Question 61 : How many supervisor registers are associated with the exception mode?
1. 2
2. 3
3. 4
4. 5
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Question 62 : How many exceptions does an MC68000 have?
1. 256
2. 128
3. 90
4. 70
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Question 63 : Which exceptions are used in the PowerPC for floating point?
1. synchronous imprecise
2. asynchronous imprecise
3. synchronous precise
4. synchronous imprecise
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Question 64 : What happens when an exception is completed?
1. TRAP instruction executes
2. SWI instruction executes
3. RFI instruction executes
4. terminal count increases
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Question 65 : Which of the exceptions are usually a catastrophic failure?
1. imprecise exception
2. precise exception
3. synchronous exception
4. asynchronous exception
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Question 66 : How many types of exceptions are associated with the asynchronous imprecise?
1. 1
2. 2
3. 3
4. 4
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Question 67 : How many interrupt pins are used in MC68000?
1. 2
2. 3
3. 4
4. 5
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Question 68 : Which of the following are asynchronous to the operation?
1. interrupts
2. software
3. DMA
4. memory
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Question 69 : Which of the following converts the seven external pins into a 3-bit binary code?
1. priority encoder
2. 4-to-2 priority encoder
3. LS148 7-to-3
4. 2-to-4 priority encoder
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Question 70 : What does ISR stand for?
1. interrupt standard routine
2. interrupt service routine
3. interrupt software routine
4. interrupt synchronous routine
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