Computing Essentials
Chapter 7: Secondary Storage 二级存储
MATCHING
Match each numbered item with the most closely related lettered item. Write your answers in the spaces provided.
Choices
a. DVD (Digital Versatile Disc)
b. file compression
c. hi-def
d. network attached storage
e. secondary storage
f. sectors
g. SSD (Solid-State Drives)
h. storage area network (SAN)
i. storage devices
j. tracks
Descriptions
1. Provides permanent or nonvolatile storage.
(Answer: e. secondary storage)
2. Hardware that reads data and programs from storage media.
(Answer: i. storage devices)
3. Concentric rings on a hard-disk platter.
(Answer: j. tracks)
4. Each track is divided into invisible wedge-shaped sections called ___.
(Answer: f. sectors)
5. Increases storage capacity by reducing the amount of space required to store data and programs.
(Answer: b. file compression)
6. Optical disc most common on today’s personal computers.
(Answer: a. DVD)
7. The next generation of optical discs.
(Answer: c. hi-def)
8. Similar to internal hard-disk drives except they use solid-state memory.
(Answer: g. solid-state drives)
9. Mass storage device widely used for home and small business storage.
(Answer: d. network attached storage)
10. Architecture to link remote storage devices to computers such that the devices are as available as locally attached devices.
(Answer: h. storage area network)
参考文献
《计算机科学引论(2021英文精编版)》,Timothy J. O’Leary, Linda I. O’Leary, Daniel A. O’Leary 著,北京,机械工业出版社,2020年9月。