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Advantages and Disadvantages of Output Devices (printers (laser printers…
Advantages and Disadvantages of Output Devices
printers
laser printers
Advantages
high quality printouts
very quiet
suppliers last long
high printing speed
Disadvantages
power consumption is high
colour lasers are very expensive to buy
power consuption is high
most laser printers are larger than inkjet printers
dot matrix printers
Advantages
can be used to print multi-part stationary
can be used with continous stationary
cheaper to run than inkjet printers
Disadvantages
low quality printouts
very noisy
more expensive to buy a inkjet printers
injet printers
Advantages
relatively compared to laser printer
do not produce ozone or organic vapours
high quality print
Disadvantages
high cost of he ink cartridges
ink smudges
cartridges do not last long
3D printes
Advantages
it is cheaper to use a 3D-printing rather than a traditional methords
much easier to produce customer products
Disadvantages
dangerous items such as weapons can be manufactored using a 3D printers
limited number of materials that can be used with 3D printers
wide frontal printers
Advantages
can print on larger than A4
no need for profesional print shops
can print maps, banners,plans...
Disadvantages
expensive especially if only used occasionaly
wide format printers are quite large
screens
touch screen
CRT monitors
Advantages
can be used with a light pen to edit
Disadvantages
glare screen problem
very heavy
take up large amount of space
TFT monitor
Advantages
very light
are thin dont take too much space
radiation given off is less than other CRT monitors
ideal for when one person is viewing the screen
Disadvantages
not easy to rapair
narrow view angle
LED monitors
Advantages
thinner
lighter
saves more energy than LCD
better picture quality
Disadvantages
more expensive
visibility is poor
IPS monitors
Advantages
energy efficient compared to CRT
wider view angle area to see in a group
much thinner
Disadvantages
not as energy efficient as an LCD monitor
not as good when used in dimly-lit rooms
others
speakers
applications which use sound include multimedia presentations and websites
motors
computers can issue control signals to turn electronic motors on or off
buzzers
often act as a warning signs or indicate that a control process has been completed
heaters
can be switched on or off according to control signals issued by a computer. Some control devices with heaters are: automatic washing matching machines, automatic cookers...
lights/lamps
are controlled by using a control system that has a light senors to sense the light level