Output Devices
• Display monitors:
– Used to display the output from the computer
– Plasma display:
• Uses thousands of smart cells (pixels) consisting of
electrodes and neon and xenon gases that are
electrically turned into plasma to emit light
– LCD displays:
• Flat displays that use liquid crystals
– Organic light-emitting diodes (OLEDs):
• Use a layer of organic material sandwiched between
two conductors
Output Devices (continued)
• Printers and plotters:
– Two main types of printers are laser printers and
inkjet printers
– Plotters are a type of hard-copy output device used
for general design work
• Digital audio player:
– Can store, organize, and play digital music files
• E-books:
– Digital media equivalent of a conventional printed
book
Fundamentals of Information Systems, Sixth Edition 27
Fundamentals of Information Systems, Sixth Edition 28
Computer System Types
• Computer systems:
– Can range from desktop (or smaller) portable
computers to massive supercomputers that require
housing in large rooms