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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
Given below are three statements related to interrupt handling mechanism.
A. Interrupt handler routine is not stored at a fixed address in the memory.
B. CPU hardware has a dedicated wire called the interrupt request line used for handling interrupts.
C. Interrupt vector contains the memory addresses for specialized interrupt handlers.
In the context of above statements, choose the correct answer from the options given below:
A. Interrupt handler routine is not stored at a fixed address in the memory.
B. CPU hardware has a dedicated wire called the interrupt request line used for handling interrupts.
C. Interrupt vector contains the memory addresses for specialized interrupt handlers.
In the context of above statements, choose the correct answer from the options given below:
Solution
Statement A is false because interrupt handler routines are reached through predefined interrupt vector entries or known handler addresses.Statement B is true because CPU hardware uses interrupt request lines to receive interrupt signals.
Statement C is true because interrupt vector stores addresses of specialized interrupt service routines.
Therefore, only B and C are true.
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