The disk controller uses                  at each sector to ensure that the data is not corrupted on data retrieval.

Related MCQs

• The algorithm that uses a secondary ordered index to guide retrieval for comparison conditions involving <,≤,≥, or > is
• Hybrid disk drives are hard-disk systems that combine magnetic storage with a smaller amount of flash memory, which is used as a cache for frequently accessed data.
• Which of the following option is use to retrieval of data?
• Retrieval of data is done by using a ____:
• There are “record-once” versions of the compact disk and digital video disk, which can be written only once; such disks are also called                      disks.
•                      are used to ensure that transactions access each data item in order of the transactions’          if their accesses conflict.
• One aspect that has to be dealt with by the integrity subsystem is to ensure that only valid values can be assigned to each data items. This is referred to as
• In magnetic disk                  stores information on a sector magnetically as reversals of the direction of magnetization of the magnetic material.
• Optical disk technology uses
•                              partitions data and parity among all N+1 disks, instead of storing data in N-disks and parity in one disk.