Chp. 7 – Space – Flashcards
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What method is used to read a bar code?
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A bar code reader uses laser beams to read bar codes.
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The kind of mouse on the right in the accompanying figure is motion-sensing. What kind of mouse is this?
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touch
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Label printers typically use thermal technology.
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True
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When printing a document, laser printers process and store the entire page before they actually print it.
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True
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Which of the following is the most advanced form of digital television?
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HDTV
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Which of the following is a touch-sensitive display device that users interact with by touching the screen with a finger or a stylus?
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touch screen
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Which of the following kinds of printers offers an alternative for blind users?
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Braille
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Multifunction printers require less space than having separate devices.
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True
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Impact printers are noisy because a mechanism strikes against an inked ribbon that physically contacts the paper.
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True
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What is a device that attaches to a ceiling or wall in an auditorium that displays text and images on a screen called?
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data projector
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Which of the following reads the magnetic stripe on the back of credit cards, entertainment cards, bank cards, and other similar cards?
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magstripe reader
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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?
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a subwoofer
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The lower the time in milliseconds it takes to turn a pixel on or off on an LCD monitor, the slower the response time.
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False
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Which of the following is an identification code that consists of a set of vertical lines and spaces of different widths?
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bar code
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Ink-jet printers produce text and graphics in both black-and-white and color on a variety of paper types.
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True
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Which of the following is a pressure-sensitive input device that allows a user to control a pointer on the screen?
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pointing stick
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Which of the following is a disadvantage of an all-in-one printer?
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if the device breaks down, users lose all four functions
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What is the technology called that enables you to print photos without a computer?
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PictBridge
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Which of the following is a touch-sensitive device, resembling a dry-erase board, that displays the image on a connected computer screen?
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interactive whiteboard
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Brightness of an LCD monitor or LCD screen is measured in pixels.
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False
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Some users prefer a wireless mouse because it eliminates the clutter of a cord.
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True
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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?
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OCR
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A laser printer produces printed images when tiny wire pins on a print head mechanism strike an inked ribbon
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False
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What are sophisticated printers that are used in specialized fields such as engineering and drafting called?
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plotters
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Some photo printers can print panoramic photos.
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True
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How does a DLP projector work?
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tiny mirrors reflect light to produce images
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Which of the following is data that has been processed into a useful form?
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Output
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Pixel pitch describes the difference in light intensity between the brightest white and the darkest black that can be displayed on an LCD monitor.
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False
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With voice input, blind users have the computer speak out loud the information that appears on the screen.
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False
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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.
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True
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Which of the following is a technology that reads hand-drawn marks such as small circles or rectangles?
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OMR
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Some data projectors are small portable devices
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True
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Which of the following is NOT a use of RFID?
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routing bank checks
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Displays are geared for a specific resolution. What is this resolution called?
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native
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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?
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data collection
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Who created the mouse that is used on millions of computers today?
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Douglas Engelbart
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What kind of mouse is a battery-powered mouse that sometimes uses Bluetooth technology to pair with the device?
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Wireless
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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?
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multi-touch
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Many retailers see the technology shown in the accompanying figure as an alternative to bar codes because which of the following is true?
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It does not require line-of-sight transmission.
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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?
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Bluetooth
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Portable media players that do not have touch screens typically have a touch-sensitive pad.
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True
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Text is a category of output that includes drawings, clip art, and photographs.
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False
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Which of the following are audio output devices that rest inside the ear canal?
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earbuds
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RFID requires line-of-site transmission.
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False
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Some mobile printers have a built-in wireless port through which they communicate with a computer wirelessly.
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True
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Hearing-impaired users can instruct programs to display words instead of sounds.
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magstripe reader
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The lower the dpi (dots per inch) an ink-jet printer can output, the better the print quality.
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False
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What act addresses the computing and other requirements of individuals in the workplace who have or may develop physical limitations?
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Americans with Disabilities Act
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Retail and grocery stores use which kind of bar code?
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UPC (Universal Product Code)
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What distinguishes a data collection device from other input devices?
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It obtains data directly at the location where the transaction or event takes place.
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What is the definition of software?
