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CIS 111_Study for Quiz/Test > Chapter 6: Input and Output > Flashcards

Chapter 6: Input and Output Flashcards

1
Q

Input devices convert what we understand into

A

What the system unit can process

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2
Q

Output devices convert

A

What the system unit has processed into a form what we can understand

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3
Q

Any data or instructions entered into

A

A computer

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4
Q

Input devices translate data into

A

A form that the system unit can process

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5
Q

Some hardware input devices include:

A

1) Keyboard
2) Mice
3) Pointing
4) Scanning
5) Image capturing
6) Audio input

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6
Q

Keyboard entry

A

1) Traditional keyboards
2) Laptop keyboards
3) Virtual keyboards
4) Thumb keyboard

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7
Q

Pointing Devices

A

Provide an intuitive interface by accepting pointing gestures and converting them into machine-readable input

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8
Q

Wide variety of devices, such as:

A

1) Mouse
2) Touch screen
3) Game controller
4) Stylus

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9
Q

Mouse types

A

1) Optical mouse
2) Wireless mouse
3) Touch pads

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10
Q

Optical mouse

A
  1. Has no moving parts
  2. Emits and senses light to detect mouse movement
  3. Can be used on any surface
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11
Q

Wireless mouse

A
  1. Battery operated
  2. Uses radio waves or infrared light waves
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12
Q

Touchpads

A
  1. Controls pointer by moving and tapping your fingers on the surface of the pad
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13
Q

Touch Screen

A

1) Can be touched with more than one finger
2) Stylus is a pen-like device

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14
Q

The stylus is a pen-like device

A
  1. Used on tablets
  2. Uses handwriting recognition software
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15
Q

Gaming Controllers

A

Provide input to computer games:
1. Joysticks use pressure and direction of the stick
2. Gaming mice are similar to a mouse but high precision
3. Game pads use both hands
4. Motion sensing device control games by user movement

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16
Q

Scanning Devices

A

Scanners convert scanned data into a form the system unit can process

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17
Q

Optical Scanners

A

1) Flatbed scanners
2) Document scanners
3) Portable scanners
4) 3D scanners

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18
Q

Card Readers

A

Interpret encoded information that is stored on debit, credit, and identification cards
1) Magnetic card reader
2) Chip card reader

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19
Q

Magnetic Card Reader

A

Information read from strip when swiped through reader

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20
Q

Chip Card Reader

A
  1. Information read from a chip when inserted in the reader
  2. Smart cards hold additional security information
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21
Q

Bar Code Readers

A

Contain photo-electric cells that scan or read bar codes or the zebra-striped marks printed on product containers
1) Wand readers
2) UPCs and MaxiCode readers

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22
Q

Wand readers

A

Handheld readers

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23
Q

UPCs and MaxiCode reader

A
  1. UPCs are heavily used in grocery stores for automated checkout and inventory control
  2. MaxiCode used by shipping companies for routing packages
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24
Q

