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Embedded Systems MCQs

What is the difference between binary semaphore and mutex?

Mutexes are typically used to serialise access of simultaneous users of a shared resource up to a maximum number

Mutexes are typically used to serialise access to a section of re-entrant code that cannot be executed concurrently by more than one process

A semaphore object only allows one process into a controlled section,forcing other processes

A semaphore restricts the number of simultaneous users of a shared resource up to a maximum number

Answer

Correct Answer: A semaphore restricts the number of simultaneous users of a shared resource up to a maximum number

Explanation:

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