The computer is the most complex machine man ever created. Who
could imagine that one day one machine could do the same tasks
our brain does? The computer is one of the machines that
contributed to change the world entirely and build the
technology society we live in now. They can be compared with the
industrial revolution when machines replaced our muscles. Now
the computers are replacing our brains in some tasks such as
repetitive math functions and management of complex accounts
such as a company finance information. The computer is also the
machine the has the fastest improvement of all. For example,
just 10 years ago cars didn’t change that much, but computers
are completely different right now. The processor is more than
ten times faster and the hard disk capacity is more than one
hundred times bigger. The first computer ever built was named
Eniac, with 30 tons of weight it needed almost an entire
building just for it. The U.S. Army bought it for 500.000$!
Today, just 50 years later Eniac is completely