Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 always set
 always reset
 not affected
 affected indicating specific conditions

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Microprocessor
Ready pin of microprocessor is used

 to introduce wait state
 to provide direct memory access
 to indicate that microprocessor is ready to receive inputs
 to indicate that microprocessor is ready to receive outputs

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Microprocessor
The interrupt facility is provided in microprocessor to

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

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