Microprocessor
A microprocessor without the interrupt facility

 is not useful for process control system
 cannot be used for DMA operation
 is best suited for process control system
 cannot be interfaced with any I/O devices

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Microprocessor
How can we make any bit of a register “1”?

 AND that bit with “1” and remaining bits with “0”.
 OR that bit with “0” and remaining bits with “1”.
 OR that bit with “1” and remaining bits with “0”.
 AND that bit with “0” and remaining bits with “1”.

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