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Which of the following need to be stored in the data dictionary
The subsystem responsible for the allocation of buffer space is called as _______
What is the full form of LRU (in buffer replacement strategy)
The _________ is the fastest and most costly form of storage, which is relatively small; its use is managed by the computer system hardware
Which of the following stores several gigabytes of data but usually lost when power failure
The flash memory storage used are
__________ is increasingly being used in server systems to improve performance by caching frequently used data, since it provides faster access than disk, with larger storage capacity than main memory
Which is the cheapest memory device in terms of costs/bit
The primary medium for the long-term online storage of data is the __________ where the entire database is stored on magnetic disk
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
There are “record-once” versions of compact disk and digital video disk, which can be written only once; such disks are also called __________ disks
Tape storage is referred to as __________ storage
In magnetic disk ________ stores information on a sector magnetically as reversals of the direction of magnetization of the magnetic material
A __________ is the smallest unit of information that can be read from or written to the disk
The disk platters mounted on a spindle and the heads mounted on a disk arm are together known as ___________
The disk controller uses ________ at each sector to ensure that the data is not corrupted on data retrieval
_________ is the time from when a read or write request is issued to when data transfer begins
The time for repositioning the arm is called the ________ and it increases with the distance that the arm must move
_________ is around one-half of the maximum seek time
Once the head has reached the desired track, the time spent waiting for the sector to be accessed to appear under the head is called the _______________
total questions: 197

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