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