Education

Abacus Computer

  • Abacus Computer The stone age man used pebbles for counting cattle. Later on, when man became more civilized, abacus came into use. Abacus seems to be the earliest calculating machine, which was developed by Chinese 3000 years ago.......More

Analog Machines and Napier Bones Computer

  • Analog Machines and Napier Bones Computer   John Napier, the Scottish mathematician, devised a set of rods for use in calculations involving multiplications. These rods were carved from bones and, therefore, called Napier's......More

Odometer (Speedometer) and Logarithm Computer

  • Odometer (Speedometer) and Logarithm Computer Sometime later, the odometer (now called speedometer), was invented perhaps before the birth of Christ, which led to development of mechanical adders and multipliers. In 1617, John Napier, the......More

Blaise Pascal and his Mechanical Calculator Computer

  • Blaise Pascal and his Mechanical Calculator Computer The first mechanical calculating machine was made in 1642 by the great French mathematician and philosopher, Blaise Pascal. His machine was a simple calculator used for addition and......More

Charles Babbage: Differential Engine Computer

  • Charles Babbage: Differential Engine Computer   Charles Babbage (1792-1871), another genius in history of computing, made a machine called Differential Engine which could evaluate accurately algebraic expressions and mathematical......More

Herman Hollerith: The Punched Card Computer

  • Herman Hollerith: The Punched Card Computer The next major contribution to the development of computers came from Dr. Herman Hollerith of the United States of America. He was working in USA Census Office during the time the census of 1880 was......More

Electrical Machines Computer

  • Electrical Machines Computer   During the later thirties and early forties of this century, various types of computers with very unusual names were built in Germany, UK and USA. The progress in computer technology was abnormally......More

Howard Aikens and IBM Mark I of Make Computer

  • Howard Aikens and IBM Mark I of Make Computer All the calculating machines invented hitherto were basically mechanical machines. The American multinational company IBM persuaded Howard Aikens and Grace Hopper of Harvard University in 1930 to......More

Computer Generations

  • Computer Generations The growth of computer after the end of the World War II was very rapid, but this development took place in five distinct phases known as computer generations. Like human generation gaps (in traditions, thinking and......More

Ages of Computer

  • Ages of Computer The computers so far developed i.e. up to the 4th generation do not have any thinking and decision taking ability. But the fifth generation computers being developed by the Japanese will evolve highly expert systems and......More

Computer Dynasty

  • Computer Dynasty Computers, in general, are of three types: (1) Digital computer; (2) Analog computer; and (3) Hybrid computer Digital Computer: In digital computers, mathematical expressions are finally represented as binary......More

Classification Based on Memory Size Computer

  • Classification Based on Memory Size Computer Digital computers are also classified in accordance with their memory-size as......More

Pentium Processor (1993) Computer

  • Pentium Processor (1993) Computer The Pentium processor allowed computers to more easily incorporate "real world" data such as speech, sound, handwriting and photographic images. The name Pentium(r), mentioned in the comics and on......More

Pentium Pro Processor (1995) Computer

  • Pentium Pro Processor (1995) Computer Released in the fall of 1995 the Pentium(r) Pro processor is designed to fuel 32-bit server and workstation-level applications, enabling fast computer-aided design, mechanical engineering and scientific......More

Pentium II Processor 1997 Computer

  • Pentium II Processor 1997 Computer The Pentium II is a Pentium Pro with Intel's MMX technology included. It comes in microprocessor clock speeds of 233 MHz (millions of cycles per second), 266 MHz, and 300 MHz. It's suitable for......More

Difference between a Computer and a Calculator

  • Difference between a Computer and a Calculator This is a question often asked, as a calculator costs only Rs 130 due to difference in the Rs 100 to 300 whereas even the smallest computer would require handsome money running into several......More

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