Consider a hard disk with the following specifications.3.5in diameter3840 RPM10 platters, and 2 surfaces each platterUsable capacity: 10GBNumber of cylinders: 2561 block = 4 KB20% overhead between blocks (gaps)Average seek time: 20 ms.a) Which of the following is true?a) The average time to read a track is approximately 30.14msb) The average time to access a block is approximately 6.95msc) The average time to read a track is approximately 43.44msd) The average time to read 4 adjacent blocks is approximately 20.08 msb) Which of the following statements is true?a) Each cylinder has 10240 blocksb) Each cylinder has 5120 blocksc) Each cylinder has 20MBytesd) Each cylinder has 20480 blocks
