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Computer Science Engineering (CSE) Exam  >  Computer Science Engineering (CSE) Tests  >  Test: Sources of Interrupts - Computer Science Engineering (CSE) MCQ

Test: Sources of Interrupts - Computer Science Engineering (CSE) MCQ


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15 Questions MCQ Test - Test: Sources of Interrupts

Test: Sources of Interrupts for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Test: Sources of Interrupts questions and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus.The Test: Sources of Interrupts MCQs are made for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Sources of Interrupts below.
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Test: Sources of Interrupts - Question 1
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Which interrupts are generated by the on-chip peripherals?

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Explanation: The internal interrupts are generated by the serial and parallel ports which are on-chip peripherals.

Test: Sources of Interrupts - Question 2
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Which of the following is the common method for the connecting the peripheral to the processor?

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Explanation: The common method for connecting the peripheral to the processor is the external interrupts. The external interrupts are provided through the external pins which are connected to the peripherals.

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Test: Sources of Interrupts - Question 3
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 Which interrupt can make a change in the processor’s mode?

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Explanation: An exception is an event which changes the software flow to process the event. It includes both internal and external interrupts which cause the processor to change to a service routine.

Test: Sources of Interrupts - Question 4
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How many exceptions does an MC68000 have?
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Explanation: The MC68000 have 256 table entries which describe 90 exceptions.

Test: Sources of Interrupts - Question 5
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Which interrupts allows a protected state?
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Explanation: The software interrupt can change the processor into a protected state by changing the program flow.

Test: Sources of Interrupts - Question 6
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 How a software interrupt is created?
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Explanation: The software interrupts includes a set of instructions for handling interrupts. The instruction set allows a currently executing program to change its flow.

Test: Sources of Interrupts - Question 7
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What does SWI stand for?
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Explanation: The instruction set of software interrupts are provided by the special instruction set. One such is the SWI which is commonly used in Z80.

Test: Sources of Interrupts - Question 8
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 Which of the following use SWI as interrupt mechanism?
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Explanation: The PowerPC and MC68000 use TRAP instruction set for accessing software interrupt. IBM PC uses 8086 NMI. Z80 uses SWI for accessing software interrupts.

Test: Sources of Interrupts - Question 9
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 Which of the following supplies additional data to the software interrupt?
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Explanation: For using the software interrupt more effectively, the additional data are used, which specifies the type of the request and data parameters are passed to the specific ISR. This additional data are offered by certain registers.

Test: Sources of Interrupts - Question 10
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Which software interrupt is used in MC68000?
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Explanation: The MC68000 uses software interrupt mechanism for accessing interrupts from the peripheral in which the instruction are created using the TRAP mechanism.

Test: Sources of Interrupts - Question 11
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Which of the following are accessible by the ISR in software interrupt mechanism?
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Explanation: The additional data are offered by certain registers and these additional data are used to specify the type of the data parametrs and the request with the specific ISR when running in the software interrupt mode.

Test: Sources of Interrupts - Question 12
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What allows the data protection in the software interrupt mechanism?
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Explanation: The switching between user mode and supervisor mode provides protection for the processor, that is, the different modes in the software interrupt allows the memory and the associated code and data to be protected from each other.

Test: Sources of Interrupts - Question 13
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What does NMI stand for?
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Explanation: The NMI stand for the non-maskable interrupt in which the external interrupts cannot be masked out.

Test: Sources of Interrupts - Question 14
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Which NMI is used in the IBM PC?
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Explanation: The most commonly used non-maskable interrupt is the 80×86 NMI, which is implemented in the IBM PC.

Test: Sources of Interrupts - Question 15
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Which can be used to pass the status information to the calling software in the software interrupt mechanism?
Detailed Solution for Test: Sources of Interrupts - Question 15

Explanation: In order to use the software interrupt more effectively, the additional data are used to specify the type of the request and data parameters are passed to the specific ISR. This additional data are offered by certain registers. These registers are accessible by the ISR and it can also be used to pass the status information back to the calling software.

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