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1.1 Computer hardware benefits & limitations (output (projector (good…
1.1 Computer hardware benefits & limitations
input
mouse
small
easy to use
allows you to move the curser and navigate the internet
decent quality ones are expensive
keyboard
easy to use
allows you to write and create data
usually large and take up space
scanner
allows examining, reading and monotoring
allows you to turn physical documents into digital data
microphone
often expensive to buy
can break easily
allows communication
touch screen
allows easy navigation
often very expensive
output
printer
transfers digital data to papwer
often expensive
extra ink is needed every few months
air conditioner
allows cooling in hot rooms
expensive to buy
can be hard to install
projector
good for teachings / meetings / offices
allows many people to see a screen at once
often very expensive and can be hard to install
lots of open space is needed for it to work
speakers
very large
quite expensive
easy to break
headphones
often cheap
allows private listening in open areas
plotters
allows very high quality printing
very expensive
multi use - drawing, printing vector graphics, construction, CAD
monitor
faster than using a TV screen
expensive
communications
usb hub
already built into equipment eg keyboards, monitors etc
allows to connect to a host system
usually cheap
wireless network card
needs an antenna
expensive
allows connection to radio based computer networks
terminal
allows full access to the internet
expensive if high quality
network interface card
small
not overly expensive
often already stored on a computer
wireless router
can perform the same functions as a router
can provide access to the internet
includes the functions of a wireless access point