capacity

Consider a 512 GB hard disk with 32 storage surfaces. There are 4096 sectors per track and each sector holds 1024 bytes of data. The number of cylinders in the hard disk is ______

How many $$32K\,\, \times \,\,1RAM$$ chips are needed to provide a memory capacity of $$256$$ $$K$$-bytes?

A certain moving arm disk-storage device has the following specifications: Number of tracks per surface $$=4004$$ Track storage capacity $$=130030$$ bytes Disk speed $$=3600$$ rpm...