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Chapter 6
Output
“You can’t have a better
tomorrow if you are thinking
about yesterday all the time.”
Monitors
• Create softcopy
CRT Monitor –(Cathode Ray Tube)
Monitor ergonomics
Resolution – sharpness & clarity of image
Refresh rate – speed at which image is
redrawn
Display Devices
What are video standards?

Video Electronics Standards Association (VESA)
develops video standards
p. 6.08 Fig. 6-7
Next
Flat Panel Monitors
• Uses liquid crystal display
Takes up less space
Consumes less power
Gas Plasma Display
• Applys voltage to layer of gas
– Larger screen size
– Higher quality
– More expensive
Printers
• Create hardcopy
– Continuous form paper
• Tractor fed
• Friction fed
nters
at is an ink-jet printer?
A type of nonimpact printer that
sprays tiny drops of liquid ink
onto paper

Nonimpact printer forms
characters and graphics without
striking paper
Prints in black-and-white or color
on a variety of paper types
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Next
• Audio Output
– Speakers
– headsets
• Voice output
– Computer talks to you
– Internet telephony
• Fax Modem – allows you to send electronic
documents as faxes
• Multifunction device
–
–
–
–
Print
Scan
Copy
Fax
Jaws
• Software package that reads items on
Windows screen to user
Chapter 6
Output