Which of the following occupies boot record of hard and floppy disks and activated during computer startup?

Related MCQs

• 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.
•                              partitions data and parity among all N+1 disks, instead of storing data in N-disks and parity in one disk.
• With multiple disks, we can improve the transfer rate as well by                        data across multiple disks.
• In a                clustering index, the index record contains the search-key value and a pointer to the first data record with that search-key value and the rest of the records will be in the sequential pointers.
• In a _______ clustering index, the index record contains the search-key value and a pointer to the first data record with that search-key value and the rest of the records will be in the sequential pointers.
•                          using a log record sets the data item specified in the log record to the old value.
• Optical disk                systems contain a few drives and numerous disks that can be loaded into one of the drives automatically (by a robot arm) on demand.
• A special redo-only log record < Ti, Xj, V1> is written to the log, where V1 is the value being restored to data item Xj during the rollback. These log records are sometimes called
• Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?
• Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?