Chp. 7

What method is used to read a bar code?

A bar code reader uses laser beams to read bar codes.

The kind of mouse on the right in the accompanying figure is motion-sensing. What kind of mouse is this?

touch

Label printers typically use thermal technology.

True

When printing a document, laser printers process and store the entire page before they actually print it.

True

Which of the following is the most advanced form of digital television?

HDTV

Which of the following is a touch-sensitive display device that users interact with by touching the screen with a finger or a stylus?

touch screen

Which of the following kinds of printers offers an alternative for blind users?

Braille

Multifunction printers require less space than having separate devices.

True

Impact printers are noisy because a mechanism strikes against an inked ribbon that physically contacts the paper.

True

What is a device that attaches to a ceiling or wall in an auditorium that displays text and images on a screen called?

data projector

Which of the following reads the magnetic stripe on the back of credit cards, entertainment cards, bank cards, and other similar cards?

magstripe reader

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?

a subwoofer

The lower the time in milliseconds it takes to turn a pixel on or off on an LCD monitor, the slower the response time.

False

Which of the following is an identification code that consists of a set of vertical lines and spaces of different widths?

bar code

Ink-jet printers produce text and graphics in both black-and-white and color on a variety of paper types.

True

Which of the following is a pressure-sensitive input device that allows a user to control a pointer on the screen?

pointing stick

Which of the following is a disadvantage of an all-in-one printer?

if the device breaks down, users lose all four functions

What is the technology called that enables you to print photos without a computer?

PictBridge

Which of the following is a touch-sensitive device, resembling a dry-erase board, that displays the image on a connected computer screen?

interactive whiteboard

Brightness of an LCD monitor or LCD screen is measured in pixels.

False

Some users prefer a wireless mouse because it eliminates the clutter of a cord.

True

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?

OCR

A laser printer produces printed images when tiny wire pins on a print head mechanism strike an inked ribbon

False

What are sophisticated printers that are used in specialized fields such as engineering and drafting called?

plotters

Some photo printers can print panoramic photos.

True

How does a DLP projector work?

tiny mirrors reflect light to produce images

Which of the following is data that has been processed into a useful form?

Output

Pixel pitch describes the difference in light intensity between the brightest white and the darkest black that can be displayed on an LCD monitor.

False

With voice input, blind users have the computer speak out loud the information that appears on the screen.

False

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.

True

Which of the following is a technology that reads hand-drawn marks such as small circles or rectangles?

OMR

Some data projectors are small portable devices

True

Which of the following is NOT a use of RFID?

routing bank checks

Displays are geared for a specific resolution. What is this resolution called?

native

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?

data collection

Who created the mouse that is used on millions of computers today?

Douglas Engelbart

What kind of mouse is a battery-powered mouse that sometimes uses Bluetooth technology to pair with the device?

Wireless

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?

multi-touch

Many retailers see the technology shown in the accompanying figure as an alternative to bar codes because which of the following is true?

It does not require line-of-sight transmission.

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?

Bluetooth

Portable media players that do not have touch screens typically have a touch-sensitive pad.

True

Text is a category of output that includes drawings, clip art, and photographs.

False

Which of the following are audio output devices that rest inside the ear canal?

earbuds

RFID requires line-of-site transmission.

False

Some mobile printers have a built-in wireless port through which they communicate with a computer wirelessly.

True

Hearing-impaired users can instruct programs to display words instead of sounds.

magstripe reader

The lower the dpi (dots per inch) an ink-jet printer can output, the better the print quality.

False

What act addresses the computing and other requirements of individuals in the workplace who have or may develop physical limitations?

Americans with Disabilities Act

Retail and grocery stores use which kind of bar code?

UPC (Universal Product Code)

What distinguishes a data collection device from other input devices?

It obtains data directly at the location where the transaction or event takes place.

