Chapter
4
summary
Moin ports
of
the
computer
Microprocessor:
Docs the computing. Carries
out
the instructions
in
computer
programs.
RAM:
Shon
for
random-access
memory.
This
is
where
programs
and
data arc
stored
temporarily. Whatever
is
in RA.\!
is
lost
when
power
goes off.
ROM:
Shon
for
read-only
memory.
Permanent
memory. Data
SlOred in
ROM
docs
nO!
disappear
when
power
goes
off.
It
contains.
among
ot.her things, information the
computer
needs
to
gel started.
Five
easy
pieces
lor
computer
I. StarLing
up:
Put a program disk in
me
stanup
drive
and
switch
on the power.
2.
Creating
information:
Type 3t the keyboard to create letters,
budgets,
chans.
3.
Saving
information:
Name
t.he
information you've created
and
store
i1
in a file
on
a disk for permanent storage.
4.
Retrieving
information:
Load
information
from a
file
and
change
its contents.
s. R.1.cking
up
Importanl
fLIes:
Copy a whole disk or individual
filcs
onto
another
disk.
Chapter
4 SLmmory
71
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