Q6.7

A certain moving arm disk storage, with one head, has the following specifications: Number of tracks/recording surface $= 200$ Disk rotation speed $= 2400$ rpm Track storage capacity $= 62,500$ bits The average latency of this device is $\text{P}$ ms and the data transfer rate is $\text{Q}$ bits/sec. Write the values of $\text{P}$ and $\text{Q}$.