What is the definition of software?

a series of related instructions that tells a computer or mobile device the tasks to perform and how to perform them

In addition to games, joysticks, wheels, and gamepads that include force feedback are used in practical applications such as in the military and aviation.

True

Which kind of printer forms characters and graphics on a piece of paper without actually striking the paper?

nonimpact

Which of the following are audio output devices that cover or are placed outside the ear?

headphones

Several video standards have been developed to define the resolution, number of colors, and other display properties.

True

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?

A lower resolution makes screen items appear smaller.

Most ink-jet printers have at least two print cartridges: one containing black ink and the other(s) containing colors.

True

Which of the following devices read text printed with magnetized ink?

MICR

Many mobile computers and mobile devices use LCD monitors. What does LCD stand for?

liquid crystal display

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?

pointer

Which of the following technologies uses a separate transistor to apply charges to each liquid crystal cell?

active-matrix

With Bluetooth printing, a printer communicates with a computer or other device using infrared light waves.

False

How is printer resolution measured?

dots per inch

Plasma monitors offer large screen sizes and rich colors. Which of the following statements describe how plasma monitors work?

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.

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?

function keys

Which of the following is NOT an example of a common nonimpact printer?

dot-matrix printer

Which of the following identifies pointing devices that can be used instead of a mouse?

trackball, touchpad, pointing stick

What type of printer forms characters and graphics on a piece of paper without actually contacting the paper, such as an inkjet printer?

a nonimpact printer

Computers process information (output) into data (input).

False

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?

voice recognition

What term refers to the process of entering input by speaking into a microphone?

voice input

What is the definition of a command?

an instruction that causes a program or app to perform a specific action

Which industry almost exclusively uses MICR?

banking

Which of the following is a small, flat, rectangular pointing device that is sensitive to pressure and motion?

touchpad

Which of the following is not true about mobile printers?

Mobile printers usually connect to a FireWire port.

Some data projectors are large devices that attach to a ceiling or wall in an auditorium.

True

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?

keyboard monitoring software

A user response is a collection of unprocessed text, numbers, images, audio, and video.

False

What kind of mouse, like the ones shown in the accompanying figure, uses devices that emit and sense light to detect movement?

optical

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.

False

The higher the nits of an LCD monitor or LCD screen, the dimmer the images.

False

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?

flatbed

Which of the following identify mouse types used with desktop computers?

optical mouse, touch mouse

Even keyboards that are not ergonomically designed attempt to offer the user more comfort by including a wrist rest or palm rest.

True

Over time, which of the following is true of thermal printers?

They are inexpensive, but the print quality is low and the images tend to fade.

Many scanners include a certain kind of software, which can read and convert text documents into electronic files. What is that kind of software?

OCR

What type of device reads the strip of magnetic material on the back of your credit card?

magnetic stripe card reader

When application software poses a question to a computer user and the user answers, what term is used to identify that answer?

user response

What kind of camera is found on a computer that allows you to be seen during a video telephone call?

webcam

To display the highest quality images, an LCD monitor should plug in to which type of port?

HDMI

Headphones rest inside the ear canal.

False

Which of the following items are required in order for your company to conduct a videoconference?

videoconferencing software or web app, microphone, video camera

Which of the following printer is a color printer that produces photo-lab-quality pictures?

photo

What is a single device that provides functionality of a printer, scanner, copy machine, and perhaps a fax machine called?

a multifunction printer

Even keyboards that are not ergonomically designed attempt to offer the user more comfort by including a wrist rest or palm rest.

True

What is the print option where the page is taller than it is wide?

potrait

OCR devices read printed characters in a special font.

true

The DVI port enables digital signals to transmit directly to the monitor.

true

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?

A lower resolution makes screen items appear smaller.

Because LCD projectors tend to produce lower-quality images, users often prefer DLP projectors for their sharper, brighter images.

true

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

true

Over time, which of the following is true of thermal printers?

They are inexpensive, but the print quality is low and the images tend to fade.

Some data projectors are small portable devices.

true

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?

OMR