![]() ![]() In the early 1820s, Charles Babbage created the Difference Engine. It was a digital mechanical calculator known as the stepped reckoner because it used fluted drums instead of gears. In 1673, a German mathematician-philosopher named Gottfried Wilhelm Leibniz improved on Pascal’s invention to create this apparatus. It was a wooden box with gears and wheels inside. It is thought to be the first mechanical and automated calculator. Pascaline was invented in 1642 by Biaise Pascal, a French mathematician and philosopher. It was also the first machine to calculate using the decimal point system. For calculating, this instrument used 9 separate ivory strips (bones) marked with numerals to multiply and divide. John Napier devised Napier’s Bones, a manually operated calculating apparatus. The abacus operator moves the beads according to certain guidelines to complete arithmetic computations. It’s a wooden rack with metal rods with beads attached to them. Let us look at a few of the early-age computing devices used by mankind.Ībacus was invented by the Chinese around 4000 years ago. More computing devices were produced as technology advanced and the human intellect improved over time. ![]() People used sticks, stones, and bones as counting tools before computers were invented. A computer is an electronic machine that collects information, stores it, processes it according to user instructions, and then returns the result.Ī computer is a programmable electronic device that performs arithmetic and logical operations automatically using a set of instructions provided by the user. ![]()
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