CSS 3003 > Chap 7 > Flashcards

Chap 7 Flashcards

(80 cards)

Study These 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
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 scanner
26
An optical reader
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
27
Reads preprinted characters such as wand scanners
Optical character recognition (OCR)
28
Sense the presence of absence of marks used for test scoring.
Optical mark recognition (OMR)
29
a bar code scanner uses laser beams to read bar codes
A bar code reader
30
heavily used in grocery stores for automated checkout and inventory control.
UPC
31
used by shipping companies for routing packages.
MaxiCode
32
Interpret encoded information that is stored on debit, credit and identification cards.
Card Readers
33
* Information read from strip when swiped through reader.
Magnetic card reader
34
* Information read from a chip when inserted or held near the reader. * Smart cards hold additional security information.
Chip card reader.
35
stores information in both a vertical and horizontal direction
A QR code
36
uses radio signals to communicate with a tag placed in or attached to an object
RFID (radio frequency identification)
37
RFID reader
reads information on the tag via radio waves
38
RFID can track:
– 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
read text printed with magnetized ink
MICR (magnetic ink character recognition) devices
40
converts MICR characters into a form the computer can process
MICR reader
41
Create or capture original images.
Image Capturing Devices
42
Capture images digitally and store in memory
Digital Camera
43
Capture images and send to a computer for broadcast over the Internet
Webcams
44
Audio-Input Devices
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
data that has been processed into a useful form
Output
46
Types of output
– Text. – Graphics/photos. – Audio – Video.
47
Output devices
– Monitors. – Printers. – Audio-output devices
48
visually conveys text, graphics, and video information
A display
49
a display that is packaged as a separate peripheral device
A monitor
50
Monitor Types
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
E-book Readers
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
Other Monitor Types
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
The quality of a display depends primarily on its:
– Resolution – Response time – Brightness – Dot pitch – Contrast ratio
54
To display the highest quality images, the monitor should plug in a:
– A DVI port – An HDMI port – A Display Port
55
HDTV
the most advanced form of digital television
56
A Smart TV
an Internet-enabled HDTV
57
A nonimpact printer
forms characters and graphics on a piece of paper without actually contacting the paper
58
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
ink-jet printer
59
is a color printer that produces labquality photos
A photo printer
60
Laser printer
High-speed black n white color high-quality
61
a single device that prints, scans, copies, and in some cases, faxes
all-in-one printer
62
uses a process called additive manufacturing to create an object by adding material to a three-dimensional object, one horizontal layer at a time
3-D printer
63
generates images by pushing electrically heated pins against the heat-sensitive paper
A thermal printer
64
a small, lightweight, batterypowered printer that allows a mobile user to print from a mobile device
mobile printer
65
label printer i
a small printer that prints on an adhesive-type material that can be placed on a variety of items
66
used to produce high-quality drawings
Plotters
67
Large-format printers
create photo-realistic quality color prints
68
form characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that physically contacts the paper
Impact printers
69
speakers that cover or are placed outside of the ear
Headphones
70
rest inside the ear canal
Earbuds
71
Bluetooth Technology
– Wireless technology. – Used to connect to speakers and headphones.
72
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
data projector
73
a touch-sensitive device, resembling a dry-erase board, that displays the image on a connected computer screen
interactive whiteboard
74
Combine a microphone and headphones
Headsets.
75
* Cost efficient but lower quality. * All-in-one printers are a good example.
Multifunctional devices (MFD)
76
Drones or unmanned aerial vehicles (UAV).
* Take input from a controller and the output device is the drone. * Very cost effective now
77
Use cameras, microphones, and other sensors as inputs to perform an expanding range of capabilities.
Robots
78
Ergonomics
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
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
80
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.
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