Structure of Operating system November 27, 2020wefru 3 Created on November 27, 2020 By wefru Structure of Operating system TEST YOUR SKILLS 1 / 10 Q. 71) Mutual exclusion can be provided by the __________ Mutex Semaphore Both mutex and library semaphore None 2 / 10 Q. 72) Process synchronization can be done on __________ Hardware Software Both hardware and software None 3 / 10 Q. 73) In UNIX, each process is identified by its __________ Process identifier Process control block Processing Counter Process bit 4 / 10 Q. 74) The child process completes execution, but the parent keeps executing, then the child process is known as __________ Orphone Zombie Carde None 5 / 10 Q. 75) the direct method of deadlock prevention is to prevent the occured as Hold and wait Circular wait No preemption Preemption 6 / 10 Q. 76) algorithm which are used to increase the performance of disk storage subsystem is called ______ Disk recovery Disk preemption Disk storage Disk Scheduling 7 / 10 Q. 77) is the time require to move disk arm to the required task End time Start time Seek time Arm time 8 / 10 Q. 78) the first operating system developed in the year of 1940 1950 1956 1970 9 / 10 Q. 79) which of the following is approach to dealing with a deadlock Preemption Deletion Prevention Occurance 10 / 10 Q. 80) the unit of dispatching is usually referred as Thread Lightweight process Process Thread and lightweight process Your score is The average score is 47% LinkedIn Facebook Twitter VKontakte 0% Restart quiz