Answer:
program status word
Explanation:
The acronym for PSW is Program Status Word. The Program Status Word or the PSW consists of status bits which shows the present Central Processing Unit state.
The PSW or Program Status Word is IBM System/360 architecture which means it is an independent model architecture for S/360 series of computers developed by IBM.
The status register contains all the information about the processor.
Thus the answer is program status word.