Input

1
Input Output Hardware

• Chapter 6
• Taking Charge of Computing and Communications

2
Input Hardware

• Keyboards
• Mouses and other pointing devices
• Source Data Entry Input Devices

3
Keyboards

• You already know about these.
• Any Questions?

4
Mouses (Mice) Etc.

• Mouse
• Trackball
• Pointing Stick (pencil eraser on laptop)
• Touchpad (normally laptop)
• Joystick other game controllers
• Light pen
• Digitizing tablet

5
Source Data Entry

• Scanning Devices
• Bar Code Readers
• Mark Recognition
• OMR (Tests)
• MICR
• Optical Character Recognition
• Fax

6
Source Data Entry (cont)

• Imaging Systems
• Scanner
• Flatbed
• Sheetfed
• Handheld
• Audio Input
• Video Input including Digital Camera

7
Esoteric Source Data Entry

• Sensors
• Radio Frequency
• GPS
• Voice Recognition

8
Output Hardware

• Softcopy vs. Hardcopy

9
Display Devices

• CRTs
• Flat Panel Display
• Display controller Cards

10
Characteristics of Display systems

• Clarity
• Resolution
• Dot pitch
• Refresh rate
• Color Depth
• Monochrome vs Color

11
Hardcopy Output Devices

• Impact Printers
• Dot-matrix
• Character printers
• Non-Impact printers
• Laser
• Inkjet
• Thermal
• Black White vs. Color

12
Other Hard Copy Devices

• Plotters
• Multifunction Printers
• COM (computer output Microfilm)

13
Other Output Devices

• Sound
• VR

14
Combination Devices for both Input and Output

• Terminal
• Dumb
• Intelligent
• POS
• Touch Screen

15
Cards

• Magnetic stripe
• Smart Cards
• Optical Cards