Vocabulary Exercises 1. Dynamic RAM requires frequent to maintain its data content. 2. The rate is the speed at which data can be moved to or from a storage device over a communication channel. 3. Three standard optical storage media that are written only during manufacture are called and 4. , and are competing standards for muritable DVD discs. 5. The of a hard disk drive generate or respond to a magnetic field. 6. Data stored on magnetic media for long periods of time might be lost because of and 7. The contents of most forms of RAM are , making them unsuitable for long-term data storage. 8. IGNORE 9. is a flash RAM technology that provides higher capacity than traditional 2D/planar flash RAM technology. 10. is typically stated in milliseconds for secondary storage devices and nanoseconds for primary storage devices. 11. The three components that are summed to calculate average access time for a disk drive are and 12. In a magnetic or optical disk drive, a read/write head is mounted on the end of a(n) IGNORE 13. A(n) mimics the behavior and physical size of a magnetic disk drive but has no moving parts. 14. A(n) is a series of sectors stored along one concentric circle on a platter. track 15. The data transfer rate of a magnetic or optical disk drive can be calculated by dividing 1 by the drive's access time and multiplying the result by the 16. , and are storage formats originally designed for music or video recording that have been applied to computer data storage. 17. Average access time can usually be improved by files stored on a disk. 18. Modern desktop and laptop computers generally use memory packaged on small standardized circuit boards called 19. The of a magnetic or optical storage medium is the ratio of bits stored to a unit of the medium's surface area. 20. For most disk drives, the unit of data access and transfer is a(n) or 21. Software programs stored permanently in ROM are called firmware.

1. Vocabulary Exercises 1. Dynamic RAM requires frequent to maintain its data content. 2. The
rate is the speed at which data can be moved to or from a storage device over a communication
channel. 3. Three standard optical storage media that are written only during manufacture are
called and 4. , and are competing standards for muritable DVD discs. 5. The of a hard disk drive
generate or respond to a magnetic field. 6. Data stored on magnetic media for long periods of
time might be lost because of and 7. The contents of most forms of RAM are , making them
unsuitable for long-term data storage. 8. IGNORE 9. is a flash RAM technology that provides
higher capacity than traditional 2D/planar flash RAM technology. 10. is typically stated in
milliseconds for secondary storage devices and nanoseconds for primary storage devices. 11. The
three components that are summed to calculate average access time for a disk drive are and 12.
In a magnetic or optical disk drive, a read/write head is mounted on the end of a(n) IGNORE 13.
A(n) mimics the behavior and physical size of a magnetic disk drive but has no moving parts.
14. A(n) is a series of sectors stored along one concentric circle on a platter. track 15. The data
transfer rate of a magnetic or optical disk drive can be calculated by dividing 1 by the drive's
access time and multiplying the result by the 16. , and are storage formats originally designed for
music or video recording that have been applied to computer data storage. 17. Average access
time can usually be improved by files stored on a disk. 18. Modern desktop and laptop computers
generally use memory packaged on small standardized circuit boards called 19. The of a
magnetic or optical storage medium is the ratio of bits stored to a unit of the medium's surface
area. 20. For most disk drives, the unit of data access and transfer is a(n) or 21. Software
programs stored permanently in ROM are called firmware