A
computer could be a device that may receive, method and store
knowledge. they're used as tools in each a part of society along with the web. Computers today area unit complex; there area unit lots of various parts within them, and that they all serve totally different
functions. all of them have to be compelled to work along for
{the laptop|the pc} to work; knowing however a computer works makes it easier to use a computer by having the ability to know however a computer can respond.
Hardware:
The term "Hardware" refers to the physical parts of a pc; the machinery or the physics in an exceedingly computer. A basic pc consists of four components:
Input device (or input unit)
CPU (Central process Unit)
Memory (or Memory unit)
Output device (Output unit)
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