Glossary-10
User’s Manual
Glossary
N
non-system disk:
A formatted floppy disk you can use to store programs
and data but you cannot use to start the computer.
See
system disk.
nonvolatile memory:
Memory, usually read-only (ROM), that is capable
of permanently storing information. Turning the computer’s power
off does not alter data stored in nonvolatile memory.
numeric keypad overlay:
A feature that allows you to use certain keys on
the keyboard to perform numeric entry, or to control cursor and
page movement.
O
OCR:
Optical Character Recognition (reader). A technique or device that
uses laser or visible light to identify characters and input them into a
storage device.
online state:
A functional state of a peripheral device when it is ready to
receive or transmit data.
operating system:
A group of programs that controls the basic operation
of a computer. Operating system functions include interpreting
programs, creating data files, and controlling the transmission and
receipt (input/output) of data to and from memory and peripheral
devices.
output:
The results of a computer operation. Output commonly indicates
data.
1) printed on paper, 2) displayed at a terminal, 3) sent through the
serial port of internal modem, or 4) stored on some magnetic media.
P
parity:
1) The symmetrical relationship between two parameter values
(integers) both of which are either on or off; odd or even; 0 or 1.
2) In serial communications, an error detection bit that is added to a
group of data bits making the sum of the bits even or odd. Parity can
be set to none, odd, or even.
password:
A unique string of characters used to identify a specific user.
The computer provides various levels of password protection such
as user, supervisor and eject.
pel:
The smallest area of the display that can be addressed by software.
Equal in size to a pixel or group of pixels.
See
pixel.
peripheral component interconnect:
An industry standard 32-bit bus.
peripheral device:
An I/O device that is external to the central processor
and/or main memory such as a printer or a mouse.
pixel:
A picture element. The smallest dot that can be made on a display
or printer. Also called a pel.
Содержание Satellite A50
Страница 1: ...Satellite A50 TOSHIBA Satellite A50 Portable Personal Computer User s Manual ...
Страница 22: ...xxii User s Manual User s Manual ...
Страница 32: ...xxxii User s Manual Preface ...
Страница 36: ...xxxvi User s Manual General Precautions ...
Страница 66: ...2 16 User s Manual The Grand Tour ...
Страница 174: ...A 4 User s Manual Specifications ...
Страница 188: ...B 14 User s Manual Display Controller and Modes ...
Страница 198: ...C 10 User s Manual AT Commands Result Codes OK n 0 3 ERROR Otherwise ...
Страница 206: ...D 8 User s Manual S registers ...
Страница 210: ...E 4 User s Manual V 90 ...
Страница 234: ...Glossary 14 User s Manual Glossary ...