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HISTORY OF COMPUTERS FROM ABACUS TO MODERN PCs

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Muhammad Ramzan
Muhammad Ramzan
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HISTORY OF COMPUTER
What is Computer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The first computer was human mind who has produce the idea of compute, brain is first computer machines inventions are later.
[object Object],[object Object],[object Object]
Abacus ,[object Object],[object Object],[object Object],[object Object]
Pascaline ,[object Object],[object Object],[object Object]
Leibniz Calculator ,[object Object],[object Object],[object Object],[object Object]
Jackuard Loom ,[object Object],[object Object],[object Object]
Arithmometer ,[object Object],[object Object],[object Object]
Difference Engine ,[object Object],[object Object],[object Object]
Analytical Engine ,[object Object],[object Object],[object Object]
Herman Hollrith – Tabulation Machine ,[object Object],[object Object],[object Object],[object Object]
Z1 computer ,[object Object],[object Object],[object Object],[object Object]
ABC Computer ,[object Object],[object Object]
Mark I ,[object Object],[object Object],[object Object],[object Object],[object Object]
ENIAC
ENIAC ,[object Object],[object Object],[object Object],[object Object]
Mark II The Harvard Mark II was an electromechanical computer built at Harvard University and was finished in 1947 . It was financed by the US Navy. The Mark II was constructed with high-speed electromagnetic relays instead of electro-mechanical counters used in the Mark I, making it much faster than its predecessor. Its addition time was 125,000 microseconds and the multiplication time was 750,000 microseconds and more faster than Mark I. It uses floating-point hardware. A unique feature of the Mark II is that it had built-in hardware for several functions such as the reciprocal, square root, logarithm, exponential, and some trigonometric functions. These took between five and twelve seconds to execute.
Transistor ,[object Object],[object Object],[object Object],[object Object]
UNIVAC
UNIVAC ,[object Object],[object Object],[object Object]
EDVAC ,[object Object],[object Object],[object Object]
IBM 701 ,[object Object],[object Object],[object Object],[object Object]
FORTRAN ,[object Object],[object Object],[object Object],[object Object]
ERMA & MICR ,[object Object],[object Object],[object Object],[object Object]
Integrated Circuit (IC) ,[object Object],[object Object],[object Object],[object Object]
Mouse and Windows ,[object Object],[object Object],[object Object]
ARPAnet ,[object Object],[object Object],[object Object]
Intel 1103 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Intel 4004 ,[object Object],[object Object],[object Object]
Floppy Disk ,[object Object],[object Object],[object Object],[object Object]
IBM 5100 ,[object Object],[object Object]
Apple I & II ,[object Object],[object Object],[object Object]
IBM PC ,[object Object],[object Object],[object Object]
MS DOS ,[object Object],[object Object]
Apple Lisa ,[object Object],[object Object],[object Object],[object Object]
Apple Macintosh ,[object Object],[object Object],[object Object],[object Object]
MS Windows ,[object Object],[object Object]
W W W ,[object Object],[object Object],[object Object]

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HISTORY OF COMPUTERS FROM ABACUS TO MODERN PCs

  • 1. HISTORY OF COMPUTER
  • 2.
  • 3. The first computer was human mind who has produce the idea of compute, brain is first computer machines inventions are later.
  • 4.
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  • 11.
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  • 14.
  • 15.
  • 16. ENIAC
  • 17.
  • 18. Mark II The Harvard Mark II was an electromechanical computer built at Harvard University and was finished in 1947 . It was financed by the US Navy. The Mark II was constructed with high-speed electromagnetic relays instead of electro-mechanical counters used in the Mark I, making it much faster than its predecessor. Its addition time was 125,000 microseconds and the multiplication time was 750,000 microseconds and more faster than Mark I. It uses floating-point hardware. A unique feature of the Mark II is that it had built-in hardware for several functions such as the reciprocal, square root, logarithm, exponential, and some trigonometric functions. These took between five and twelve seconds to execute.
  • 19.
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