Microprocessor
A microprocessor without the interrupt facility

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

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Microprocessor
The correct sequence of steps in the instruction cycle of a basic computer is

 Fetch, Read effective address, Decode and Execute.
 Fetch, Execute, Decode and Read effective address.
 Fetch, Decode, Read effective address and, Execute.
 Read effective address, Decode, Fetch and Execute.

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