INPUT & OUTPUT

• INPUT: HUMAN TO MACHINE
• OUTPUT: MACHINE TO HUMAN

INPUT MEDIA

• KEYED INPUT
• POINTING DEVICES
• SCANNING DEVICES
• MISCELLANEOUS DEVICES
KEYBOARDS

• QWERTY
• DVORAK

POINTING DEVICES

• MOUSE
• TRACKBALL
• JOYSTICK
• TOUCH SCREENS
• LIGHT PENS

DATA SCANNING DEVICES

• SOURCE DATA AUTOMATION
• MICR
• OPTICAL RECOGNITION
• 	OPTICAL MARK
• 	OPTICAL CHARACTER
• 	BAR CODES

MISCELLANEOUS INPUT DEVICES

• VOICE RECOGNITION
• BIOMETRICS
• SENSORS
• SECONDARY STORAGE DEVICES

OUTPUT MEDIA

• MONITORS
• PRINTERS
• PLOTTERS
• AUDIO
• PHOTOGRAPHIC
• OUTPUT AS INPUT

OUTPUT MEDIA

• MONITORS
• PRINTERS
• PLOTTERS
• AUDIO
• PHOTOGRAPHIC
• OUTPUT AS INPUT

OUTPUT MEDIA

• SOFTCOPY vs. HARDCOPY

MONITORS

• CRT
• FLAT PANEL DISPLAYS
• 	LCD
• 	GAS PLASMA
• MONITOR NOT= TERMINAL

TERMINAL TYPES
• SMART

• DUMB

AUDIO OUTPUT

• SYNTHESIS BY ANALYSIS
• SYNTHESIS BY RULE

HARDCOPY:  PRINTERS

• IMPACT	CHARACTER		LINE		PAGE
• 		DOT-MATRIX	BAND, CHAIN
• 		DAISY WHEEL		DRUM
• 	


• NONIMPACT		THERMAL,INKJET	LASER

HARDCOPY: PLOTTERS

• FLATBED
• DRUM

HARDCOPY: PHOTOGRAPHIC

• MICROFILM
• MICROFICHE
OUTPUT AS INPUT

• ROBOTS
• SECONDARY STORAGE MEDIA
• 	TAPE, DISK, CD-ROM