POSIX Named Semaphores

question 18

Multiple Choice

POSIX named semaphores

• A) can easily be used by multiple unrelated processes.
• B) can be initialized during creation time.
• C) uses sem_wait( ) and sem_post( ) to acquire and release a semaphore respectively.
• D) All of the above.

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Definitions:

Discount Factor(s)

A multiplicative factor used to determine present value of future cash flows, reflecting the time value of money and risk of the cash flows.

Straight-Line Depreciation

A technique for distributing the expense of a physical asset across its lifespan in uniform yearly sums.

Straight-Line Depreciation

A method of allocating an asset's cost evenly across its useful life, resulting in a consistent annual depreciation expense.

Simple Rate of Return

A calculation that measures the gain or loss on an investment over a specified period, expressed as a percentage of the investment's cost.