Transcript Input and Output

Chapter 6
Input and Output
Professor Michael J. Losacco
CIS 1150 – Introduction to Computer Information Systems
Overview
Chapter
6
Define Input
Describe Keyboard Entry
Discuss Pointing Devices
Describe Scanning Devices
Define Output
Discuss Monitor Features and Types
Define Printing Features and Types
Discuss Audio & Video Devices
Discuss Ergonomics
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What is Input?
Chapter
6
Translate Words, Sounds, Images, Actions
Into a Form that the System Unit Can Process
Input Devices Include:
Keyboards
Mice and Pointing Devices
Scanning Devices
Audio-input devices
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Keyboard Entry
Chapter
6
Traditional
Notebook
Virtual
Tablets, Smartphones
Thumb
Smartphones, Handhelds
Predictive Text
Predict Word Being Typed as It’s Typed
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Pointing Devices
Chapter
6
Mouse
Trackball, Trackpad
Touchscreen
Game Pad, Joystick
Simulation
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Pointing Devices
Chapter
6
Stylus
Handwriting Recognition
Translates Handwritten Characters
Graffiti
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Scanning Devices
Chapter
6
Optical
Flatbed
Document
Portable
Card Readers
Magnetic
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Scanning Devices
Chapter
6
Bar Code Readers
Uses Laser Beam to Read Bar Codes
Vertical Lines / Spaces of Different Widths
RFID Readers
Reads Tag Via Radio Waves
Uses
Manage Inventory
Toll Payments
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Scanning Devices
Chapter
6
Character and Mark Recognition Devices
Magnetic-ink Character Recognition
OCR (Optical-character Recognition)
Characters’ Shapes Determined
Converted Into Editable Text
OMR (Optical-mark Recognition)
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Image Capturing Devices
Chapter
6
Digital Cameras
Records Images Digitally
Digital Video Cameras
Records Motion Digitally
Webcam
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Audio-Input Devices
Chapter
6
Convert Sound To Digital
Human Voice, Music
Voice Recognition Systems Use
Microphone
Sound Card
Special Software
Contextual Use
Challenges
ESL, Women, Accents, Children
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Mobile Data Collection
Chapter
6
Collect Data Where Transaction Occurs
Capture Data Directly From Source
Data Transfer
Wireless / Docking Station
Advantages
Saves Time
Lowers Labor Cost
Reduces Errors
Available Sooner for Analysis
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What is Output?
Chapter
6
Processed Data or Information
Types
Text
Graphics
Audio
Video
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Monitors
Chapter
6
AKA Screen or Display
Features
Resolution
Pixel (Picture Element)
Dot Pitch
Contrast Ratio
Size
Aspect Ratio
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Monitors
Chapter
6
Flat-panel Monitors
Most Widely Used Today
Thinner
More Portable
Require Less Power to Operate
LCD – Brighter Screen, Longer Life
Plasma – Rich Color, Low Lighting, Wide Angle
LED – Thinner, Bright Lighting, Less Power
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Monitors
Chapter
6
Bit Depth
Number of Bits Used to Store Pixel Data
Determines Number of Colors Displayed
32-bit Video Card
232 = 4.3 Billion Colors
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Printers
Chapter
6
Hardcopy
Features
Resolution
DPI (Dots per Inch)
Color
Speed
PPM (Pages per Minute)
Memory
Duplex Printing
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Printers
Chapter
6
Ink-jet
Laser
Personal or Shared
Cloud
Thermal
Plotters
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Audio and Video Devices
Chapter
6
Speakers and Headsets
Portable Media Players
Mobile Digital Television (Mobile DTV)
Watch TV on Computer, Smartphone
Fitness Watches
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Combination Devices
Chapter
6
Multifunctional (MFD)
Scan, Print, Fax, Copy
Internet Telephones
Voice-over IP (VoIP)
AKA Internet Telephony
Vonage
MagicJack
Skype
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Combination Devices
Chapter
6
Robots
Artificial Intelligence (AI)
Simulate Human Senses, Thought Processes, Actions
Robotics
Perception System
Industrial
Mobile
Household
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Combination Devices
Chapter
6
Virtual Reality Headgear and Gloves
Simulate Three-dimensional Environment
Stereoscopic Screens
Sensors Collect Data About Hand Movements
Create Immersive Experience
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Ergonomics
Chapter
6
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
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Careers in IT
Chapter
6
Technical Writer
Prepare Instruction Manuals, Technical Reports
Translate Technical Information
Easily Understandable Instructions or Summaries
Communications / Journalism / English Degree
Specialization in, or Familiarity with, a Technical Field
Annual Salary of $41,000 - $78,000
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