Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Condition code register
 Process status register
 Flag register
 Accumulator

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Microprocessor
The interrupt facility is provided in microprocessor to

 change the sequence of the instructions being executed
 stop the microprocessor when it starts malfunctioning
 stop the microprocessor when desired
 keep a control on the working of the microprocessor

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