Section 17.2
Review Questions

Disk Drives

  1. What secondary storage device holds virtually data and programs for most computers?
  1. What size were the original floppy disks?
  1. What do we call the round things that actually store the data?
  1. In a hard disk drive, do the read/write heads actually touch the surfaces?
  1. How fast are the surfaces spinning in hard drives?
  1. How do bits actually get stored on a hard disk's surface?
  1. What is the motor called that moves the head back and forth across the surface?
  1. How is data stored on a hard disk's surface? Circle one:
               in a spiral              in concentric circles
  1. Is there just one read/write head?
  1. What is the fundamental unit of storage area on the surface of a disk?
  1. How big are sectors?
  1. Is every single square inch of a surface used for data in a disk drive?