Research

Webster's Dictionary defines "computer" as any programmable electronic device that can store, retrieve, and process data. The basic idea of computing develops in the 1200's when a Moslem cleric proposes solving problems with a series of written procedures. As early as the 1640's mechanical calculators are manufactured for sale. Records exist of earlier machines, but Blaise Pascal invents the first commercial calculator, a hand powered adding machine. Although attempts to multiply mechanically were made by Gottfried Liebnitz in the 1670s the first true multiplying calculator appears in Germany shortly before the American Revolution.

We all use personal computers and we all take them for granted in our everyday lives. It’s easy to forget that PCs have only been around for a couple of decades, and initially were nowhere near the powerhouses we have on our desks today. For example, did you know that the first “portable” computer weighed 25 kg (55 lb) and cost close to $20,000, that the first laser printer was big enough to fill up most of a room, or that you basically had to build the first Apple computer yourself? This article takes a look at the time when the computer equipment we now take for granted was invented and what it looked like back then.

500 B.C. The abacus was first used by the Babylonians as an aid to simple arithmetic at sometime around this date. The abacus in the form we are most familiar with was first used in China in around 1300 A.D. 1614 Scotsman John Napier (1550-1617) published a paper outlining his discovery of the logarithm. Napier also invented an ingenious system of moveable rods (referred to as Napier's Rods or Napier's bones). These allowed the operator to multiply, divide and calculate square and calculate cube roots by moving the rods around and placing them in specially constructed boards. 1623 Wilhelm Schickard (1592-1635), of Tuebingen, Wuerttemberg (now in Germany), made a "Calculating Clock". This mechanical machine was capable of adding and subtracting up to 6 digit numbers, and warned of an overflow by ringing a bell. Operations were carried out by wheels, and a complete revolution of the units wheel incremented the tens wheel in much the same way counters on old cassette deck worked.

Quick Timeline 1000: The abacus gained widespread acceptance in Europe. 1617: John Napier, discoverer of logarithms, invented a calculating device based on them called Napier’s Bones. 1622: William Oughtred invented the slide rule, based on Napier’s work with logarithms. The slide rule is an “analog” computer and served as the primary computing device for engineers until 1972. Oughtred’s was circular, but here’s a straight on by Robert Bissaker (1654).

A Bit of Archeology There are lots and lots of opinions on the date of birth of the first computer virus. I know for sure just that there were no viruses on the Babbidge machine, but the Univac 1108 and IBM 360/370 already had them ('Pervading Animal' and 'Christmas tree'). Therefore the first virus was born in the very beginning of 1970s or even in the end of 1960s, although nobody was calling it a virus then. And with that consider the topic of the extinct fossil species closed.

Several successive inventions have been necessary before computer become possible... Inventions Abacus. Invented by ancient chinese. The clock. Bolter credits the invention of the weight-driven clock as the key invention of Europe in the Middle ages, in particular the verge escapement that provides us with the tick and tock of a mechanical clock. This led immediately to mechanical automata beginning in the thirteenth century. Pascaline, first calculator by Blaise Pascal.

Computer Languages Timeline

Are you on a computer right now? Then do you know how a computer evolved? Read all about the evolution of computers.

Each generation of computer is characterized by a major technological development that fundamentally changed the way computers operate, resulting in increasingly smaller, cheaper, more powerful and more efficient and reliable devices.

The history of computer development is often referred to in reference to the different generations of computing devices. A generation refers to the state of improvement in the product development process. This term is also used in the different advancements of new computer technology. With each new generation, the circuitry has gotten smaller and more advanced than the previous generation before it. As a result of the miniaturization, speed, power, and computer memory has proportionally increased. New discoveries are constantly being developed that affect the way we live, work and play.