RFID Readers

A

Radio-frequency identification

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25
Radio-frequency identification
Tiny chips embedded in most anything contain electronically stored information that can be read using an RFID reader located several yards away 1) Tracking pets 2) Update and control inventories 3) Read passports
26
Character and Mark Recognition Readers
Recognize special characters and marks
27
Character and Mark Recognition Devices are:
1) Magnetic-ink character recognition (MICR) 2) Optical-character recognition (OCR) 3) Optical-mark recognition (OMR)
28
Magnetic-ink character recognition
Used by banks to read encoded characters on checks
29
Optical-character recognition (OCR)
Reads preprinted characters such as wand scanners
30
Optical-mark recognition (OMR)
Sense the presence or absence of marks used for test scoring
31
Create or capture original images
1) Digital Camera 2) Webcams
32
Digital Camera
Capture images digitally and store in memory
33
Webcam
Capture images and send to a computer
34
Audio-Input Devices
Voice recognition systems
35
Voice Recognition Systems
1) Use a microphone, sound card, and special software 2) Users can operate computers and create documents using voice commands 3) Included in many smartphones -1. Siri in phone -2. Cortana on Windows phones -3. Google Now in Google phones
36
Output
Processed data or information 1) Types of output 2) Output devices
37
Types of output
-1.Text -2. Graphics/photos -3. Audio & video
38
Output devices
-1. Monitors -2. Printers -3. Audio-output devices
39
Monitors
Known as screens or display screens and present visual images of text and graphics
40
Monitor Features
-1. Clarity -2. Resolution/pixels -3. Dot pitch -4. Contrast ratios -5. Size -6. Aspect ratio
41
Monitor Types
Flat-panel monitors and three types of it are including: -1) Liquid Crystal Display (LCD) -2) Light Emitting Diode (LED) -3) Organic Light Emitting Diode (OLED)
42
Liquid Crystal Display (LCD)
Older monitors
43
Light Emitting Diode (LED)
More advanced backlighting
44
Organic Light Emitting Diode (OLED)
Thin layer organic compound that produces light
45
E-book Readers
An ebook is a traditional book printed in electronic form
46
Ebook readers are dedicated mobile devices for
Storing and displaying ebooks and use e-ink technology
47
E-link technology
Produces images that reflect light are include Kindle and Nook
48
Other Monitor Types
1) Digital/interactive whiteboards 2) Ultra High-definition television (UHDTV) 3) Digital Projector
49
Digital/interactive whiteboards
-1. Connect to a computer or project -2. Controlled using a special pen, your finger, and classroom and corporate boardrooms.
50
Ultra High-definition television (UHDTV)
Digital output delivers a much clearer and more detailed image than regular HDTV.
51
Digital Projector
Project the images from a traditional monitor onto a screen or wall
52
Printers
Translate information that has been processed by the system unit
53
Printers Features
-1) Resolution -2) Color -3) Speed -4) Memory -5) Duplex printing
54
Printer Types
1) Ink-jet printers spray ink at a high speed 2) Laser printers use a laser light beam to produce images 3) 3D Printers create 3D shapes with a thin layer of material repeatedly until created
55
Ink-jet printers spray ink at high speed.
Reliable, quite and inexpensive
56
Laser printers use a laser light beam to produce images
-1) Fast and excellent quality -2) Personal or shared
57
3D Printers create 3D shapes with a thin layer of material repeatedly until created
Additive manufacturing
58
Other Printers
Cloud Printer
59
Cloud Printer
-1) Connected to the Internet to provide services to others on the Internet -2) Thermal printers -3) Plotters
60
Audio and Video Devices
1) Translate audio information from the computer into sounds that people can understand 2) Bluetooth Technology
61
Translate audio information from the computer into sounds that people can understand
Speakers and headphones
62
Bluetooth Technology
Wireless technology and used to connect to speakers and headsets
63
Combination of Input and Output Devices
1) Headsets 2) Multifunctional devices (MFD) 3) Virtual Reality (VR) 4) Virtual head-mounted displays, and controllers
64
Headsets
Combine a microphone and headphones
65
Multifunctional devices (MFD)
-1. Cost-efficient but lower quality -2. All-in-one printers are a good example
66
Virtual Reality (VR)
Artificial or simulated reality
67
Drones
1) Drones or unarmed aerial vehicles 2) Robots
68
Dones or unarmed aerial vehicles
-1. Take input from a controller, and the output device is the drone -2. Very cost effective now
69
Robots
Use cameras, microphones, and other sensors as inputs
70
Make IT Work for You ~ Head-Mounted Displays
Two types of head-mounted displays -1. Virtual Reality (VR) -2. Augmented Reality (AR) -3. Can be expensive
71
Ergonomics
1) Study of human factors related to things people use 2) Fit the task to the user to avoid:
72
Fit the task to the user to avoid
-1. Eyestrain and headache -2. Back and neck pain -3. Repetitive strain injury
73
Ergonomic Challenged Devices
Portable devices are not set up for ergonomics
74
Laptop
Because the keyboard and monitor are connected, they cannot be set up ergonomically
75
Tablets
Tablet hunch is caused by the users head being improperly aligned to the viewing surface
76
Smartphones
Blackberry thumb results from using thumbs to type on a tiny keyboard
77
A Look to the Future (Internet of Things)
1) Smartwatch 2) Web-connected car

CIS 111_Study for Quiz/Test (9 decks)

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