True/False
Indicate whether the sentence or statement is true
or false.
|
|
|
1.
|
RAID
duplicates data, instructions, and information to improve data reliability.
|
|
|
2.
|
A
typical CD-ROM holds about 650 MB of data, instructions, and information.
|
|
|
3.
|
With
a CD-R, all of the disc must be written on at the same time.
|
|
|
4.
|
Using
a CD-RW disc, it is easy to backup large files from a hard disk.
|
|
|
5.
|
Not
only is the storage capacity of a DVD-ROM less than a CD-ROM, a DVD-ROM’s quality also is far
inferior to that of a CD-ROM.
|
|
|
6.
|
Although the size and shape are different, a DVD-ROM stores data, instructions, and
information in the same manner as a CD-ROM and thus has the same storage capacity.
|
Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
7.
|
Examples of storage media are all of the following except
__________. a. | floppy
disks | c. | compact
disks | b. | expansion cards | d. | tape | | | | |
|
|
|
8.
|
Storage devices access items in __________. a. | billionths of a
second (nanoseconds) | c. | thousandths of a
second (milliseconds) | b. | millionths of a second
(megaseconds) | d. | hundredths of a
second (centiseconds) | | | | |
|
|
|
9.
|
In
the early 1970s, __________ introduced the floppy disk as a new type of storage. a. | Intel | c. | IBM | b. | AT&T | d. | Microsoft | | | | |
|
|
|
10.
|
The
average time it takes a current floppy disk drive to locate an item on a disk is __________ of a
second. a. | 500 milliseconds
or 1/2 | c. | 167 milliseconds
or 1/6 | b. | 250 milliseconds or 1/4 | d. | 84 milliseconds or 1/12 | | | | |
|
|
|
|
|
|
11.
|
As
shown in the accompanying figure, a disk’s storage locations consist of pie-shaped sections,
which break the tracks into small arcs called __________. a. | backups | c. | shutters | b. | clusters | d. | sectors | | | | |
|
|
|
12.
|
A
floppy disk’s write-protect notch affects the floppy disk drive’s capability of
__________. a. | writing on the
disk | b. | reading from the
disk | c. | writing on the
disk and reading from the disk | d. | neither writing on the disk nor reading from the
disk | | |
|
|
|
13.
|
Hard
disks provide for __________ access times than floppy disks. a. | lesser storage
capacities and much slower | b. | greater storage capacities but much
slower | c. | lesser storage capacities but much
faster | d. | greater storage capacities and much
faster | | |
|
|
|
14.
|
Most
manufacturers guarantee their hard disks to last somewhere between __________ years. a. | one and
three | c. | five and
eight | b. | three and five | d. | eight and ten | | | | |
|
|
|
15.
|
The
contents of __________ only can be read; that is, the contents cannot be erased or
modified. a. | CD-ROMs | c. | CD-RWs | b. | CD-Rs | d. | all of the above | | | | |
|
|
|
16.
|
A 48X
CD-ROM drive has a data transfer rate of __________. a. | 48 (48 x 1) KB
per second or .04 MB per second | b. | 2,400 (48 x 50) KB per second or 2.4 MB per
second | c. | 4,800 (48 x 100) KB per second or 4.8 MB per
second | d. | 7,200 (48 x 150) KB per second or 7.2 MB per
second | | |
|
|
|
17.
|
A
DVD-RW is similar to a __________, except it has storage capacities up to 4.7 GB. a. | CD-R | c. | CD-RW | b. | floppy disk | d. | hard disk | | | | |
|
|
|
18.
|
On
larger computers, tape cartridges are mounted in a separate cabinet called a
__________. a. | tape
depository | c. | tape
library | b. | tape dispenser | d. | tape repository | | | | |
|
|
|
19.
|
Many
digital cameras and other handheld devices use __________. a. | 35 millimeter
film | c. | network
interface cards | b. | memory cards | d. | smart cards | | | | |
|
|
|
20.
|
__________ store microscopic images of documents on roll or sheet
film. a. | Microfilm and
microfiche | c. | CD-ROMs and
DVD-ROMs | b. | Floppy disks and hard disks | d. | Smart cards and memory cards | | | | |
|