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CSS 3003 > Chap 7 > Flashcards

Chap 7 Flashcards

1
Q

Input

A

any data and instructions entered into the
memory of a computer

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2
Q

Commonly used input methods include:

A
  • Keyboard
  • Pointing devices
  • Touch screens
  • Pen input
  • Motion input
  • Voice input
  • Video input
  • Scanners and reading devices
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3
Q

an input device that contains keys you
press to enter data and instructions into a computer or
mobile device

A

keyboard

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4
Q

Nearly all keyboards have…

A
  • Typing area
  • Function keys
  • Toggle key
  • Navigation keys
  • Media control buttons
  • Internet control buttons
  • Other special keys
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5
Q

Variety of Keyboards

A
  1. Traditional Keyboard
  2. Laptop Kb
  3. Virtual Kb
  4. On-screen kb
  5. Dip-on tablet keyboard
  6. Build-in laptop keyboard
  7. Ergonomic keyboard
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6
Q

design that reduces the chance of repetitive strain injuries (RSIs) of wrist and hand

A

An ergonomic keyboard

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7
Q

a small symbol on the screen whose location
and shape change as a user moves a pointing device

A

A pointer

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8
Q

a pointing device that fits under the palm of
your hand comfortably

A

A mouse

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9
Q
  • Has no moving parts.
  • Emits and senses light to detect mouse movement.
  • Can be used on any surface
A

Optical mouse

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10
Q
  • Battery operated.
  • Uses radio waves or infrared light waves.
A

Wireless mouse.

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11
Q

a small, flat, rectangular pointing device that is sensitive to pressure and motion

A

A touchpad

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12
Q

a stationary pointing device with a ball
on its top or side

A

A trackball

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13
Q

a touch-sensitive display

A

A touch screen

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14
Q

Provide input to computer games.
* Joysticks use pressure and direction of the stick.
* Gaming mice are similar to a mouse but high precision.
* Gamepads use both hands.
* Motion sensing device control games by user movement.

A

Gaming Controllers

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15
Q

to write, draw, or make selections on a
touch screen that supports pen input.

A

pen input, you touch a stylus or digital pen

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16
Q

an electronic plastic board that detects and converts
movements of a style or digital pen into signals that
are sent to the computer

A

graphics tablet, also called a digitizer

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17
Q

gesture recognition, users can guide on-screen elements using air gestures

A

motion input

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18
Q

process of entering input by speaking into a microphone

A

Voice input

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19
Q

is the computer or mobile device’s capability of
distinguishing spoken words

A

Voice recognition, also called speech recognition

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20
Q

Audio input

A

process of entering any sound into
the computer such as speech, music, and sound
effects

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21
Q

Music production software

A

allows users to record, compose, mix, and edit music and sounds

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22
Q

the process of capturing full-motion images and storing them on a computer or mobile device’s storage medium

A

Video input

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23
Q

type of DV camera that enables a user to:
* Capture video and still images
* Send email messages with video attachments
* Broadcast live images or video over the Internet
* Conduct videoconferences
* Make video calls

A

A webcam

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24
Q

A videoconference

A

meeting between two or
more geographically separated people

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25
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 flatbed scanner works in a manner similar to a copy
machine except it creates a file of the document in
memory instead of a paper copy
– Document scanners.
– Portable scanners.
– 3D scanners

A

A scanner

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26
Q

An optical reader

A

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

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27
Q

Reads preprinted characters such as wand scanners

A

Optical character recognition (OCR)

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28
Q

Sense the presence of absence of marks used for test
scoring.

A

Optical mark recognition (OMR)

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29
Q

a bar code scanner uses laser beams to read bar codes

A

A bar code reader

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30
Q

heavily used in grocery stores for
automated checkout and inventory control.

A

UPC

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31
Q

used by shipping companies for routing packages.

A

MaxiCode

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32
Q

Interpret encoded information that is stored on debit, credit and identification cards.

A

Card Readers

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33
Q
  • Information read from strip when swiped through
    reader.
A

Magnetic card reader

34
Q
  • Information read from a chip when inserted or held near the reader.
  • Smart cards hold additional security information.
A

Chip card reader.

35
Q

stores information in both a vertical and horizontal direction

A

A QR code

36
Q

uses radio signals to communicate with a tag placed in or attached to an object

A

RFID (radio frequency identification)

37
Q

RFID reader

A

reads information on the tag via radio
waves

38
Q

RFID can track:

A

– Tracking times of runners in a marathon
– Checking lift tickets of skiers
– Tracking location of people and other items
– Gauging temperature and pressure of tires on a vehicle
– Checking out library books
– Managing purchases
– Tracking payment as vehicles pass through booths on
tollway systems

39
Q

read text printed with magnetized ink

A

MICR (magnetic ink character recognition) devices

40
Q

converts MICR characters into a form the computer can process

A

MICR reader

41
Q

Create or capture original images.

