functions
within
z/OS,
when
RESETTIME,
DEACTTIME,
or
the
RECONFIG
statement
is
coded
in
the
SFM
policy.
asynchronous.
(1)
Pertaining
to
two
or
more
processes
that
do
not
depend
upon
the
occurrence
of
specific
events
such
as
common
timing
signals.
(T)
(2)
Without
regular
time
relationship;
unexpected
or
unpredictable
with
respect
to
the
execution
of
program
instructions.
Contrast
with
synchronous
.
authorized
program
analysis
report
(APAR).
A
request
for
correction
of
a
problem
caused
by
a
defect
in
a
current
release
of
a
program
unaltered
by
the
user.
B
basic
mode.
A
central
processor
mode
that
does
not
use
logical
partitioning.
Contrast
with
logically
partitioned
(LPAR)
mode
.
batch.
(1)
An
accumulation
of
data
to
be
processed.
(2)
A
group
of
records
or
data
processing
jobs
brought
together
for
processing
or
transmission.
(3)
Pertaining
to
activity
involving
little
or
no
user
action.
Contrast
with
interactive
.
bit.
Either
of
the
digits
0
or
1
when
used
in
the
binary
numeration
system.
(T)
See
also
byte
.
block.
A
string
of
data
elements
recorded
or
transmitted
as
a
unit.
The
element
may
be
characters,
words,
or
physical
records.
(T)
byte.
(1)
A
string
that
consists
of
a
number
of
bits,
treated
as
a
unit,
and
representing
a
character.
(T)
(2)
A
binary
character
operated
upon
as
a
unit
and
usually
shorter
than
a
computer
word.
(A)
(3)
A
string
that
consists
of
a
particular
number
of
bits,
usually
eight,
that
is
treated
as
a
unit,
and
that
represents
a
character.
(4)
A
group
of
eight
adjacent
binary
digits
that
represent
one
extended
binary-coded
decimal
interchange
code
(EBCDIC)
character.
byte
multiplexer
channel.
A
multiplexer
channel
that
interleaves
bytes
of
data.
C
CBP.
Integrated
cluster
bus
coupling
facility
peer
channel.
central
processor.
A
processor
that
contains
the
sequencing
and
processing
facilities
for
instruction
execution,
interruption
action,
timing
functions,
initial
program
loading,
and
other
machine-related
functions.
central
processor
complex
(CPC).
A
physical
collection
of
hardware
that
consists
of
central
storage,
one
or
more
central
processors,
timers,
and
channels.
central
storage.
Storage
that
is
an
integral
part
of
the
processor
and
includes
both
main
storage
and
the
hardware
system
area.
CF.
Coupling
Facility.
CFCC.
Coupling
Facility
control
code.
CFP.
Coupling
facility
peer
channel.
channel.
The
system
element
that
controls
one
channel
path,
whose
mode
of
operation
depends
on
the
type
of
hardware
to
which
it
is
attached.
channel
control
check.
A
category
of
I/O
errors
affecting
channel
controls
and
sensed
by
the
channel
to
which
a
device
is
attached.
channel
data
check.
A
category
of
I/O
errors,
indicating
a
machine
error
in
transferring
data
to
or
from
storage
and
sensed
by
the
channel
to
which
a
device
is
attached.
channel
path
(CHP).
A
single
interface
between
a
central
processor
and
one
or
more
control
units
along
which
signals
and
data
can
be
sent
to
perform
I/O
requests.
channel
path
configuration.
In
an
ESCON
or
FICON
environment,
the
connection
between
a
channel
and
a
control
unit
or
between
a
channel,
an
ESCON
Director,
and
one
or
more
control
units.
See
also
point-to-point
channel
path
configuration,
and
switched
point-to-point
channel
path
configuration
.
channel
path
identifier
(CHPID).
In
a
channel
subsystem,
a
value
assigned
to
each
installed
channel
path
of
the
system
that
uniquely
identifies
that
path
to
the
system.
channel
subsystem
(CSS).
A
collection
of
subchannels
that
directs
the
flow
of
information
between
I/O
devices
and
main
storage,
relieves
the
processor
of
communication
tasks,
and
performs
path
management
functions.
channel-attached.
(1)
Pertaining
to
attachment
of
devices
directly
by
data
channels
(I/O
channels)
to
a
computer.
(2)
Pertaining
to
devices
attached
to
a
controlling
unit
by
cables
rather
than
by
telecommunication
lines.
CHP.
Channel
path.
CHPID.
Channel
path
identifier.
CICS.
Customer
Information
Control
System.
CMC.
Communications
management
configuration.
CNC.
Mnemonic
for
an
ESCON
channel
attached
to
an
ESCON-capable
device.
D-2
PR/SM
Planning
Guide
Содержание Z9
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