Operating Systems Quiz 2: 12 April 2026 (January 2026 term)

Select all that apply.

1. A

   Mutual exclusion is guaranteed.

2. B

   The solution satisfies the progress condition.

3. C

   Bounded waiting is guaranteed.

4. D

   Deadlock can occur if one process is slow.

Select all that apply.

1. A

   Mutexes use busy wait while trying to acquire the lock.

2. B

   Mutexes can be also implemented with spinlocks

3. C

   A blocking semaphore with S initialized to 1 is similar to a mutex.

4. D

   The Thundering herd problem of the mutexes can be solved using a queue.

Select all that apply.

1. A

   The command gcc file1.c file2.c -o output produces an executable named output.

2. B

   The command gcc -c file1.c file2.c -o output produces an executable named output.

3. C

   The command gcc -c file1.c file2.c produces file1.o and file2.o.

4. D

   The command gcc file1.o file2.o -c -o output produces an executable named output.

5. E

   The command gcc file1.o file2.o -o output links the object files into an executable named output.