File and Input/Output System Q.41

0. A certain moving arm disk storage with one head has following specifications : Number of tracks I recording surface 100 Disk rotation speed 2400 rpm Track storage capacity= 62500 bits
The transfer rate will be

Answer
Comment
Array

Option : A
Explanation : In 25 ms, one rotation is completed and all the 62500 bits are transferred. So in 1ms, 2500 bits are transferred. Accordingly, in 1s, 2.5Mb are transferred. Thats why the speed is 2.5Mb/s
MB - Mega Bytes,
Mb-Mega bits

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