L
L
-
L
-
-
1-
[WO'Sla~
boot:
See tvo"O-st3ge
stamlp.
two-stage
startup:
A startup procedure
tlut
requires
two
disks.
Up
Arrow:
A
key
that,
in
most programs,
makes the cursor move
up
one line.
user
group:
A computer
dub
user
10:
A number that identifies you as a
subs.:riber
to
an information service
or
a
network.
user
Interface: The rules and conventions by
which a computer
or
a program communicates
with you.
utllltlCS:
See
disk
utilities.
\'ertlcaI
market
software: see
speciallnten:st
>ofuv.ue
video
dlgJt.I.zer: A device that convcrts visual
images into a form thll.1 a computer can siore in
IT1Cmory
or
on disk.
Wilh
the
proper
software,
you
can
edit
digitized images.
video
monitor.
See
monitor.
voice
input
device: A device that tnns/ates Ihc
spoken
word
into a form thai
some
software can
process.
volume:
A
generallcrm
for a storage device,
like a disk.
volume
name
1he
name
of
a volume
or
its
main directory.
warm
start:
1be
process
of
tn.nsferring control
back
10
the operating system. People
do
warm
suns
10
sun
a new program when they've
finished an old
one
or in response
10
a prognam
failure. Also called a warm boot.
Compare
cold
,
.....
WincbeSlerdisk: See
hard
dlsk.
word
processor:
An
application program that
makes writing
and
editing
easier
and
faMer.
""OI'king
memory:
see
random-acc::ess
memory.
wraparound:
The action
of
the cursor
autOmatically advancing to the start
of
a
new
line
when
it
reaches the
end
of
the
previous
line.
write:
To
record infollTl:l.tion
on
a disk.
write-enable
notch.: A smaU,
square
cutout in
the upper-right
corner
of
a S.2S-inch disk. If the
notch
is
covered, you can't
change
the
infomution
on
the
disk.
If
uncovered,
you can,
write
protect:
To
prevent
dunges
to the
conlents d a disk
or
a file. Once you have
WTlte-
proI:ected a
clJ..sk
or
file,
you
can
still read
the
contents
but
you can't
write
to
it
"TIte-protect
tab:
A sticker that you can put
over
the write-enable notch
on
:a
S.lS-inch disk.
On
a
'.S-inch
disk, the small piece
of
plastic
that slides
to
uncover
the
square
hole
in
the
upper-right corner
of
the disk.
280
device:
A device containing a Z80
microprocessor.
An
Apple
equipped
with a Z80
card
can
run programs
based
on
the
popular
CP/M
operating
system.
GlossolY
159
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