evolution of the computer land marks of the computer history
TRANSCRIPT
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Evolution of the Computer
Land marks of the Computer History
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Evolution of the Computer
Very simple society.
Simple Calculations and transactions
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Evolution of the Computer
Invention of Abacus to do calculations
more
vedio
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Evolution of the Computer
Blaise Pascal’s Adding Machine
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Gottfried Wilhelm
Von Leibniz
Made improvements to the Pascal’s machine. It was possible to divide
and multiply also
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The loom manufactured during the period of industrialization
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Evolution of the Computer
Charles Babbage’s Analytical Engine
Punched Card
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Evolution of the Computer
Hermon Hollerith’s Machine
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MARK I
MARK II
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Evolution of the Computer
ENIAC Computer (The First Electronic Digital Computer)
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UNIVAC
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IBM 650
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IBM 702
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Evolution of the Computer
- Used Vacuum Tubes
- Lot of heat
- more space to place
- Less Speed
- One job at a time
- Job scheduled Manually
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The First transistor
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Evolution of the Computer
- Used Transistors
- Job scheduled Automatically
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The First IC
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Evolution of the Computer
- Used Integrated Circuits (IC)
- Time sharing (more than one jobs at a time)
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Evolution of the Computer
- Used Microchips
-Distributed system
More
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Evolution of the Computer
- Artificial Intelligence (Robot Technology)
-Natural voice to input data
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GENERATIONS OF COMPUTERS
FIRST (early
50's)SECOND (late
50's)THIRD (60's)
FOURTH (70's +)
Technology vacuum tubes TransistorsIntegrated
circuitsmicrochips
(LSI, VLSI)
Relative speed 1 100 100 1,000,000 +++
Relative cost 1 0.1 0.01 0.001 ---
RAM capacity (bytes)
1,000-8,000 4,000-64,00032,000-
4,000,00032,000,000+++
External storage
cards Tape magnetic disks mass storage
Operating System
Single user; jobs scheduled manually
Single user; jobs scheduled automatically
Multiple users; time- sharing
Multiple users; distributed systems
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