FULLFORMS_2

 

FULLFORMS_2

ABC                =                      Atansoff Berry Computer

IBM                =                      International Business Machine

ENIAC           =                      Electronic Numerical Intergrator and Calculator

EDSAC           =                      Electronic Delay Storage Automatic Computer

EDVAC          =                      Electonic Discrete Variable Automatic Computer

UNIVAC        =                      Universal Automatic Computer

NCC                =                      National Computer Center

HLCIT                        =                      High Commision for Infromaton Technology

IT                    =                      Information Technology.

POINT TO REMEMBER

• An Abacus is one of the first calculating devices created by Chinese men about 5500 year ago.
• Napier’s Bone was invented by a Scottish mathematician John Napier in 1617 AD.
• Slide Rule was invented by William Oughtred in 1620 AD.
• Blaise Pascal, a French mathematician invented the first mechanical calculating machine called Pascaline in 1642 AD.
• Speeded Reckoner was invented by Gottfied Von Leibnitz in 1671 AD.
• Joseph Marie Jacquard invented an automatic weaving machine called loom in 1801AD.
• Charles Babbage developed Difference Engine in 1822 A.D. and Analytical Engine in 1833 A.D.He is known as the father of computer programmer.
• Lady Ada is known as the first computer programmer.
• Tabulating Machine was invented by Herman Hollenrith.
• In 1945 AD John Von Newmann introduced the concept of having stored program in meomory