Question: A computer has an average interrupt response time of p, takes q to process an interrupt, and takes s to return from interrupt. If a

A computer has an average interrupt response time of p, takes q to process an interrupt, and takes s to return from interrupt. If a polled interrupt mechanism is implemented and takes x to poll a device and y to service a device that interrupted, how many devices can be polled before polling becomes less efficient than an interrupt-driven 1/0?

Step by Step Solution

★★★★★

3.31 Rating (148 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The time taken to deal with an interrupt is p q ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Computer Architecture Questions!

13. In center tapped rectifier circuit diode are used. (5 Points) 1 2 3 4

We repeat the data and specify an alternative hypothesis for a correlation t-test. For each exercise, decide, at the 10% significance level, whether the data provide sufficient evidence to reject the...

A DC motor has the state variable model Determine whether this system is controllable and observable. -3 -2 -0.8 -3 0 0 2 0 0 0 0 y(t) = 0 0 0 0 3.2]x(1) x(t) = 0 0 0 0 0 0 1 0 0 2 2 0 0 x(t) + | 0...

Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...

A computer with interrupt-driven I/0 has an interrupt response time of 4 ,s (i. e., it takes 4 ,s to invoke the interrupt handler and begin executing the target code). Similarly, it takes 2 ,s to...

Multiple CHoice QUestions Question 80 Some filesystems require ______________ tools to restore the performance on mechanical drives, which have sections of the filesystem become non-contiguous. Save...

A discrete sequence {xn} can be converted into a continuous representation x(t) = ts X n= (t n ts) xn, where ts is the sampling period. (a) State two characteristic properties of Dirac's function. [2...

Journal of Change Management Vol. 11, No. 2, 207- 221, June 2011 Organizational Development Goes Digital: Applying Simulation to Organizational Change JOSEPH B. LYONS , JEREMY JORDAN , PAUL FAAS &...

QUIZ... Let D be a poset and let f : D D be a monotone function. (i) Give the definition of the least pre-fixed point, fix (f), of f. Show that fix (f) is a fixed point of f. [5 marks] (ii) Show that...

*- 'nll-' uni-I'v- 'p---uI--'II Reread pp. 247253 in the Browning and Zupan reading on long run supply and m Consider a highly competitive market where the firms all face the same costs. They start...

A component in a circuit fails with MTBF(mean time before failure) = 150 hrs and MTTR(mean time to repair = 10 hr. Find the mission availability and point availability for the first 10 hours. Assume...

On April 1, 2014, Gloria Estefan Company received a condemnation award of $430,000 cash as compensation for the forced sale of the companys land and building, which stood in the path of a new state...

What factors influence a bond's yield to maturity ( YTM ) ?

Recognize that effective pricing is central to the financial success of service firms.

Suppose the branch frequencies (as percentages of all instructions) are as follows: a. We are examining a four-stage pipeline where the branch is resolved at the end of the second cycle for...

Use the following code fragment: Assume that the initial value of x3 is x2+396. a. Data hazards are caused by data dependences in the code. Whether a dependency causes a hazard depends on the machine...

Whereas larger caches have lower miss rates, they also tend to have longer hit times. Assume a direct-mapped 8 KB cache has 0.22 ns hit time and miss rate m1; also assume a 4-way associative 64 KB...

During a period of steadily rising costs, which inventory valuation method yields the highest reported net income?

B. He has decided he wants to save $1,000,000 before he retires. If he saves for 30 years, earning 6%, how much must he save each month to retire with a million dollars after 30 years? (Please show...

Some aluminum and stainless steel alloys can be precipitation hardened with copper: True False