____ semaphores are used in the solution to the readers and writers problem that does not involve starvation.
A) Zero
B) One
C) Two
D) Three

Question

Quizplus · Accepted Answer

In the solution to the readers and writers problem that does not involve starvation, we need two semaphores - a mutex semaphore and a reader_count semaphore. The mutex semaphore ensures that only one process is accessing the shared resource (the file) at a time. The reader_count semaphore keeps track of the number of readers currently reading the file. This solution allows multiple readers to access the file simultaneously, but only one writer can access the file at a time, ensuring that no writer is starved of access. Therefore, the correct choice is C) Two.

____ Semaphores Are Used in the Solution to the Readers