A counting semaphore was initialized to 10. Then 6 P (wait) operations and 4 V (signal) operations were completed on this semaphore. The resulting value of the semaphore

A computer has six tape drives, with n processes competing for them. Each process may need two drives. What is the maximum value of n for the system to be deadlock free?

In a resident $$–OS$$ computer, which of the following systems must reside in the main memory under all situations?

The overlay tree for a program is as shown below:

What will be the size of the partition (in physical memory) required to load (and run) this program?