Page 8 - slides.dvi

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Operating
at
Even
all
Batch
use
use
fire
Monitor
Systems
results
end
output
initially
Computer
—
monitor
cards
operator
of
better:
Introduction
now
tape
now
of
interrupt
operator.
programmers
magnetic
read
Evolution
job,
reads
Systems
written
control
carries
has
to
put
is
job
tape
disk
taken
a
onto
spooling
driven
in
a
schedules
to
to
input
control
jobs
and
drives
output
I/O.
on
jobs.
tape.
tape
cache
resident
.
systems.
.
printer.
monitor.
to
allow
tape.
transfer
transfers
cards
input
as
back
monitor
:
tape.
control.
to
batching
computer.
before.
of
jobs:
monitor.
4