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status register[′stad·əs ‚rej·ə·stər]
A register maintained by the central processing unit that contains a status byte with information about activities currently taking place there.
register(1) To sign up. See registration.
(2) A small, high-speed computer circuit that holds values of internal operations, such as the address of the instruction being executed and the data being processed. When a program is debugged, register contents may be analyzed to determine the computer's status at the time of failure.
In microcomputer assembly language programming, programmers look at the contents of registers routinely. Assembly languages in larger computers are often at a higher level.