In a university library system, 5 students can read a numeric book at the same time, but only one librarian can update the catalog at a time.
Which synchronization mechanism applies to each resource?

Question

In a university library system, 5 students can read a numeric  book  at the same time, but only one librarian can update the  catalog  at a time.
Which synchronization mechanism applies to each resource?

Answer

Protect the catalog with a  mutex , and control access
to books with a  semaphore .

Answer

Use a  semaphore 
for both catalog and books.

Answer

Use a  mutex 
for both catalog and books.

Answer

Protect the catalog with a  semaphore , and control access to books with a  mutex .

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In a university library system, 5 students can read a numeric book at the sam...

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