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CPT 101  FALL  2009  Test 2

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 
In CRT monitors, images are produced by
a.
moving an electron beam back and forth across a phosphor-coated screen.
b.
having separate transistors control each pixel.
c.
converting analog signals to digital signals.
d.
passing an electric current through liquid crystals.
 

 2. 
In contrast to flat-panel displays, CRT monitors
a.
are more expensive.
b.
are smaller, thinner, and lighter.
c.
consume less power.
d.
use analog signals.
 

 3. 
If you want a notebook computer with the clearest, sharpest image, choose one with a
a.
liquid crystal display.
b.
dual-scan display.
c.
thin-film transistor display.
d.
passive-matrix display.
 

 4. 
A flickering image on a computer monitor could indicate a problem with
a.
refresh rate.
b.
resolution.
c.
video memory.
d.
bit depth.
 

 5. 
Which type of output display is also called an RGB monitor?
a.
flat-panel display
b.
cathode ray tube color monitor
c.
wearable display
d.
monochrome television display
 

 6. 
Which one of the following is an impact printer?
a.
photo printer
b.
ink-jet printer
c.
laser printer
d.
dot-matrix printer
 

 7. 
Which one of the following determines print quality in dot-matrix printing?
a.
characters per second
b.
number of pins
c.
dots per inch
d.
pages per minute
 

 8. 
A laser printer uses technology similar to that of a
a.
digital camera.
b.
typewriter.
c.
photocopy machine.
d.
printing press.
 

 9. 
Which type of printer uses technology involving a rotating drum?
a.
plotter
b.
laser printer
c.
dot-matrix printer
d.
ink-jet printer
 

 10. 
Which type of printer is used to produce large-sized high-quality architectural drawings?
a.
photograph printer
b.
ink-jet printer
c.
laser printer
d.
plotter
 

 11. 
Permanent storage is also known as
a.
auxiliary storage.
b.
random-access memory.
c.
internal storage.
d.
main storage.
 

 12. 
In contrast to a hard disk, a floppy disk
a.
provides sequential access to data and information.
b.
is a removable storage medium.
c.
is a temporary storage medium.
d.
uses a magnetic storage device.
 

 13. 
Manufacturers are eliminating floppy drives from certain models of computers because
a.
many other storage options are available.
b.
floppy drives have become too costly to install.
c.
floppy drives are difficult to use.
d.
floppy drives require high maintenance.
 

 14. 
Ergonomics includes
a.
the proper care of floppy disks.
b.
the best way to sit at a computer.
c.
ways to improve the data transfer rate.
d.
money-saving ideas for assembling a computer system.
 

 15. 
In most instances, the hard drive is
a.
able to be removed from the system unit.
b.
interchangeable with the floppy disk drive.
c.
fixed within the system unit housing.
d.
located outside the system unit.
 

 16. 
Tape cartridges are used for all the following purposes except
a.
to back up the contents of a hard drive.
b.
to archive large amounts of data for historical purposes.
c.
to back up company data on a daily basis.
d.
to store frequently needed user files.
 

 17. 
What is the main advantage that DVD-ROM offers over CD-ROM?
a.
compatible with several types of disc drive
b.
much faster data transfer
c.
huge amounts of storage capacity
d.
considerably less expensive
 

 18. 
In contrast to magnetic disk storage, magnetic tape storage accesses information
a.
in random order.
b.
more quickly.
c.
sequentially.
d.
directly.
 

 19. 
Which of these network components functions as a channel through which data are transmitted?
a.
communications software
b.
telephone lines
c.
modem
d.
computer
 

 20. 
Bandwidth is measured in
a.
bytes per second.
b.
bites per second.
c.
bots per second.
d.
bits per second.
 

 21. 
What is the function of a modem?
a.
to raise the pitch of signals coming into the computer
b.
to slow the frequency rate of signals coming into the computer
c.
to allow access to the Internet service provider
d.
to convert signals coming into the computer to digital form
 

 22. 
Which type of modem did most personal computers originally use?
a.
external modem
b.
dial-up modem
c.
cable modem
d.
internal modem
 

 23. 
Why is parallel transmission faster than serial transmission?
a.
A group of bits is transmitted at the same time over separate paths.
b.
The bits are transmitted one after another in a continuous line.
c.
Telephone lines have been established to accommodate parallel transmission.
d.
Parallel ports are designed and built to allow high-speed transmission.
 

 24. 
Which wired communications medium is readily available and low in price?
a.
fiber-optic cable
b.
twisted-pair cable
c.
broadband coaxial cable
d.
baseband coaxial cable
 

 25. 
In contrast to twisted-pair cable, coaxial cable
a.
consists of two parallel copper wires.
b.
can carry much more data.
c.
is less expensive.
d.
requires repeater stations to strengthen communication signals.
 

 26. 
In contrast to twisted-pair and coaxial cable, fiber-optic cable
a.
converts data into beams of light.
b.
consists of an insulated center wire.
c.
contains copper conductors.
d.
transmits electrical signals.
 

 27. 
Which of these is the strongest competitor to DSL?
a.
ISDN lines
b.
Cable modems
c.
T3 lines
d.
T1 lines
 

 28. 
Where is the most likely location for a microwave station?
a.
in outer space
b.
on top of a mountain
c.
in a user’s backyard
d.
in a valley
 

 29. 
Which wireless communications medium uses light waves instead of radio waves?
a.
infrared technology
b.
microwave systems
c.
satellite systems
d.
cellular technology
 

 30. 
What are transponders?
a.
small radios in a communications satellite
b.
signals that are amplified and retransmitted to earth
c.
people who work in a satellite system’s earth stations
d.
companies that invest in satellite systems
 

 31. 
Which one of the following assists cell phone communication?
a.
microwave station
b.
earth station
c.
transmission tower
d.
communications satellite
 

 32. 
Computers linked in a single network on a college campus are an example of a
a.
MAN.
b.
PAN.
c.
LAN.
d.
WAN.
 

 33. 
A wide area network limited to a specific site, such as a city or town, is a
a.
PAN.
b.
VPN.
c.
VAN.
d.
MAN.
 

 34. 
What is the name for a network that is housed within an organization to serve internal users?
a.
intranet
b.
intrenet
c.
Ethernet
d.
Internet
 

 35. 
What is an extranet?
a.
an additional internal network in case of system failure
b.
users who live in the local area network
c.
a network that allows authorized external users access to an organization’s internal network
d.
a network that exists independent of an organization’s internal network
 

 36. 
Which network topology features computers and peripheral devices linked to a central computer?
a.
hybrid
b.
bus
c.
ring
d.
star
 

 37. 
What is another name for repeaters?
a.
responders
b.
amplifiers
c.
splitters
d.
transceivers
 

 38. 
Which one of the following allows communication between a star network and a ring network?
a.
gateways
b.
bridges
c.
multiplexes
d.
concentrators
 

 39. 
What is required to make each networked client computer on a LAN work?
a.
a NIC
b.
a WAN
c.
a hub
d.
a spoke
 

 40. 
What are communications protocols?
a.
capabilities provided by communications software programs, such as e-mail and use of Web browsers
b.
rules and procedures for exchanging information among computers on a network
c.
standard specifications for manufacturing communications hardware
d.
acceptable ways for computer users to behave when they are online
 



 
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