial lines used to transfer signals between
devices. Computers are often described by their bus structure
(i.e., S-100-bus computers, etc.).
Bus Network: A system in which all stations or computer devices
communicate by using a common distribution channel or bus.
Byte: A group of eight bits that make up the smallest unit of
addressable storage in a computer. Each memory location in
the Commodore 128 contains one byte of information. One
byte is the unit of storage needed to represent one character
in memory. See Bit.
Carrier Frequency: A constant signal transmitted between
communicating devices that is modulated to encode binary
information.
Character: Any symbol on the computer keyboard that is printed
on the screen.
punctuation and graphic symbols.
Character Memory: The area in Commodore 128's memory which
stores the encoded character patterns that are displayed on
the screen.
Character Set: A group of related characters. The Commodore
128 character sets consist of: upper-case letters, lower-case
letters and graphic characters.
Characters include numbers, letters,
GL-3