Personal Computers
An indispensable tool for
managers, humble office workers and home users.
Two
main types:
Desktop
model – the system unit sits horizontally
on a desk and the monitor is placed on top.
Tower
model – the system unities
vertical so can be placed on the floor to
save desk space.
Hardware devices (screen,
keyboard and mouse) attached to the system unit (by a cable)are called peripheral devices.
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