Chp. 7

25 July 2022
4.7 (114 reviews)
104 test answers

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question
What method is used to read a bar code?
answer
A bar code reader uses laser beams to read bar codes.
question
The kind of mouse on the right in the accompanying figure is motion-sensing. What kind of mouse is this?
answer
touch
question
Label printers typically use thermal technology.
answer
True
question
When printing a document, laser printers process and store the entire page before they actually print it.
answer
True
question
Which of the following is the most advanced form of digital television?
answer
HDTV
question
Which of the following is a touch-sensitive display device that users interact with by touching the screen with a finger or a stylus?
answer
touch screen
question
Which of the following kinds of printers offers an alternative for blind users?
answer
Braille
question
Multifunction printers require less space than having separate devices.
answer
True
question
Impact printers are noisy because a mechanism strikes against an inked ribbon that physically contacts the paper.
answer
True
question
What is a device that attaches to a ceiling or wall in an auditorium that displays text and images on a screen called?
answer
data projector
question
Which of the following reads the magnetic stripe on the back of credit cards, entertainment cards, bank cards, and other similar cards?
answer
magstripe reader
question
Many personal computers and local devices have small internal speakers that emit only low-quality sound. To boost the low bass sounds, what do surround sound speaker systems include?
answer
a subwoofer
question
The lower the time in milliseconds it takes to turn a pixel on or off on an LCD monitor, the slower the response time.
answer
False
question
Which of the following is an identification code that consists of a set of vertical lines and spaces of different widths?
answer
bar code
question
Ink-jet printers produce text and graphics in both black-and-white and color on a variety of paper types.
answer
True
question
Which of the following is a pressure-sensitive input device that allows a user to control a pointer on the screen?
answer
pointing stick
question
Which of the following is a disadvantage of an all-in-one printer?
answer
if the device breaks down, users lose all four functions
question
What is the technology called that enables you to print photos without a computer?
answer
PictBridge
question
Which of the following is a touch-sensitive device, resembling a dry-erase board, that displays the image on a connected computer screen?
answer
interactive whiteboard
question
Brightness of an LCD monitor or LCD screen is measured in pixels.
answer
False
question
Some users prefer a wireless mouse because it eliminates the clutter of a cord.
answer
True
question
Most of these types of device include a small optical scanner for reading characters and sophisticated software to analyze what is read. What kind of device is this?
answer
OCR
question
A laser printer produces printed images when tiny wire pins on a print head mechanism strike an inked ribbon
answer
False
question
What are sophisticated printers that are used in specialized fields such as engineering and drafting called?
answer
plotters
question
Some photo printers can print panoramic photos.
answer
True
question
How does a DLP projector work?
answer
tiny mirrors reflect light to produce images
question
Which of the following is data that has been processed into a useful form?
answer
Output
question
Pixel pitch describes the difference in light intensity between the brightest white and the darkest black that can be displayed on an LCD monitor.
answer
False
question
With voice input, blind users have the computer speak out loud the information that appears on the screen.
answer
False
question
To capture a handwritten signature, a user writes his or her name on a signature capture pad with a stylus that is attached to the device.
answer
True
question
Which of the following is a technology that reads hand-drawn marks such as small circles or rectangles?
answer
OMR
question
Some data projectors are small portable devices
answer
True
question
Which of the following is NOT a use of RFID?
answer
routing bank checks
question
Displays are geared for a specific resolution. What is this resolution called?
answer
native
question
Instead of reading or scanning data from a source document, which of the following kinds of devices obtain data directly at the location where the transaction or event takes place?
answer
data collection
question
Who created the mouse that is used on millions of computers today?
answer
Douglas Engelbart
question
What kind of mouse is a battery-powered mouse that sometimes uses Bluetooth technology to pair with the device?
answer
Wireless
question
Some touch screens recognize when you touch the screen with two fingers or two hands. If you are looking for a device on which you can do this, what type of touch screen should you search for?
answer
multi-touch
question
Many retailers see the technology shown in the accompanying figure as an alternative to bar codes because which of the following is true?
answer
It does not require line-of-sight transmission.
question
A wireless keyboard is a battery-powered device that transmits data to the system unit using wireless technology. Which of the following wireless technologies commonly are used for this purpose?
answer
Bluetooth
question
Portable media players that do not have touch screens typically have a touch-sensitive pad.
answer
True
question
Text is a category of output that includes drawings, clip art, and photographs.
answer
False
question
Which of the following are audio output devices that rest inside the ear canal?
answer
earbuds
question
RFID requires line-of-site transmission.
answer
False
question
Some mobile printers have a built-in wireless port through which they communicate with a computer wirelessly.
answer
True
question
Hearing-impaired users can instruct programs to display words instead of sounds.
answer
magstripe reader
question
The lower the dpi (dots per inch) an ink-jet printer can output, the better the print quality.
answer
False
question
What act addresses the computing and other requirements of individuals in the workplace who have or may develop physical limitations?
answer
Americans with Disabilities Act
question
Retail and grocery stores use which kind of bar code?
answer
UPC (Universal Product Code)
question
What distinguishes a data collection device from other input devices?
answer
It obtains data directly at the location where the transaction or event takes place.
question
What is the definition of software?
answer
a series of related instructions that tells a computer or mobile device the tasks to perform and how to perform them
question
In addition to games, joysticks, wheels, and gamepads that include force feedback are used in practical applications such as in the military and aviation.
answer
True
question
Which kind of printer forms characters and graphics on a piece of paper without actually striking the paper?
