Definition: Cluster


A cluster is defined as an allocation unit. It is a group of sectors. Most file systems group sectors together and handle the group as one unit. The cluster size (number of sectors per cluster) varies with the storage media and is fixed at time of format. At least one cluster is allocated to each file, regardless of the file's size, that is stored in the DOS environment.




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Data Recovery Fact

Driver

A small software program that controls specific device. Every device has its own driver, for example printer and modem. The driver software is not for the end user else it tells the computer how to interact with the specific device.

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