engineering computer science MCQ #165

A disk has 10,000 RPM, 512 bytes/sector, 100 sectors/track. What is the data transfer rate?

engineering computer science MCQ #165

  1. Question 1

    Q1. A disk has 10,000 RPM, 512 bytes/sector, 100 sectors/track. What is the data transfer rate?

    • A) 8.33 MB/s
    • B) 8.53 MB/s
    • C) 8.93 MB/s
    • D) 8.73 MB/s

    Answer: 8.33 MB/s

    Explanation: Data transfer rate = (RPM / 60) * sectors per track * bytes per sector = (10000 / 60) * 100 * 512 = 8.53 MB/s, but actually it is (10000/60)*512*100/1024/1024 = 8.33 MB/s considering 1024 bytes = 1 KB.