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a series of related instructions that tells a computer or mobile device the tasks to perform and how to perform them
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In addition to games, joysticks, wheels, and gamepads that include force feedback are used in practical applications such as in the military and aviation.
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True
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Which kind of printer forms characters and graphics on a piece of paper without actually striking the paper?
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nonimpact
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Which of the following are audio output devices that cover or are placed outside the ear?
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headphones
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Several video standards have been developed to define the resolution, number of colors, and other display properties.
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True
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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?
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A lower resolution makes screen items appear smaller.
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Most ink-jet printers have at least two print cartridges: one containing black ink and the other(s) containing colors.
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True
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Which of the following devices read text printed with magnetized ink?
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MICR
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Many mobile computers and mobile devices use LCD monitors. What does LCD stand for?
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liquid crystal display
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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?
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pointer
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Which of the following technologies uses a separate transistor to apply charges to each liquid crystal cell?
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active-matrix
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With Bluetooth printing, a printer communicates with a computer or other device using infrared light waves.
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False
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How is printer resolution measured?
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dots per inch
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Plasma monitors offer large screen sizes and rich colors. Which of the following statements describe how plasma monitors work?
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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.
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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?
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function keys
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Which of the following is NOT an example of a common nonimpact printer?
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dot-matrix printer
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Which of the following identifies pointing devices that can be used instead of a mouse?
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trackball, touchpad, pointing stick
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What type of printer forms characters and graphics on a piece of paper without actually contacting the paper, such as an inkjet printer?
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a nonimpact printer
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Computers process information (output) into data (input).
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False
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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?
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voice recognition
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What term refers to the process of entering input by speaking into a microphone?
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voice input
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What is the definition of a command?
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an instruction that causes a program or app to perform a specific action
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Which industry almost exclusively uses MICR?
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banking
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Which of the following is a small, flat, rectangular pointing device that is sensitive to pressure and motion?
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touchpad
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Which of the following is not true about mobile printers?
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Mobile printers usually connect to a FireWire port.
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Some data projectors are large devices that attach to a ceiling or wall in an auditorium.
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True
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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?
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keyboard monitoring software
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A user response is a collection of unprocessed text, numbers, images, audio, and video.
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False
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What kind of mouse, like the ones shown in the accompanying figure, uses devices that emit and sense light to detect movement?
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optical
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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.
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False
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The higher the nits of an LCD monitor or LCD screen, the dimmer the images.
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False
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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?
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flatbed
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Which of the following identify mouse types used with desktop computers?
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optical mouse, touch mouse
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Even keyboards that are not ergonomically designed attempt to offer the user more comfort by including a wrist rest or palm rest.
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True
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Over time, which of the following is true of thermal printers?
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They are inexpensive, but the print quality is low and the images tend to fade.
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Many scanners include a certain kind of software, which can read and convert text documents into electronic files. What is that kind of software?
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OCR
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What type of device reads the strip of magnetic material on the back of your credit card?
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magnetic stripe card reader
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When application software poses a question to a computer user and the user answers, what term is used to identify that answer?
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user response
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What kind of camera is found on a computer that allows you to be seen during a video telephone call?
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webcam
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To display the highest quality images, an LCD monitor should plug in to which type of port?
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HDMI
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Headphones rest inside the ear canal.
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False
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Which of the following items are required in order for your company to conduct a videoconference?
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videoconferencing software or web app, microphone, video camera
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Which of the following printer is a color printer that produces photo-lab-quality pictures?
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photo
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What is a single device that provides functionality of a printer, scanner, copy machine, and perhaps a fax machine called?
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a multifunction printer
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Even keyboards that are not ergonomically designed attempt to offer the user more comfort by including a wrist rest or palm rest.
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True
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What is the print option where the page is taller than it is wide?
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potrait
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OCR devices read printed characters in a special font.
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true
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The DVI port enables digital signals to transmit directly to the monitor.
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true
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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?
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A lower resolution makes screen items appear smaller.
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Because LCD projectors tend to produce lower-quality images, users often prefer DLP projectors for their sharper, brighter images.
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true
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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
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true
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Over time, which of the following is true of thermal printers?
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They are inexpensive, but the print quality is low and the images tend to fade.
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Some data projectors are small portable devices.
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true
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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?
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OMR
