resuming means for resuming the execution of a program which was running before the powering off operation by resuming the previous status of {HEAD ~ the first storing means} including registers in the computer system, {TAIL ~ registers} in input/output units, and a volatile storing means, before the powering off operation 
including
resuming means for resuming the execution of a program which was running before the powering off operation by resuming the previous status of { HEAD ~ the first storing means } including registers in the computer system , { TAIL ~ registers } in input / output units , and a volatile storing means , before the powering off operation
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH