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History of Computer 1689023013-home-player-prime-lifestyle-hero-primary-sm…
History of Computer
Earliest computers originally calculations were computed by humans whose job title was computer. .
These human computers were typically engaged in the calculation of a mathematical expression.
The calculations of this period were specialized and expensive, requiring years of training in
mathematics.
The first use of the word "computer" was recorded in 1613, referring to a person who carried out calculations..
Evolution of Computers
Manual-Mechanical Devices
Electro-Mechanical Devices
Electronic Devices
ABC (Atanasoff Berry Computer)
The first electronic digital computing device
1939
ENIAC (Electronic Numerical Integrator and Calculator)
The first electronic general-purpose Computer
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EDSAC (Electronic Delayed Storage Automatic Computer)
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Automatic Weaving Loom
It is an automatic loom controlled by punched cards.
1881
Punch Card Machine
The first use of punched cards to store data.
Used to assist in summarizing information and accounting
1890
Turing Machine
simple abstract computational devices intended to help investigate the extent and limitations of what can be computed.
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Z1
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Allan Turing - The Father of Artificial Intelligence. He had an idea that computers would become so powerful that they would think. He published a paper called "Computing Machinery and Intelligence"
Tally Sticks
Abacus
Napier Bones
Allowed the operator to multiply, divide and calculate square and cube roots by
moving the rods around and placing them in specially constructed boards.
1600
Slide Rule
• Used primarily for – multiplication – division – roots – logarithms – Trigonometry
• Not normally used for addition or subtraction.
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Pascaline
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It used to perform basic arithmetic operations.
1450
A tally stick was an ancient memory aid device to record and document numbers, quantities,
or even messages.
Around 1100 in Medieval England
