Computer Hardware ConceptsInput - Output

Thad Crews

Western Kentucky University

INPUT PROCESS OUTPUT

Input – Process – Output

INPUT

• Keyboard• Mouse

PROCESS OUTPUT

Input – Process – Output

INPUT

• Keyboard• Mouse

PROCESS

• CPU• Memory

OUTPUT

Input – Process – Output

INPUT

• Keyboard• Mouse

PROCESS

• CPU• Memory

OUTPUT

• Monitor• Printer

Input – Process – Output

Input Devices

•Keyboards•Pointing Devices•Scanning Devices• Image Capturing Devices•Audio-Input Devices

Input Devices

•Keyboards• Traditional keyboards• Ergonomic keyboards• Wireless keyboards• PDA keyboards• Virtual keyboards (YouTube)

Input Devices

•Pointing Devices• Mice

• Mechanical• Optical• Cordless or Wireless

• Trackball• Touch pad• Pointing stick• Joystick• Touch Screen• Stylus

The Original Palm Pilot

Input Devices

•Scanning Devices• Optical scanners

• Flatbed scanner• Portable scanner• Scantron reader

• Barcode readers• RFID

• Magnetic readers• Proximity readers

Input Devices

•Scanning Devices• Optical scanners

• Flatbed scanner• Portable scanner• Scantron

• Barcode readers• RFID

• Magnetic readers• Proximity readers

Input Devices

•Scanning Devices• Optical scanners

• Flatbed scanner• Portable scanner• Scantron

• Barcode readers• RFID

• Magnetic readers• Proximity readers

Input Devices

• Image Capturing Devices• Digital Cameras• Digital Video Cameras• Web cams

Input Devices

•Audio/Input Devices• Voice recognition

How Cool Is This? www.Gigapan.org

Link to http://www.gigapan.org/viewGigapan.php?id=17217http://www.youtube.com/watch?v=UeGPR1NolUg&feature=related

INPUT PROCESS OUTPUT

• Monitor• Printer

OUTPUT (monitor, printer, what else?)

Monitor Output•Monitor resolution is called “soft copy” and is

measured in pixel dimensions (e.g. 1280 x 1024)•CRT displays are being replaced by flat screen

technology

Connecting Display Devices

standard monitor

port

S-video port Digital Video Interface (DVI) port

Connecting Display Devices

Printer Output•Printer resolution is measured in dots per inch (dpi)

IBM’s Flexible Display (in development)

Disney’s Soaring ride

The Road Ahead???

•Microsoft Surface 2008 (YouTube) •Microsoft Surface 2 Demo - CES 2011 (YouTube)•Technology Future Vision (YouTube)