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GaryK [48]
3 years ago
14

A technician is servicing a laptop that works properly when the power adapter is plugged in. Even though the battery icon shows

that the battery is fully charged, when the laptop is unplugged, the laptop immediately shuts down.
Computers and Technology
1 answer:
Oksanka [162]3 years ago
7 0

Answer:

The laptop either does not have a battery or the battery no longer holds any charge, thus shutting down instantly.

Explanation:

Most laptops will first try to their battery as a power source, and will then try to use their charger as a battery source. The charger icon is most likely showing up as fully charged because the laptop doesn't know there isn't a battery present, and assumes that it is fully charged.

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Is it possible to have a deadlock involving only oneprocess? Explain your answer.
Aleonysh [2.5K]

Answer:

Hi!

It is not possible to have a deadlock involving only one process.

Explanation:

Deadlock is only possible if there are multiple processes trying to access the same shared resources. Another way to see it is if you have shared resources only can be a deadlock if multiple processes attempt to use it.

With only one process, you can use shared resources without the risk of fall into deadlock, but you don't have concurrence either.

4 0
4 years ago
Let A and B be two stations attempting to transmit on an Ethernet. Each has a steady queue of frames ready to send; A’s frames w
Mariana [72]

Answer:

Following are the solution to the given question:

Explanation:

Please find the complete and correct question in the attachment file.  

For Point a:

For the second round,

A is selects kA(2)  either 0 or 1, so for each of them, that is \frac{1}{2}.

B selects kB(2)\  from\  (0, 1, 2, 3) for each choice with the probability of \frac{1}{4}.

If kA(2) < kB(2) wins the second rear race.

\to P[A \ wins] = P[kA(2) < kB(2)]

                     = P[kA(2) = 0] \times P[kB(2) > 0] + P[kA(2) = 1] \times P[kB(2) > 1]\\\\= \frac{1}{2} \times \frac{3}{4}  + \frac{1}{2}  \times \frac{2}{4} \\\\=\frac{3}{8}  +\frac{2}{8} \\\\= \frac{3+2}{8}\\\\= \frac{5}{8}

For Point b:

Throughout this example, kA(3) also selects to be either 0 or 1 with such a \frac{1}{2} probability. So, although B chooses kB(3) from (0, 1, 2, 3, 4, 5, 6, 7), the probabilities each are \frac{1}{8}:

\to P[A \  wins] = P[kA(3) < kB(3)]

                     = P[kA(3) = 0] \times P[kB(3) > 0] + P[kA(3) = 1] \times P[kB(3) > 1]\\\\= \frac{1}{2} \times \frac{7}{8} + \frac{1}{2} \times \frac{6}{8}\\\\= \frac{7}{16} + \frac{6}{16}\\\\= \frac{7+6}{16} \\\\= \frac{13}{16}\\\\

For point c:

Assume that B tries again 16 times (typical value), and it destroys. In addition, throughout the exponential background n is obtained at 10 when choosing k between 0 to 2n−1. The probability of A winning all 13 backoff events is: P[A \text{wins remaining races}] = 16\pi i =4P[A \ wins \ i |A \ wins \ i -1 ]

Let the k value kA(i) be A for the backoff race I select. Because A retains the breed

=(kA(i)] \cdot P[kA(i+ 1)< kB(i+ 1)] \geq P[kA(i) + 1

For point d:

Two stations A and B are supposed. They assume that B will try 16 times afterward. Even so, for A, 16 races were likely to also be won at a rate of 0.82 For Just higher expectations of three A, B, and C stations. For Station A, possibility to win all backoffs

3 0
3 years ago
You are an administrator for a large corporation and you are responsible for deploying computers often and quickly. Which server
sashaice [31]

Answer:

The deployment method to use is called Zero touch deployment

Explanation:

Zero-touch deployment or installation is considered as a high volume installation procedure for large and medium organizations. Many computers are configured remotely through the help of the command line. With this process computers are deployed often and quickly because the installations are automated.

The benefits of zero-touch deployment include the following:

  1. Easy distribution of computer resources. Resources are scarce in business, hence, there is a great need to be able to recycle business resources as often and quickly as possible.
  2. Reduces operational costs. Businesses are focused on reducing the operational cost to the barest minimum because deployment can be easily managed by internal staff, deploying zero-touch deployment will greatly reduce operational cost.
5 0
3 years ago
Although Neptune is the farthest planet from the Sun, it travels in a fixed orbit around the Sun and never changes its path. Wha
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B) The gravitational pull of the Sun holds Neptune in its orbit.

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Answer: Instant Message

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