Output Device Any hardware component that conveys information to people.
Any hardware component that conveys
information to people.
visually conveys text,
graphics and video information.
A desktop monitor that uses a cathode-ray tube to
Bigger and bulkier LCD monitor, consume more
power and prone to screen flicker.
A desktop monitor that uses a liquid crystal
display to produce images.
– Offers sharp, flicker-free images, lighter and
thinner, and more energy saving compared to CRT
A display device that uses gas plasma technology
to produce images
Offer larger screen size and richer colors than LCD
monitor, but more expensive
A display that uses an array of light-emitting
diodes to produce images.
– Offers better color quality, clarity, and better
produces text and
graphics on a physical medium such as paper
Printed information, called hardcopy, exists
physically and is more permanent than
– Forms characters and graphics on a piece of paper
by striking a mechanism against an inked ribbon
that physically contacts the paper.
Noisy, and print quality is slightly less clear
Used in business for routine jobs such as printing
labels or multilayers forms.
Form characters and graphics on a piece of paper
without actually striking the paper
– Form characters and graphics by spraying ink,
using heat, or using pressure
– Quiet, and better print quality
Sprays tiny drops of liquid ink onto a piece of
Uses laser beam and powdered ink to transfer
images onto paper.
high-speed and high quality nonimpact printer
Generates images by pushing electrically heated
pins against heat sensitive paper
used to produce high-quality
drawings such as blue-prints, maps and circuit
Audio Output Device
music, speech or other sound.
Video Output Device
images or computer data on a screen or other flat
modern equivalent of the slide projector or
advance form of digital television that provide
very high resolution.
Users plug one end of a cable in the game console
and the other end in the video port of the