Answer:
Assume that a context switch takes T time. Suggest an upper bound (in terms of T) for holding a spinlock. If the spinlock is held for any longer, a mutex lock (where waiting threads are put to sleep) is a better alternative.
Explanation:
The top limit is to be twice the value of (2xT). Holding the spinlock for a longer time, it will be necessary to put the thread to sleep and get a context switch, so one process awakes the sleeping thread without the need of a second context switch.
In process synchronization, cooperating process can affect or be affected by other processes executing in the system, either directly share a logical address space, both code and data, or be allowed to share data only through files or messages, although concurrent access to shared data may result in data inconsistency. But there are several mechanisms to help the orderly execution of cooperating processes that share a logical address space, so that data consistency is kept.
Answer:
$150,350
Explanation:
The computation of the cash collected in December is shown below:
Particulars Sept Oct Nov Dec
Sales $165,000 $156,000 $140,000 $177,000
Given percentage 30% 55% 15%
December collection amount $46,800 $77,000 $26,550
Total December collection $150,350
Answer:
The correct answer is Deceptive pricing.
Explanation:
The deceptive price occurs when companies intentionally cheat customers with price promotions, which in the end are not true. These practices, under the protection of marketing, seek to generate a desire in the buyer to take the items in "discount", either due to its upcoming expiration or simply by the inventory turnover.
Answer: The correct answer is choice C.
Explanation: The primary purpose of the legal reserve requirement is to provide a means by which monetary authorities can influence the lending ability of commercial banks. These policies are the way in which the Federal Reserve can control the money supply.
