Glossary 10
User's Manual
Satellite 2750/2770 User's Manual – Satellite 2750 UK.doc – ENGLISH – Printed on 30/04/00 as
IM_275UK
N
non-system disk:
A formatted diskette (floppy disk) you can use to store
programs and data but you cannot use to start the computer.
See
system disk.
non-volatile 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 non-volatile 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.
on-line 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
parallel interface:
Refers to a type of information exchange that transmits
information one byte (8 bits) at a time.
See also
serial interface.
parallel:
Refers to two or more processes or events that can occur
simultaneously, and without interfering with each other.
See also
serial.
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.
Summary of Contents for SATELLITE 2750 Series
Page 1: ...TOSHIBA R M o d e l U S E R S M A N UA L 2 7 5 0 2 7 70 S e r i e s ...
Page 143: ...User s Manual Keyboard Layouts D 1 Appendix D Keyboard Layouts Belgian Canadian ...
Page 144: ...D 2 Keyboard Layouts User s Manual Danish French German ...
Page 145: ...User s Manual Keyboard Layouts D 3 Italian Norwegian Polish ...
Page 146: ...D 4 Keyboard Layouts User s Manual Portuguese Spanish Swedish ...
Page 147: ...User s Manual Keyboard Layouts D 5 Swiss German UK English US English ...
