Discovering Computers 2016: Chapter 7

Front 1

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

• Output
  
• Memory
  
• Input
  
• Throughput
  

Back 1

Answer: Output

Front 2

An important measure of LCD monitors is the time in milliseconds (ms) that it takes to turn a pixel on or off. What is this called?

• pitch time
  
• pixel time
  
• response time
  
• contrast time
  

Back 2

Answer: response time

Front 3

How does a DLP projector work?

• tiny mirrors reflect light to produce images
  
• digital lasers project color onto prisms
  
• direct light is focused onto a series of colored tubes
  
• liquid crystal display technology produces its own light source
  

Back 3

Answer:

tiny mirrors reflect light to produce images

Front 4

Which type of optical scanner works in a manner similar to a copy machine?

• pen scanner
  
• flatbed scanner
  
• drum scanner
  
• sheet-fed scanner
  

Back 4

Answer: flatbed scanner

Front 5

Some input devices include a kind of output that provides the user with a physical response from the device. What kind of output is this?

• interactive
• tactile
• utility
• physical
  

Back 5

Answer: tactile

Front 6

Which of the following requires any company with 15 or more employees to make reasonable attempts to accommodate the needs of physically challenged workers?

• Smith-Rakoff Act of 1997
  
• AMA
  
• W3C
  
• ADA
  

Back 6

Answer: ADA

Front 7

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
• DCR
• ECR
• SCR
  

Back 7

Answer: OCR

Front 8

How is printer resolution measured?

• strikes per inch
  
• dots per inch
  
• points per inch
  
• pixels per inch
  

Back 8

Answer: dots per inch (dpi)

Front 9

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

• user interface reply
• user command
• user program directive
• user response
  

Back 9

Answer: user response

Front 10

Which of the following is not true about output types?

• Memos, press releases, and mailing labels include mostly text.
• Graphics can enhance visual appeal and convey information.
• Many websites use animation.
• Traditional podcasts all make use of video output.
  

Back 10

Answer:

Traditional podcasts all make use of video output

Front 11

Several factors that affect the quality of an LCD monitor or LCD screen, including the specific resolution for which they are geared. How is this resolution described?

• the default resolution
  
• the ideal resolution
  
• the active resolution
  
• the native resolution
  

Back 11

Answer: the native resolution

Front 12

Which of the following is not true about output?

• Output types include text, graphics, audio, and display.
• Output is data that has been processed into a useful form.
• A single form of output can include more than one type of output.
• The form of output varies depending on the hardware and software being used.
  

Back 12

Answer:

Output types include text, graphics, audio and display.

Front 13

You are working in a computer laboratory and want to listen to your portable media player. You use the device provided with the media player to listen without distracting other students. What type of device do you use?

• internal speakers
• headsets
• earbuds
• a stereo system
  

Back 13

Answer: earbuds

Front 14

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?

• OCR
• BCR
• MICR
• OMR
  

Back 14

Answer: OMR

Front 15

What is pixel pitch sometimes called?

• display pitch
• dot pitch
• contrast pitch
• ratio pitch
  

Back 15

Answer: dot pitch

Front 16

Which of the following kinds of printer is a small printer that prints on an adhesive-type material that can be placed on a variety of items such as envelopes, packages, optical discs, photos, and file folders?

• label
• dye-sublimation
• thermal wax
• mobile
  

Back 16

Answer: label

Front 17

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
• digital voice input
• speech identification
• speech differentiation
  

Back 17

Answer: voice recognition

Front 18

Which of the following are NOT commonly used nonimpact printers?

• line printers and dot-matrix printers
• ink-jet printers and photo printers
• laser printers and thermal printers
• mobile printers and label and postage printers
  

Back 18

Answer: line printers and dot-matrix printers

Front 19

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

• standard-matrix
• active-matrix
• organic-matrix
• dynamic-matrix
  

Back 19

Answer: active-matrix

Front 20

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

• Braille
• utility
• high-contrast
• magnifier
  

Back 20

Answer: Braille

Front 21

Retail and grocery stores use which kind of bar code?

• UPC (Universal Product Code)
• Codabar
• Interleaved 2 of 5
• POSTNET (Postal Numeric Coding Technique)
  

Back 21

Answer: UPC (Universal Product Code)

Front 22

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
• a noncontact printer
• a nonpressure printer
• a nonstrike printer
  

Back 22

Answer: a non-impact printer

Front 23

Which of the following describes the difference in light intensity between the brightest white and the darkest black that can be displayed on an LCD monitor?

• GPU
• Format indicia
• Contrast ratio
• Color matrix
  

Back 23

Answer: Contrast ratio

Front 24

Using ink-jet printer technology, but on a much larger scale, which of the following creates photo-realistic-quality color prints?

• large-format printer
• NLQ printer
• plotter
• impact printer
  

Back 24

Answer: large-format printer

Front 25

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

• pic
• photo
• image
• output
  

Back 25

Answer: photo

Front 26

What is the definition of software?

• a collection of unprocessed text, numbers, images, audio, and video
• an instruction that causes a single specific action to be performed
• an instruction issued by replying to a question that is displayed
• a series of related instructions that tells a computer or mobile device the tasks to perform and how to perform them
  

Back 26

Answer:

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

Front 27

Which of the following is a device that uses a light source to read characters, marks, and codes and then converts them into digital data that a computer can process?

• optical reader
• character reader
• literature translator
• legibility lexicon
  

Back 27

Answer: optical reader

Front 28

What method is used to read a bar code?

• A laser scanner produces light beams that pass through a scanner filter which then translates the light patterns into digital patterns that can be interpreted by the CPU.
• A laser translates the bars on the bar code into digital signals that are stored in RAM.
• The magnetic bar codes are converted by a bar code reader into a form that a computer can process.
• A bar code reader uses laser beams to read bar codes.
  

Back 28

Answer:

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

Front 29

Your roommate is a graphic artist. She buys a large-format printer that creates photo-realistic-quality color prints. What printer technology does her printer use?

• dye-sublimation
• ink-jet printer
• impact printer
• plotter printer
  

Back 29

Answer: ink-jet printer

Front 30

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

• Douglas Engelbart
• Albert Keys
• Susan Nimura
• Steve Wozniak
  

Back 30

Answer: Douglas Engelbart

Front 31

Which of the following use a row of charged wires to draw an electrostatic pattern on specially coated paper and then fuse toner to the pattern?

• NLQ printers
• Impact printers
• Large-format printers
• Plotters
  

Back 31

Answer: Plotters

Front 32

Some input devices, such as a mouse or a smartphone include tactile output. What best describes tactile output?

• Tactile output is a form of touch screen technology.
• The output reflects the input received.
• The device includes a realistic touchpad that resembles a keyboard.
• The user receives a physical response from the device.
  

Back 32

Answer:

The user receives a physical response from the device.

Front 33

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

• trackball, touchpad, pointing stick
• trackball, pointing stick, thumbpad
• pointing pin, trackpad, mouseball
• clickpad, finger roll, mousetrack
  

Back 33

Answer: trackball, touchpad, pointing stick

Front 34

What is the term for a motion you make on a touch screen with the tip of one or more fingers or your hand?

• flip
• flick
• click
• gesture
  

Back 34

Answer: gesture

Front 35

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

• a video display
• a projection monitor
• a data projector
• a screen monitor
  

Back 35

Answer: data projector