General Knowledge on Computers

Abacus is considered as the first known counting device and it was originated from Asia. Abacus worked on a place-value notion meaning that the place of a bead or rock on the apparatus determined how much it was worth.

A French mathematician and philosopher Blaise Pascal invented the first mechanical digital calculator in 1642 using gears known as the Pascaline.

Charles P. Babbage later known as the “father of the computer”, designed a machine, the difference engine which was steam-powered, fully automatic and commanded by a fixed instruction program in 1812

In 1947 the giant calculating device ENIAC (Electrical Numerical Integrator and Calculator) machine was developed by John W. Mauchly and J. Presper Eckert, Jr. at the University of Pennsylvania.

Gene Amdahl designed the IBM System/360 series of mainframe computers in early 1960s, which is considered as the first general purpose digital computers which uses integrated circuits.

Dr. Hopper developed the COBOL (Common Business Oriented Language) programming language in 1961

The International Business Machines (IBM) publishes and marketed the term “word processor in 1964

Dr. Thomas Kurtz and Dr. John Kemeny developped BASIC (Beginners All-purpose Symbolic Instruction Code) programming language in 1965

The Internet was started in the year 1969

Computers were first used to communicate synchronously in the year 1969,

Dr. Ted Hoff developed the famous Intel 4004 microprocessor (G) chip in the year 1970

The Intel released the first microprocessor, a specialized integrated circuit which was able to process four bits of data at a time in the year 1971

In the year 1976 Apple Computers was founded by Steven Jobs and Stephen Wozniak.

In the year 1981 the IBM PC was introduced with a 16-bit microprocessor.