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Norma-Jean [14]
4 years ago
15

1. A microprocessor supports a single hardware timer. Suppose instruction SET_TIMER permits one to set the timer value1. Does th

is need to be a privileged instruction?
Computers and Technology
1 answer:
Phoenix [80]4 years ago
3 0

Answer:

No.

Explanation:

The Instructions that can run only in User Mode are called Non-Privileged Instructions .

Various examples of Non-Privileged Instructions include:  

Reading the status of Processor

Reading the System Time

Generate any Trap Instruction

Sending the final prinout of Printer

Also, it is important to note that in order to change the mode from Privileged to Non-Privileged, we require a Non-privileged Instruction that does not generate any interrupt.

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Answer:

The code is as follows:

for(int j = 0; j < newScores.length-1; j++){  

               newScores[j] = oldScores[j+1];  

           }  

           newScores[oldScores.length-1] = oldScores[0];

Explanation:

This loop iterates through the elements of oldScores

for(int j = 0; j < newScores.length-1; j++){  

This enters the elements of oldScores to newScores starting from the element at index 1

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           }  

This moves the first element of index 0 to the last index of newScores

           newScores[oldScores.length-1] = oldScores[0];

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Explanation:

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