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.
Using transitions helps to guide your audience effectively in a presentation. To introduce your next topic of discussion, you can’t just simply switch. You need transitions to “transition” from one topic to another smoothly.
Answer:
B, Multivendor
Explanation:
Outsourcing is when a firm delegates or partners with one or more other firms to ease its stress in its tasks
Multivendor outsourcing is the type of outsourcing in which a firm works with multiple firms in its tasks. Multivendor outsourcing is a good way of outsourcing but it is more costly, task approval or communication process is slower, integration of components; compared to other outsourcing types.
Cheers
False. The stock market is essential to the economy. The Great Depression is a prime example.
