15. a mechanism by which other modules, such as i/o and memory, may interrupt the normal sequencing of the processor is called (a) communication (b) trap (c) interrupt (d) i/o (e) none of the above

(C) Interrupt

Explanation: Interrupt is sort of a signal that is responsible for breaking of the continuity or sequence by occurring in hardware or software. Thus, input, output and memory may experience some sort of error in their sequence that is known as interrupt. The interrupt is a temporary situation and can be managed using a interrupt handler.Hardware are usually of two type - hardware interrupts and software interrupts.

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