Operating System MCQs

A. Then a deadlock does not exist
B. Then a deadlock exists
C. Then the system is in a safe state
D. Either deadlock exists or system is in a safe state

A. Rarely
B. Frequently
C. Rarely & frequently
D. None of the mentioned

A. Overhead of the detection algorithm due to consumption of memory
B. Excessive time consumed in the request to be allocated memory
C. Considerable overhead in computation time
D. All of the mentioned

A. Increase
B. Drop
C. Stay still
D. None of the mentioned

A. The set of processes that have been deadlocked
B. The set of processes in the deadlock queue
C. The specific process that caused the deadlock
D. All of the mentioned

A. 2
B. 3
C. 4
D. 1

A. Can never occur
B. May occur
C. Has to occur
D. None of the mentioned

A. Can never occur
B. May occur
C. Has to occur
D. None of the mentioned

A. Is same as any other regular file
B. Must be accessed at specific rate
C. Stored on remote server can not be delivered to its client
D. None of the mentioned

A. Single threaded
B. Multithreaded
C. Both single threaded and multithreaded
D. None of the mentioned