Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
1.
|
Traditionally, hard disks stored data using ____ recording, which aligned the
magnetic particles horizontally around the surface of the disk.
a. | longitudinal | c. | horizontal | b. | perpendicular | d. | vertical |
|
|
|
Figure 7-1
|
|
|
2.
|
Current personal computer hard disks like the one shown in Figure 7-1 have
storage capacities from ____ and more.
a. | 160 KB to 1 MB | c. | 160 MB to 1 GB | b. | 160 GB to 1 TB | d. | 160 TB |
|
|
|
3.
|
Experts estimate that hard disks using perpendicular recording will provide
storage capacities about ____ times greater than disks that use longitudinal recording.
|
|
|
4.
|
Experts estimate that hard disks using perpendicular recording will provide
storage capacities about ____ than disks that use longitudinal recording.
a. | 10 times greater | c. | 100 times greater | b. | 10 times less | d. | 100 times less |
|
|
|
5.
|
Access time for today’s hard disks range from ____.
a. | 8 - 10 KBps | c. | 3 - 12 ms | b. | 3 - 12 MBps | d. | 5,400 - 15,000
rpm |
|
|
|
6.
|
An advantage of portable hard disks and removable hard disks is that users can
____.
a. | transport a large number of files | b. | add storage space to a notebook computer or
Tablet PC | c. | share a drive with multiple computers | d. | all of the
above |
|
|
|
Figure 7-2
|
|
|
7.
|
As shown on the left in Figure 7-2, a(n) ____ hard disk is a separate
free-standing hard disk that connects with a cable to a USB port or FireWire port on the system
unit.
a. | removable | c. | mobile | b. | portable | d. | external |
|
|
|
8.
|
A floppy disk has storage capabilities up to ____.
a. | 1.44 KB | c. | 1.44 MB | b. | 1.44 GB | d. | 1.44 TB |
|
|
|
9.
|
A(n) ____ disc is a type of storage media that consists of a flat, round,
portable disc made of metal, plastic, and lacquer that is written and read by a laser.
a. | magnetic | c. | laser-ready | b. | solid-state | d. | optical |
|
|
|
10.
|
All of the following may scratch or damage an optical disc except
____.
a. | holding a disk by its edges | c. | touching the underside of a
disc | b. | stacking disks | d. | exposing disks to any type of contaminant |
|
|
|
11.
|
A mini-DVD that has grown in popularity is the ____, which works specifically
with the PlayStation Portable handheld game console.
a. | DVD+RAM | c. | Blu-ray | b. | UMD | d. | HD-DVD |
|
|
|
12.
|
The storage capacity of a DVD-ROM is ____ that of a CD because images are stored
at higher resolutions.
a. | greater than a CD, and a DVD’s quality far surpasses | b. | less than a CD, but
a DVD’s quality far surpasses | c. | greater than a CD, but a DVD’s quality is
far less than | d. | less than a CD, and a DVD’s quality is far less
than |
|
|
|
13.
|
BD-R and ____ are competing high-capacity DVD-recordable formats.
a. | DD DVD-R | c. | CD DVD-R | b. | HD DVD-R | d. | UMD DVD-R |
|
|
|
14.
|
A(n) ____ flash memory card has a storage capacity of 128 MB to 8 GB.
a. | CompactFlash | c. | Secure Digital | b. | Memory Stick PRO Duo | d. | xD Picture Card |
|
|
|
15.
|
One popular use of ____ is to store a prepaid amount of money, as in a prepaid
telephone calling card.
a. | smart cards | c. | PC Cards | b. | floppy disks | d. | hard disks |
|
|
|
16.
|
The ____ is the core of an operating system that maintains the computer’s
clock, starts applications, and assigns the computer’s resources, such as devices, programs,
data, and information.
a. | cell | c. | nexus | b. | grid | d. | kernel |
|
|
|
17.
|
The BIOS executes a series of tests, collectively called the ____, which check
the various system components including the buses, system clock, adapter cards, RAM chips, mouse,
keyboard, and drives.
a. | boot | c. | POST | b. | preemption | d. | UNIX |
|
|
|
Figure 8-3
|
|
|
18.
|
When first developed by Microsoft, ____ used a command-line interface like the
one in Figure 8-3, but later versions included both command-line and menu driven user
interfaces.
a. | Windows XP | c. | Mac OS X | b. | DOS | d. | UNIX |
|
|
|
Figure 8-4
|
|
|
19.
|
The Aero interface in Windows Vista shown in Figure 8-4 offers ____.
a. | an enhanced visual look | c. | additional navigation
options | b. | animation | d. | All of the above |
|
|
|
20.
|
With a ____, users interact with menus and visual images such as icons, buttons,
and other objects to issue commands.
a. | command-line interface | c. | performance-monitor interface | b. | menu-driven
interface | d. | graphical user
interface (GUI) |
|
|
|
21.
|
Some operating systems include a ____.
a. | word processor | c. | Web browser | b. | presentation graphics
application | d. | All of the
above |
|
|
|
22.
|
____ is the process of encoding data and information into an unreadable
form.
a. | Encryption | c. | Transmission | b. | Formatting | d. | Spooling |
|
|
|
23.
|
A(n) ____ is a type of system software that allows a user to perform
maintenance-type tasks, usually related to managing a computer, its devices, or its programs.
a. | driver | c. | utility | b. | scanner | d. | defragmenter |
|
|
|
24.
