to the real processor
conversational machines are assigned the
the
console requests or terainal interrupts. The virtual
for subsequent processor utilization according to whether it is a
conversational or nonconversational user of
waiting for
The virtual
waiting for a page of storage, if it is waiting for an input/output
operation to be translated and started, or if it is waiting for a
is a
execution characteristics.
aachine's
value with the privilege class
part of the virtual
and not greater than the
storage as virtual storage. The storage
to the virtual aachine, depending upon whether or not the extended
control
is required if operating
Storage in the virtual
to describe the storage of each virtual aachine. These tables are
updated
blocks of real storage. These page and
storage addressing in a
translation on the
virtual aachines and
available page
allocation falls below a threshold value,
storage pages currently allocated to real storage are
inactive page has
are kept on a direct access storage device.
been changed at
1-4
If an