EUROCOM 3400 UltraLite, Руководство пользователя

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1
2
3
4
5
A
B
G
G – 10
G
passes of 1/60 second each
(60 Hz). This system is used
mostly in North America and
East Asia.
Nonvolatile memory
The contents of the memory
storage unit are not lost when
power is turned off (e.g.
floppy, hard disk).
Notebook computer
A small portable computer
that uses a flat panel liquid
crystal display. It is about the
size of a large book.
O - P
PAL/SECAM
P hase A lternate L ine and
Se quential C olor a nd
M emory. Two video broad-
cast standards of 625 scan
lines every 1/25 second. This
is accomplished in 2 passes of
1/50 second each (50 Hz).
These systems are used
mostly in Europe, Australia
and parts of Africa.
Parallel printer
A printer that receives infor-
mation from the computer
one character (letter, num-
ber, etc.) at a time through
eight wires. Additional wires
are needed to exchange con-
trol signals.
Parameter
An arbitrary constant. A
variable in an algebraic ex-
pression that temporarily as-
sumes the properties of a
constant.
Partition
A reserved part of disk or
memory that is set aside for
some purpose. New hard
disks must be partitioned be-
fore they can be formatted
for the operating system, and
Glossary:
O
–
P