IT Basics 1.

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Presentation transcript:

IT Basics 1

Contents

Bibliography

Laboratory contents

Short history of the computers

The abacus: the first “Automatic Computer”

Pioneers - Blaise Pascal (1623-1662)

Pioneers - Charles Babbage (1791-1871)

“Difference Engine”

Claude Shannon

Howard Aiken and IBM Harvard Mark I computer

William Mauchly, J. Presper Eckert - ENIAC - Electronic Numerical Integrator And Computer

ENIAC - 1946

The next generations

John Von Neumann

The first transistor

The first integrated circuit

11/28/2018 Moore’ Law In 1965 Gordon Moore predicted that the number of transistors from a microprocessor will double every interval of aprox.18 months http://www.intel.com/content/www/us/en/silicon-innovations/moores-law-technology.html 28-Nov-18

The path to the first personal computer (PC)

Personal computers

Personal computers (cont.)

Personal computers (cont.)

Personal computers (cont.)

Portable computers (laptop) and PDA

iPhone!

I/O, processing, storage

Flynn’s taxonomy – parallel calculus

SISD (Single Instruction, Single Data)

SIMD (Single Instruction, Multiple Data)

MISD (Multiple Instruction, Single Data)

MIMD (Multiple Instruction, Multiple Data)