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:
the sale price is the cheapest available.
Explanation:
Comparison shopping is the practice or nature of shopping where one compares the price of an item different sources which the individual wishes to purchase. This is done in advance before the actual purchase or shopping. It is done to achieve the best deal in price.
Comparison shopping is ideal or beneficial when buying items which can be easily researched through some advertisements. When doing comparison shopping it is not a good deal to always go for the lowest price available.
Thus, it is not considered a good deal when you go for the sale price that is the cheapest available.
Answer:
D. Land and construction costs are comparatively less expensive in Russia than in Canada
Explanation:
Option D would favor Russia ahead of Canada because of the fact that manufacturing costs are cheaper and they have easier access to Capital. I came to this conclusion since it has been stated that land and construction costs are cheaper in Russia.
In Economics the goal of every firm is to minimize cost and to maximize profit. Option D is cost minimizing for cool cars if they want to duplicate their overall success.
Nurse is an example of that
