Data General DASHER D100 User Reference page 62

Full-duplex
Half-duplex
Instruction
Location
Memory
Microprocessor
Off-line
On-line
Peripheral
Program
the block are printed or
displayed in certain patterns,
a character is formed.
Refers to a mode of serial
data transmission which
enables information to be
received and transmitted at
the same _ time.
Refers to a mode of serial
data transmission which
enables information to be
received and _ transmitted
The physical Devices or
electronic parts that which
make up a computer system.
Part of a Program, consisting
of a Word which defines the
operation to be performed.
An area in Memory
(designated by an Address)
which contains a Word.
The storage area of a
computer.
An electronic part that
contains all the circuits
necessary to fetch and
execute Instructions that
make up a Program.
The state of a Device when it
is not controlled by a
computer system.
The state of a Device when it
is controlled by a computer
system.
A method of error detection.
An extra Bit (the parity bit)
is added to the code for each
unit of data. When using
even parity, the sum of all
the ones in the code is even;
when using odd parity, the
sum is odd. A computer can
detect errors by checking for
the correct parity in each
unit of data received.
Specifically, a system
consisting of a Device, a
Controller, and cometimes an
adapter, but often used
synonymously with Device.
The sequence of Instructions
or Routines required to
perform a specific action or
solve a specific problem.
The Radix of a numbering
system is the maximum
number of different digits
which can be used in the
numbering system.
See Random access memory.
Random access memory (RAM) A type of Memory that stores
Read only memory (ROM)
Serial communication
UAR/T
information until the power
is turned off, or until new
information is written over
the old information.
A type of Memory that stores
information which is
permanent. Often used for
storing a Program that must
remain intact when the
power is turned off.
See Read only memory.
A subdivision of a Program
consisting of two or more
Instructions.
Process of communication
whereby Bits are transmitted
one at a time. A Character is
therefore not formed until
all the bits comprising it are
A Device which has a printer
or display and a keyboard for
use by a human when
entering Data or Commands
manually.
Universal Asynchronous
Receiver/Transmitter. Used
to transfer Serial data from
one Device to another.
A unit of Data consisting of a
fixed number of Bits which
can be stored in one Memory
location.