Whenever a process needs I/O to or from a disk it issues a                              

Related MCQs

• The process of dividing a disk into sectors that the disk controller can read and write, before a disk can store data is known as
• In the              algorithm, the disk arm starts at one end of the disk and moves toward the other end, servicing requests till the other end of the disk. At the other end, the direction is reversed and servicing continues.
• If a process needs I/O to or from a disk, and if the drive or controller is busy then
• In the                algorithm, the disk head moves from one end to the other, servicing requests along the way. When the head reaches the other end, it immediately returns to the beginning of the disk without servicing any requests on the return trip.
• Whenever you move a directory from one location to another
• Whenever the data is found in the cache memory it is called as                    
• Any electronic holding place where data can be stored and retrieved later whenever required is                          
• When the process issues an I/O request
• When the process issues an I/O request                      
• A system has 3 processes sharing 4 resources. If each process needs a maximum of 2 units then, deadlock