June 12, 2021

RISC Exceptions MCQ’s

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This set of Embedded System Multiple Choice Questions & Answers (MCQs) focuses on “RISC Exceptions”.

1. How many general types of exceptions are there?
a) 2
b) 3
c) 6
d) 4

2. Which of the exceptions allows the system reset or memory fault?
a) imprecise exception
b) precise exception
c) synchronous exception
d) asynchronous exception

3. How many supervisor registers are associated with the exception mode?
a) 2
b) 3
c) 4
d) 5

4. Which of the exceptions are usually a catastrophic failure?
a) imprecise exception
b) precise exception
c) synchronous exception
d) asynchronous exception

5. Which exception can be masked by clearing the EE bit to zero in the MSR?
a) synchronous imprecise
b) synchronous precise
c) asynchronous imprecise
d) asynchronous precise

6. Which exceptions are used in the PowerPC for floating point?
a) synchronous imprecise
b) asynchronous imprecise
c) synchronous precise
d) synchronous imprecise

7. What happens when an exception is completed?
a) TRAP instruction executes
b) SWI instruction executes
c) RFI instruction executes
d) terminal count increases

8. Which registers are used to determine the completion status?
a) MSR
b) flag register
c) DSISR
d) index register

9. In which of the exceptions does the external event causes the exception?
a) synchronous exception
b) asynchronous exception
c) precise
d) imprecise

10. What does MSR stand for?
a) machine state register
b) machine software register
c) minimum state register
d) maximum state register

11. Which exception is used in the external interrupts and decrementer-caused exceptions?
a) synchronous precise
b) asynchronous precise
c) synchronous imprecise
d) asynchronous imprecise

12. Which of the following does not support PowerPC architecture?
a) synchronous precise
b) asynchronous precise
c) synchronous imprecise
d) asynchronous imprecise

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