1. Computers are your Future
Chapter 3

2. Input Devices: Keyboards
Function Keys
Escape
Tab
Caps lock
Windows key
Ctrl and Alt
Shift
Cursor movement keys
Numeric keypad
Number lock
Toggle keys
Cursor/insertion point
Wireless keyboards
Mobile device keyboards
Intelligent keyboards
Virtual laser keyboard

6. Input Devices: Mouse Optical mouse Travel Mouse Wheel mouse
LED light
Travel Mouse
Wheel mouse
Scroll text
Wireless mouse
Mouse Alternatives
Trackball
Touchpad
Joystick
Stylus
Touch screen

7. Input Devices: Alternative
Speech recognition
Skinput
Scanners
Bar code reader
Optical mark reader
Scantron tests
Magnetic strip card reader
Biometric input device
Digital Camera
Video Camera
Web cam

8. Output Devices: Monitors
LCD
Liquid crystal display
Soft copy vs hard copy (printed)
Screen size
Diagonal measurement
Resolution
Pixels
Televisions as monitors
HDTV
HDMI port
OLED
No backlighting required
Flexible OLED

9. Output Devices: Printers
Inkjet printer
Dpi
Laser printer
Toner
Dot matrix
Obsolete
Ribbon
Thermal transfer
Photo printer
Plotter
maps

10. Output Devices: Other Projectors Multifunction device Fax
Printer/scanner/copier
Fax

11. Storage Vs. Memory Storage Memory Retains data when device is off
Less expensive
Used in start up
Needed for output
Memory
RAM (volatile)
More expensive – must operate quickly to keep up with CPU

12. Memory Devices: Hard Disk NAS (Network Attached Storage)
Remote Storage (Internet hard drive)
Flash Drives
Blue Ray
Hi-def video recording, rewriting, playback
CD and DVD
CDR
Compact disk recordable
CDRW
Compact disk rewriteable
DVD + R
Recordable
DVD + RW
Rewritable

13. Storage Devices Solid State Flash Memory Cards Smart Card Memory chip
SD Card
Mini SD Card
Micro SD Card
Smart Card
Debit card w/ chip

14. Storage Devices: Future
Holographic storage
Laser beams
50,000 music files on postage stamp size
Eye-fi wireless memory card
Transfer photos from phone to PC
Racetrack memory
High speed and uses less power

15. Challenge
How do you transfer data from one storage or memory device to another?
Next time: File Management