A

Image Capturing Devices

42
Q

Capture images digitally and store in memory

A

Digital Camera

43
Q

Capture images and send to a computer for
broadcast over the Internet

A

Webcams

44
Q

Audio-Input Devices

A

Voice recognition systems.
Use a microphone, sound card, and special software.
Users can operate computers and create documents using
voice commands.
Included in many smart phones.
* Siri in iPhones.
* Cortana in Windows devices.
* Alexa in Amazon devices.
* Google Assistant in Android devices.

45
Q

data that has been processed into a useful form

A

Output

46
Q

Types of output

A

– Text.
– Graphics/photos.
– Audio
– Video.

47
Q

Output devices

A

– Monitors.
– Printers.
– Audio-output devices

48
Q

visually conveys text, graphics, and video information

A

A display

49
Q

a display that is packaged as a separate peripheral device

A

A monitor

50
Q

Monitor Types

A

Flat-panel monitors.
* Require less power to operate.
* Portable and thin.
* Most are backlit.
Three types:
* Liquid Crystal Display (LCD).
* Older monitors.
* Light Emitting Diode (LED).
* More advanced backlighting.
* Organic Light Emitting Diode (OLED).
* Thin layer organic compound that produces light.

51
Q

E-book Readers

A

a traditional books printed in electronic form.
E-book readers are dedicated mobile devices for storing and
displaying e-books.
Use e-ink technology.
Produce images that reflect light.
* Kindle.
* Kobo

52
Q

Other Monitor Types

A

Digital/interactive whiteboards.
* Connects to a computer or project.
* Controlled using a special pen or even
your finger.
* Classrooms and corporate boardrooms.
Flexible Screens.
* Allow a digital device to display on a non
flat surface, including wrapped edges,
curved monitors and foldable screens.
Digital Projector.
* Project the images from a traditional
monitor onto a screen or wall.

53
Q

The quality of a display depends primarily on its:

A

– Resolution
– Response time
– Brightness
– Dot pitch
– Contrast ratio

54
Q

To display the highest quality images, the monitor
should plug in a:

A

– A DVI port
– An HDMI port
– A Display Port

55
Q

HDTV

A

the most advanced form of digital television

56
Q

A Smart TV

A

an Internet-enabled HDTV

57
Q

A nonimpact printer

A

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

58
Q

forms characters and graphics by
spraying tiny drops of liquid ink onto a piece of paper
– Color or black-and-white
– Speed is measured by the number of pages per minute (ppm) it can print

A

ink-jet printer

59
Q

is a color printer that produces labquality photos

A

A photo printer

60
Q

Laser printer

A

High-speed
black n white
color
high-quality

61
Q

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

A

all-in-one printer

62
Q

uses a process called additive
manufacturing to create an object by adding material
to a three-dimensional object, one horizontal layer at a
time

A

3-D printer

63
Q

generates images by pushing electrically heated pins against the heat-sensitive paper

A

A thermal printer

64
Q

a small, lightweight, batterypowered printer that allows a mobile user to print from a mobile device

A

mobile printer

65
Q

label printer i

A

a small printer that prints on an adhesive-type material that can be placed on a variety of items

66
Q

used to produce high-quality drawings

A

Plotters

67
Q

Large-format printers

A

create photo-realistic quality color prints

68
Q

form characters and graphics on a
piece of paper by striking a mechanism against an
inked ribbon that physically contacts the paper

A

Impact printers

69
Q

speakers that cover or are placed outside of the ear

A

Headphones

70
Q

rest inside the ear canal

A

Earbuds

71
Q

Bluetooth Technology

A

– Wireless technology.
– Used to connect to speakers and headphones.

72
Q

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

A

data projector

73
Q

a touch-sensitive device, resembling a dry-erase board, that displays the image on a connected computer screen

A

interactive whiteboard

74
Q

Combine a microphone and headphones

A

Headsets.

75
Q
  • Cost efficient but lower quality.
  • All-in-one printers are a good
    example.
A

Multifunctional devices (MFD)

76
Q

Drones or unmanned aerial vehicles (UAV).

A
  • Take input from a controller and the output device is the drone.
  • Very cost effective now
77
Q

Use cameras, microphones, and other sensors as inputs to perform an expanding range of capabilities.

A

Robots

78
Q

Ergonomics

A

Study of human factors related to things people
use.
Fit the task to the user to avoid:
Eyestrain and headache.
Back and neck pain.
Repetitive strain injury.
* Carpal tunnel syndrome.

79
Q

Cell phones.
* Pain in base of thumbs from being used to type on small
screen keyboard.
Tablets.
* Tablet hunch is caused by the user’s head being
improperly aligned to the viewing surface.
Laptops.
* Because the keyboard and monitor are connected, they
cannot be set up ergonomically

A
80
Q

Smartwatch.
* Can monitor and share your location.
* Chips embedded in most items, including clothing.
Smart grocery cart.
* Use grocery list to guide shopper through store
and update total as items are put in the cart and
process final bill.

A

CSS 3003 (9 decks)

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