What Is A Computer?

What Is A Computer?
A computer is a machine (just like a washing machine)
that manipulates data according to a list of instructions. The first devices that resemble
modern computers date to the mid-20th century (1940–1945), although the computer
concept and various machines similar to computers existed earlier.
Early electronic computers were the size of a large room, consuming as much power as
several hundred modern personal computers (PC). Modern computers are based on tiny
integrated circuits and are millions to billions of times more capable while occupying a
fraction of the space.
Today, simple computers may be made small enough to fit into a wristwatch and be
powered from a watch battery. Personal computers, in various forms, are icons of the
Information Age and are what most people think of as "a computer"; however, the most
common form of computer in use today is the embedded computer.
Embedded computers are small, simple devices that are used to control other devices —
for example; they may be found in machines ranging from fighter aircraft to industrial
robots, digital cameras, and children's toys.
The ability to store and execute lists of instructions called programs makes computers
extremely versatile and distinguishes them from calculators. The Church–Turing thesis is
a mathematical statement of this versatility: any computer with a certain minimum
capability is, in principle, capable of performing the same tasks that any other computer
can perform.
Therefore, computers with capability and complexity ranging from that of a personal
digital assistant to a supercomputer are all able to perform the same computational
tasks given enough time and storage capacity
======================================================
Have you signed up for your free computer training lessons yet? If not, go over to our
website at http://www.learncomputerfast.com or at: http://freebasiccomputerskills.com
to start receiving your free computer training lessons and download your free website
designing software to master how to design your own website… it’s easier than you may
think and is FREE for you….
======================================================