Operating System MCQs

A. Program
B. Critical section
C. Non €? critical section
D. Synchronizing

A. Mutual exclusion
B. Progress
C. Bounded waiting
D. All of the mentioned

A. If a process is executing in its critical section, then no other process must be executing in their critical sections
B. If a process is executing in its critical section, then other processes must be executing in their critical sections
C. If a process is executing in its critical section, then all the resources of the system must be blocked until it finishes execution
D. None of the mentioned

A. After a process has made a request to enter its critical section and before the request is granted
B. When another process is in its critical section
C. Before a process has made a request to enter its critical section
D. None of the mentioned

A. One
B. Two
C. Three
D. Four

A. Each process is put into a queue and picked up in an ordered manner
B. Each process receives a number (may or may not be unique) and the one with the lowest number is served next
C. Each process gets a unique number and the one with the highest number is served next
D. Each process gets a unique number and the one with the lowest number is served next

A. Semaphore
B. Low level synchronization construct
C. High level synchronization construct
D. None of the mentioned

A. A set of programmer defined operators
B. An identifier
C. The number of variables in it
D. All of the mentioned

A. Process, semaphore
B. Process, monitor
C. Semaphore, semaphore
D. Monitor, monitor

A. Only one process can be active at a time within the monitor
B. N number of processes can be active at a time within the monitor (n being greater than 1)
C. The queue has only one process in it at a time
D. All of the mentioned