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Gnesinka [82]
2 years ago
12

A semaphore puts a thread to sleep:

Computers and Technology
1 answer:
otez555 [7]2 years ago
3 0

Answer:

B. until another thread issues a notify on the semaphore.

Explanation:

A semaphore is a variable that is shared between threads and is not negative. It also acts as a calling mechanism that uses two atomic operations wait and signal for synchronization of processes.

A thread that is waiting for a process can be signaled by another thread.

A semaphore puts a thread to sleep until another thread issues a notify on the semaphore.

The wait operation will get a semaphore or otherwise wait if the busy S semaphore is available.

The signal operation will release a semaphore or wake a process if there is a thread waiting for S.

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Answer:

a). SLE =$37.5

b). ARO =75

c). ALE = $2,812.5

Explanation:

a).Single loss Expectancy (SLE) is starting point in determining the single loss of an asset that will occur and calculated this;

SLE = asset value * exposure factor.

Asset value =$500,

Exposure factor is simply the percentage of asset lost.

In this case out of 1000 phones, 75 were damaged or loss.

In percentage;

75 ÷ 1000 =0.075, 0.075×100=7.5%(exposure factor).

Therefore,

SLE = $500×7.5%= $37.5.

b). ARO - Annual Rate of Occurrence is the number of times a threat on a single asset is expected to occur in one year.

In the case the damage or loss occured in 75 devices in one year.

c). ALE - Annualized loss Expectancy is the product of SLE and ARO.

Therefore;

ALE = $37.5 × 75 = $2,812.5.

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