|
Screen savers originally were developed to prevent a problem called ____, in
which images could be permanently etched on a monitor’s screen.
a. | thrashing | c. | ghosting | b. | paging | d. | hacking |
|
|
|
25.
|
Examples of stand-alone operating systems include all of the following
except ____.
a. | Windows Vista | c. | Mac OS X | b. | NetWare and Solaris | d. | UNIX and Linux |
|
|
|
26.
|
Released in 2006, ____ is an upgrade to Windows XP.
a. | DOS | c. | Windows Vista | b. | Windows Professional x64
Edition | d. | Windows
Millennium |
|
|
|
27.
|
____ includes features from previous Apple computer operating systems, such as
large photo-quality icons, built-in networking support, and enhanced speech recognition.
a. | DOS | c. | Linux | b. | UNIX | d. | Mac OS X |
|
|
|
28.
|
Bell Labs licensed ____ for a low fee to numerous colleges and universities,
where the operating system obtained a wide following.
a. | Linux | c. | UNIX | b. | DOX | d. | Windows XP |
|
|
|
29.
|
Like Linux, ____ is a multipurpose operating system because it is both a
stand-alone and network operating system.
a. | NetWare | c. | Mac OS X | b. | UNIX | d. | Windows XP |
|
|
|
30.
|
A ____ does not replicate itself to other computers.
a. | virus | c. | Trojan horse | b. | worm | d. | all of the
above |
|
|
|
31.
|
Compressed files, sometimes called ____.
a. | ripped files, usually have a .rip extension | b. | tipped files,
usually have a .tip extension | c. | slipped files, usually have a .slip
extension | d. | zipped files, usually have a .zip extension |
|
|
|
32.
|
A(n) ____ device is a device that initiates an instruction to transmit data,
instructions, or information.
a. | sending | c. | initiating | b. | receiving | d. | integrated |
|
|
|
33.
|
A(n) ____ device is a device that accepts the transmission of data,
instructions, or information.
a. | sending | c. | initiating | b. | receiving | d. | transceiving |
|
|
|
34.
|
____ is a real-time Internet communications service that allows wireless mobile
devices to exchange messages with one or more mobile devices or online users.
a. | A chat room | c. | MMS | b. | Wireless instant messaging | d. | Voice mail |
|
|
|
35.
|
A(n) ____ is a navigation system that consists of one or more earth-based
receivers that accept and analyze signals sent by satellites in order to determine the
receiver’s geographic location.
|
|
|
36.
|
Groupware is a component of a broad concept called ____, which includes network
hardware and software that enables group members to communicate, manage projects, schedule meetings,
and make group decisions.
a. | public Internet access | c. | Web services | b. | workgroup computing | d. | short message
service |
|
|
|
37.
|
Businesses are the primary users of ____ because this technology provides a
means for departments to communicate with each other, suppliers, vendors, and with clients.
a. | groupware | c. | global positioning systems | b. | Web
services | d. | short message
services |
|
|
|
38.
|
A(n) ____ is a LAN that uses no physical wires.
|
|
|
39.
|
A network server is a dedicated server that ____.
a. | stores and manages files | c. | stores and provides access to a
database | b. | manages printers and print jobs | d. | manages network traffic
(activity) |
|
|
|
40.
|
One popular use of the ____ network standard is in hot spots that offer mobile
users the ability to connect to the Internet with their wireless computers and devices.
a. | Ethernet | c. | TCP/IP | b. | token ring | d. | Wi-Fi |
|
|
|
41.
|
Although ____ are not a type of standard telephone line, they are very popular
ways for the home user to connect to the Internet.
a. | ISDN lines | c. | T-carrier lines | b. | DSL | d. | cable television (CATV)
lines |
|
|
|
42.
|
The most popular T-carrier line is the ____.
a. | T1 line | c. | T3 line | b. | T2 line | d. | T4 line |
|
|
|
43.
|
____ is a service that carries voice, data, video, and multimedia at extremely
high speeds.
a. | ATM | c. | Fractional T1 | b. | DSL | d. | ADSL |
|
|
|
44.
|
A DSL ____ sends digital data and information from a computer to a DSL line and
receives digital data and information from a DSL line.
a. | carrier | c. | index | b. | modem | d. | network card |
|
|
|
45.
|
For data transmission to occur, ____ of a standard telephone line must have a
dial-up modem.
a. | only the sending end | c. | both the sending and receiving ends | b. | only the receiving
end | d. | neither the sending nor
receiving end |
|
|
|
46.
|
Each networked computer in a house can ____.
a. | share a single high-speed Internet connection | b. | access files and
programs on other computers in the house | c. | share peripherals such as a printer, scanner,
external hard disk, or DVD drive | d. | all of the
above |
|
|
|
47.
|
The amount of data, instructions, and information that can travel over a
communications channel sometimes is called the ____.
a. | broadband | c. | baseband | b. | latency | d. | bandwidth |
|
|
|
48.
|
____ is the time it takes a signal to travel from one location to another on a
network.
a. | Latency | c. | Frequency | b. | Symmetry | d. | Delay register |
|
|
|
49.
|
____ is an electrical disturbance that can degrade communications.
a. | Latency | c. | Coax | b. | Noise | d. | Hub |
|
|
|
50.
|
Broadcast radio is ____ susceptible to noise than physical transmission media
but it provides flexibility and portability.
a. | slower and more | c. | faster and more | b. | slower and less | d. | faster and less |
|