You can try the full form of RAID and gain confidence at least in RAID meaning. Edumantra takes good care of you so buying books for competitive exams is not necessary. Additionally we would like to tell that the full form of RAID is Redundant Array Of Independant.
The abbreviation or full form of RAID is Redundant Array of Independent Disks. It is originally referred to as Redundant Array of Inexpensive Disks.
Additional information about RAID
RAID is the mechanism of storing the data on multiple disks. This mechanism is in place to ensure that data is readily available to avoid fault tolerance and improve overall performance.
It can also be used to increase the amount of storage space. This mechanism is most commonly used on servers andis not necessarily required for personal computers.
In this, that is distributed across different drives as RAID levels depending upon the specific level of redundancy and performance required. The different levels are RAID 0, RAID 1, RAID 2, RAID 3, RAID 4, RAID 5 and RAID 6.