Computer Organization Questions and Answers – Interrupts

Interrupts MCQs : This section focuses on "Interrupts" of Computer Organization & Architecture. These Multiple Choice Questions (MCQ) should be practiced to improve the Computer Organization & Architecture skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. The main job of the interrupt system is to identify the ______ of the interrupt.

A. signal
B. device
C. source
D. peripherals

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2. The hardware interrupts which can be delayed when a much high priority interrupt has occurred at the same time are known as ___________.

A. Non Maskable Interrupt
B. Maskable Interrupt
C. Normal Interrupt
D. None of the above

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3. The interrupts that are caused by software instructions are called ______________.

A. Exception interrupts
B. Normal Interrupt
C. hardware interrupt.
D. None of the above

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4. In Daisy Chaining Priority, the device with the highest priority is placed at the ______.

A. First Position
B. Last Position
C. Can be placed anywhere
D. Depend on device

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5. Which interrupt is unmaskable?

A. RST 5.5
B. RST 6.5
C. RST 7.5
D. Trap

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6. Which microprocessor are designed to complete the execution of the current instruction and then to service the interrupts?

A. 8081
B. 8082
C. 8084
D. 8085

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7. open-collector type circuits are generally used for ___________.

A. open-drain
B. Batch processing
C. interrupt service lines.
D. None of the above

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8. The Interrupt-request line is a _________ along which the device is allowed to send the interrupt signal.

A. Data line
B. control line
C. Address line
D. None of the above

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9. Which table handle stores the addresses of the interrupt handling sub-routines?

A. Interrupt-vector table
B. Vector table
C. Symbol link table
D. All of the above

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10. Interrupts initiated by an instruction is called as ____________.

A. Internal
B. External
C. hardware
D. Software

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