Consider a disk pack with 16 surfaces, 128 tracks per surface and 256 sectors per track. 512 bytes of data are stored in a bit serial fashion in a sector. The capacity of the disk pack and the numberofbits required to specify a particular sector in the disk respectively

A

256 MB,19 bits

B

256 MB, 28 bits

C

512 MB, 20 bits

D

64 GB, 28 bits