answer
nonimpact
question
Which of the following are audio output devices that cover or are placed outside the ear?
answer
headphones
question
Several video standards have been developed to define the resolution, number of colors, and other display properties.
answer
True
question
The quality of an LCD monitor or LCD screen depends on several factors. Which of the following is not true about the factors that affect LCD display quality?
answer
A lower resolution makes screen items appear smaller.
question
Most ink-jet printers have at least two print cartridges: one containing black ink and the other(s) containing colors.
answer
True
question
Which of the following devices read text printed with magnetized ink?
answer
MICR
question
Many mobile computers and mobile devices use LCD monitors. What does LCD stand for?
answer
liquid crystal display
question
In a graphical user interface, which of the following is a small symbol on the screen whose location and shape changes as a user moves a pointing device?
answer
pointer
question
Which of the following technologies uses a separate transistor to apply charges to each liquid crystal cell?
answer
active-matrix
question
With Bluetooth printing, a printer communicates with a computer or other device using infrared light waves.
answer
False
question
How is printer resolution measured?
answer
dots per inch
question
Plasma monitors offer large screen sizes and rich colors. Which of the following statements describe how plasma monitors work?
answer
Voltage is applied to a layer of gas between two glass plates, which releases a UV light that causes the pixels on the screen to glow.
question
If your instructor advises you to use the keys at the top of your keyboard that are identified by the letter F and then a number to perform certain activities, what kind of keys is she advising you to use?
answer
function keys
question
Which of the following is NOT an example of a common nonimpact printer?
answer
dot-matrix printer
question
Which of the following identifies pointing devices that can be used instead of a mouse?
answer
trackball, touchpad, pointing stick
question
What type of printer forms characters and graphics on a piece of paper without actually contacting the paper, such as an inkjet printer?
answer
a nonimpact printer
question
Computers process information (output) into data (input).
answer
False
question
Your instructor has asked you to perform some research regarding a computer's capability of distinguishing spoken words. What is the best search term to use for your research?
answer
voice recognition
question
What term refers to the process of entering input by speaking into a microphone?
answer
voice input
question
What is the definition of a command?
answer
an instruction that causes a program or app to perform a specific action
question
Which industry almost exclusively uses MICR?
answer
banking
question
Which of the following is a small, flat, rectangular pointing device that is sensitive to pressure and motion?
answer
touchpad
question
Which of the following is not true about mobile printers?
answer
Mobile printers usually connect to a FireWire port.
question
Some data projectors are large devices that attach to a ceiling or wall in an auditorium.
answer
True
question
Software that sees and possibly records everything that is typed on a keyboard raises the issue of privacy for the person doing the typing. What is this controversial software called?
answer
keyboard monitoring software
question
A user response is a collection of unprocessed text, numbers, images, audio, and video.
answer
False
question
What kind of mouse, like the ones shown in the accompanying figure, uses devices that emit and sense light to detect movement?
answer
optical
question
When a bank receives a check for payment, it uses an OCR inscriber to print the amount of the check in OCR characters in the lower-right corner.
answer
False
question
The higher the nits of an LCD monitor or LCD screen, the dimmer the images.
answer
False
question
Which of the following kinds of scanners works in a manner similar to a copy machine except it creates a file of the document in memory instead of a paper copy?
answer
flatbed
question
Which of the following identify mouse types used with desktop computers?
answer
optical mouse, touch mouse
question
Even keyboards that are not ergonomically designed attempt to offer the user more comfort by including a wrist rest or palm rest.
answer
True
question
Over time, which of the following is true of thermal printers?
answer
They are inexpensive, but the print quality is low and the images tend to fade.
question
Many scanners include a certain kind of software, which can read and convert text documents into electronic files. What is that kind of software?
answer
OCR
question
What type of device reads the strip of magnetic material on the back of your credit card?
answer
magnetic stripe card reader
question
When application software poses a question to a computer user and the user answers, what term is used to identify that answer?
answer
user response
question
What kind of camera is found on a computer that allows you to be seen during a video telephone call?
answer
webcam
question
To display the highest quality images, an LCD monitor should plug in to which type of port?
answer
HDMI
question
Headphones rest inside the ear canal.
answer
False
question
Which of the following items are required in order for your company to conduct a videoconference?
answer
videoconferencing software or web app, microphone, video camera
question
Which of the following printer is a color printer that produces photo-lab-quality pictures?
answer
photo
question
What is a single device that provides functionality of a printer, scanner, copy machine, and perhaps a fax machine called?
answer
a multifunction printer
question
Even keyboards that are not ergonomically designed attempt to offer the user more comfort by including a wrist rest or palm rest.
answer
True
question
What is the print option where the page is taller than it is wide?
answer
potrait
question
OCR devices read printed characters in a special font.
answer
true
question
The DVI port enables digital signals to transmit directly to the monitor.
answer
true
question
The quality of an LCD monitor or LCD screen depends on several factors. Which of the following is not true about the factors that affect LCD display quality?
answer
A lower resolution makes screen items appear smaller.
question
Because LCD projectors tend to produce lower-quality images, users often prefer DLP projectors for their sharper, brighter images.
answer
true
question
When drawing on a graphics tablet with a stylus or digital pen, the tablet detects and converts the movements into digital signals that are sent to a computer
answer
true
question
Over time, which of the following is true of thermal printers?
answer
They are inexpensive, but the print quality is low and the images tend to fade.
question
Some data projectors are small portable devices.
answer
true
question
If students in your class are taking a standardized test using a form with rectangles that they fill in with a pencil, what technology will be used to grade the test?
answer
OMR