fhollis2297 fhollis2297
  • 26-03-2020
  • Computers and Technology
contestada

1. A microprocessor supports a single hardware timer. Suppose instruction SET_TIMER permits one to set the timer value1. Does this need to be a privileged instruction?

Respuesta :

rameenzaheer1
rameenzaheer1 rameenzaheer1
  • 30-03-2020

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.

Answer Link

Otras preguntas

How many minutes equal 5.4 days?
A rectangular yard measures 8 m by 6 m. What happens to the area if each dimension is doubled? A. It becomes four times smaller B. Nothing C. It becomes twice
n is an interger write down the values of n such that -8<4n<12
karl bought a pair of jeans for $25 at a store in california where the sales tax is 6.5%. he was charged $1.45 in sales tax. is this correct. explain why or why
Why did they throw away the old calendar?
write an expression using addition and/or multiplication to represent how much money eric has at week five if he started $200 in the bank at week 0
if 3 apples cost 6 dollars, how much does 1 apple cost?
What is the Cause and in thi. sentence : Only Silvers can fight in the arenas because only a Silver can survive the arena>
the lcm of two numbers can be equal to the smallest number in the set. true false
Acceleration is defined as