Utility software

is a computer software which is design to help manage or tune your computer.Utility
software can also be called service program,service routine,tool or utility routine.
Some examples of computer utility software: disk defragmenters system profilers
virus scanners archive compression encryption and application launchers
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USB flash drive (browser and virus scanner)
A flash drive consists of a small printer circiut typically ina plastic or metal casing,making the drive sturdy
enough to be carried about in a pocket