Question: In this chapter, the coverage of basic I/O and programmable peripheral interfaces is expanded by examining a technique called interrupt-processed I/O. An interrupt is a

In this chapter, the coverage of basic I/O and programmable peripheral interfaces is expanded by examining a technique called interrupt-processed I/O. An interrupt is a hardware-initiated procedure that interrupts whatever program is currently executing. This chapter provides examples and a detailed explanation of the interrupt structure of the entire Intel family of microprocessors.

Specifically, what is called by an interrupt?

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