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CS 115 Computer Science > Chapter 7 Notes Pt. 2 > Flashcards

Chapter 7 Notes Pt. 2 Flashcards

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1
Q

a light-sensing input device that reads printed text and graphics and then translates the results into a form the computer can process

A

scanner

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2
Q

a device that uses a light source to read characters, marks, and codes and then converts them into digitial data that a computer can process

A

optical reader

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3
Q

What are the 2 technologies used by optical readers?

A

1) optical character recognition (OCR)

2) optical mark recognition (OMR)

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4
Q

What is the difference between optical character recognition (OCR) and optical mark recognition (OMR)?

A

optical character recognition (OCR)
-include a small optical scanner for reading characters and sophisticated software to analyze what is read
-read printed characters in a special font
optical mark recognition (OMR)
-read hand-drawn marks, such as small circles or rectangles
-a person places these marks on a form

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5
Q

A ____ _____ ______, also called a bar code scanner, uses laser beams to read bar codes

A

bar code reader

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6
Q

A bar code reader, also called a ____ _____ ______, uses laser beams to read bar codes

A

bar code scanner

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7
Q

an identification code that consists of either a set of vertical lines and spaces of different widths or a 2-dimensional pattern of squares and other images

A

bar code

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8
Q

stores information in both a vertical and horizontal direction

A

QR code

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9
Q

______ (______ ____________ ____________) uses radio signals to communicate with a tag placed in or attached to an object

A

RFID (radio frequency identification)

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10
Q

reads information on the tag via radio waves

A

RDIF reader

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11
Q 
RFID can track:
1) 
2) 
3) 
4) 
5) 
6) 
7)
A

1) tracking times of runners in a marathon
2) tracking location of people and other items
3) checking lift tickets of skiers
4) managing inventory
5) gauging temperature and pressure of tires on a vehicle
6) checking out library books
7) providing access to rooms or buildings

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12
Q

consists of an antenna and a memeory chip that contains the information to be transmitted via radio waves

A

RFID tag

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13
Q

An _____ _______ can be a handheld devices or mounted in a stationary object

A

RFID reader

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14
Q

read the magnetic strip on the back of cards

A

magstripe reader

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15
Q

What are some examples of what a magstripe can read?

A

1) credit cards
2) entertainment cards
3) bank cards
4) identification cards
5) other similar cards

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16
Q

devices that read text printed with magnetized ink

A

MICR (magnetic ink character recognition)

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17
Q

What does MICR stand for?

A

magnetic ink character recognition

18
Q

The banking industry uses ______ for check processing

A

MICR

19
Q

data that has been processed into a useful form

A

output

20
Q

What are the various types of outputs?

A

1) text
2) graphics
3) audio
4) video

21
Q

visually conveys text, graphics, and video information

A

display

22
Q

a display that is packaged as a seperate peripheral device

A

monitor

23
Q

What are the different types of monitors?

A

1) LCD (liquid crystal dispaly) monitor
2) Plasma monitor
3) CRT (chather ray tube) monitor

24
Q

What was the first type of monitor?

A

CRT (chather ray tube) monitor

25
Q

produces text and graphics on a physical medium (such as paper)

A

printer

26
Q

What are the different types of printers?

A

1) nonimpact printer
2) ink-jet printer
3) photo printer
4) laser printer
5) all-in-one printer
6) thermal printer
7) mobile printer
8) label printer
9) plotters
10) large-format printer
11) impact printer

27
Q

Which type of printer is this:

forms characters and graphics on a piece of paper without actually contracting the paper

A

nonimpact printer

28
Q

Which type of printer is this:
a type of nonimpact printer that forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper

A

ink-jet printer

29
Q

Which type of printer is this:

a color printer that produces lab-quality photos

A

photo printer

30
Q

Which type of printer is this:

a high speed, high-quality nonimpact printer

A

laser printer

31
Q

Which type of printer is this:

a single device that prints, scans, copies, and in some cases tax machines

A

all-in-one printer

32
Q

Which type of printer is this:

generates images by pushing electrically beated pins against heat-sensitive paper

A

thermal printer

33
Q

Which type of printer is this:
a small lightweight, battery-powered printer that allows a mobiel user to print from a laptop, smartphone, or other mobile device

A

mobile printer

34
Q

Which type of printer is this:
a samll 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

A

label printer

35
Q

Which type of printer is this:

used to produce high-quality drawings such as blueprints, maps, and circuit diagrams

A

plotters

36
Q

Which type of printer is this:

uses ink-jet printer technology, on a much larger scale, ccreates photo-realistic-quality color prints

A

large-format printer

37
Q

Which type of printer is this:
form characters and graphics on a piece of paper by striking a mechanism agaisnt an innked ribbon that physically contacts the paper

A

impact printer

38
Q

An all-in-one printer is also known as a ____________ ________ (_____).

A

multifunction printer (MFP)

39
Q

generate high-quality sounds for playing games, interacting with multimedia presentation, listening to music, and viewing movies

A

speakers

40
Q

What is the difference between headphones and earbuds?

A

headphones cover or are placed outside the ear

earbuds rest inside the ear canal

41
Q

a device that takes the text and images displaying on a computer or mobile device screen and projects the images on a larger screen so that an audience can see the image clearly

A

data projector

CS 115 Computer Science (30 decks)

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