Professor Michael J. Losacco CIS 1150 – Introduction to Computer Information Systems Input and Output Chapter 6

Chapter6 2/26 Overview Define Input Describe Keyboard Entry Discuss Pointing Devices Describe Scanning Devices Discuss Image and Audio Capturing Devices Define Output 2

Chapter6 3/26 Overview Discuss Monitor Features and Types Define Printing Features and Types Discuss Audio Devices Discuss Video Devices Define Combination Input/Output Devices Discuss Ergonomics 3

Chapter6 4/26 What is Input? 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 4

Chapter6 5/26 Keyboard Entry Traditional Notebook Virtual Tablets, Smartphones Thumb Smartphones, Handhelds Predictive Text Predict Word Being Typed as It’s Typed 5

Chapter6 6/26 Pointing Devices Mouse Trackball, Trackpad Touchscreen Game Pad, Joystick Simulation

Chapter6 7/26 Pointing Devices Stylus Handwriting Recognition Translates Handwritten Characters Graffiti

Chapter6 8/26 Scanning Devices Optical Flatbed Document Portable Card Readers Magnetic

Chapter6 9/26 Scanning Devices 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

Chapter6 10/26 Scanning Devices Character and Mark Recognition Devices Magnetic-ink Character Recognition OCR (Optical-character Recognition) Characters’ Shapes Determined Converted Into Editable Text OMR (Optical-mark Recognition)

Chapter6 11/26 Image Capturing Devices Digital Cameras Records Images Digitally Digital Video Cameras Records Motion Digitally Webcam

Chapter6 12/26 Audio-Input Devices Convert Sound To Digital Human Voice, Music Voice Recognition Systems Use Microphone Sound Card Special Software Contextual Use Challenges ESL, Women, Accents, Children

Chapter6 13/26 Mobile Data Collection 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

Chapter6 14/26 What is Output? Processed Data or Information Types Text Graphics Audio Video

Chapter6 15/26 Monitors AKA Screen or Display Features Resolution Pixel (Picture Element) Dot Pitch Contrast Ratio Size Aspect Ratio

Chapter6 16/26 Monitors Flat-panel Monitors Most Widely Used Today Thinner More Portable Require Less Power to Operate Liquid Crystal Display TFT-LC AMOLED

Chapter6 17/26 Monitors E-book Readers Kindle, Nook Digital/Interactive Whiteboards High-definition Television (HDTV) LCD – Brighter Screen, Longer Life Plasma – Rich Color, Low Lighting, Wide Angle LED – Thinner, Bright Lighting, Less Power

Chapter6 18/26 Monitors Bit Depth Number of Bits Used to Store Pixel Data Determines Number of Colors Displayed 32-bit Video Card 2 32 = 4.3 Billion Colors

Chapter6 19/26 Printers Hardcopy Features Resolution DPI (Dots per Inch) Color Speed PPM (Pages per Minute) Memory Duplex Printing

Chapter6 20/26 Printers Ink-jet Laser Personal or Shared Cloud Thermal Plotters

Chapter6 21/26 Audio and Video Devices Speakers and Headsets Portable Media Players AKA Digital Media Players Apple iPod, Creative Zen Mobile Digital Television (Mobile DTV) Watch TV on Computer, Smartphone

Chapter6 22/26 Combination Devices Multifunctional (MFD) Scan, Print, Fax, Copy Internet Telephones Voice-over IP (VoIP) AKA Internet Telephony Vonage MagicJack Skype

Chapter6 23/26 Combination Devices Robots Artificial Intelligence (AI) Simulate Human Senses, Thought Processes, Actions Robotics Perception System Industrial Mobile Household

Chapter6 24/26 Combination Devices Virtual Reality Headgear and Gloves Simulate Three-dimensional Environment Stereoscopic Screens Sensors Collect Data About Hand Movements Create Immersive Experience

Chapter6 25/26 Ergonomics 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

Chapter6 26/26 Careers in IT 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