Tuesday, July 26, 2011
History of Computers
HISTORY OF COMPUTERS
Computers help us a lot in many ways. We make use of them especially when we need something to be done efficiently, like our homeworks and projects. We also learn how to mingle and make friends through social networking sites like Facebook and Twitter. How wonderful is the world of technology....
Who invented the computer? Actually, there is no particular inventor who made this masterpiece, since a lot of inventors contributed their own inventions of computers through the ages. Here are a few of the early computers:
ABACUS- the first computers; used for simple operations
NAPIER'S BONE- this tool is made up of multiplication tables inscribed in a wood or bone.
SLIDE RULE- a single straight two-foot long ruler plotted with a logarmithic scale.
Manual Mechanical Computers
PASCALINE- first operational calculating machine that could add large numbers
STEP RECKONER-a device that could add, subtract, multiply, divde and get square roots.
DIFFERENCE ENGINE-automatically calculated mathematical tables, such as logarithmic and trigonometric tables. Charles Babbage called this machine a "computer"
ANALYTICAL ENGINE- not only able to perform calculations but also to store data in the memory and perform logical comparison.
Electromechanical Computer
HOLLERITH'S TABULATING MACHINE- this machine was able to represent, read and assemble data
Electronic Computers
MARK 1- could execute operations in a short period of time
ENIAC or Electronic Numerical Integrator and Computer- made up of vacuum tubes; used to process one problem at a time
UNIVAC or Universal Automatic Computer-it is the first commercially available computer that could perform about 1,905 operations per second running on a 2.25 Megahertz clock
Computers help us a lot in many ways. We make use of them especially when we need something to be done efficiently, like our homeworks and projects. We also learn how to mingle and make friends through social networking sites like Facebook and Twitter. How wonderful is the world of technology....
Who invented the computer? Actually, there is no particular inventor who made this masterpiece, since a lot of inventors contributed their own inventions of computers through the ages. Here are a few of the early computers:
ABACUS- the first computers; used for simple operations
NAPIER'S BONE- this tool is made up of multiplication tables inscribed in a wood or bone.
SLIDE RULE- a single straight two-foot long ruler plotted with a logarmithic scale.
Manual Mechanical Computers
PASCALINE- first operational calculating machine that could add large numbers
STEP RECKONER-a device that could add, subtract, multiply, divde and get square roots.
DIFFERENCE ENGINE-automatically calculated mathematical tables, such as logarithmic and trigonometric tables. Charles Babbage called this machine a "computer"
ANALYTICAL ENGINE- not only able to perform calculations but also to store data in the memory and perform logical comparison.
Electromechanical Computer
HOLLERITH'S TABULATING MACHINE- this machine was able to represent, read and assemble data
Electronic Computers
MARK 1- could execute operations in a short period of time
ENIAC or Electronic Numerical Integrator and Computer- made up of vacuum tubes; used to process one problem at a time
UNIVAC or Universal Automatic Computer-it is the first commercially available computer that could perform about 1,905 operations per second running on a 2.25 Megahertz clock
Walang komento:
Mag-post ng isang Komento