Inside a computer, is a bunch of electric pulses and signals. These pulses and signals transfer information between different parts of the computer. For example, Electrical current is sent from your hard drive to your RAM, and that pulse of electricity has specific information. There are a bunch of Bynaries traveling (0's and 1's) and the bynary is the basic information of a computer.
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http://www.barnsley.gov.uk/bguk/Council_…