The header and trailer of a sector contain information used by the disk controller such as                    and                    

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.
•              controller sends the command placed into it, via messages to the             controller.
• If a process needs I/O to or from a disk, and if the drive or controller is busy then
• A set of hard disk drives with a controller mounted in a single box, forming a single large storage unit is                          
• 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.
• The time taken for the desired sector to rotate to the disk head is called
• What is the host controller?
• The command used to create logical drive for specific location of disk
• If there are multiple recycle bin for a hard disk