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 average latency time (assume the head can move from one track to another only by traversing the entire track) is
A. | 2.5 s |
B. | 2.9 s |
C. | 3.1 s |
D. | 3.6 s |
Answer : A Explanation :
In 60 seconds, the disk rotates 2400 times. So it takes 25ms to rotate it one time. |
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Option: A Explanation : Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. Explanation will come here. |