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QHow many bit vector numbers are used in an interrupt cycle of the 80386 processor?

ID: #10505 Embedded System 102 views
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#10505Q ID
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Embedded SystemTopic
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  • A 4 ✔ ✖
  • B 8 ✔ ✖
  • C 16 ✔ ✖
  • D 32 ✔ ✖
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Explanation

During an interrupt cycle, the 80386 processor reads an 8-bit vector number to locate the corresponding interrupt service routine within the vector table. The processor possesses two interrupts to acknowledge bus cycles, and this 8-bit vector number is used to locate the appropriate interrupt service routine. NMI is automatically assigned vector number 2.

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