Brief history computing
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The document provides a brief history of the development of computers from early counting devices through modern times. It discusses how early humans developed notches, knots, and marks to count and track patterns in nature. It then outlines the development of counting boards, the abacus, the concept of zero and place value in different cultures, and early mechanical calculating devices developed by Pascal, Leibniz, and Babbage. It describes the development of programmable computers in the 20th century and innovations like the tabulating machine, ENIAC, stored-program concept, and the first personal computers.
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1. Information technology refers to the use of computers and software to manage information, including storing, protecting, processing, transmitting, and retrieving information.
2. The history of information technology spans from early writing systems to modern computers. Key developments include the abacus, mechanical calculators, punch cards, mainframe computers, and personal computers.
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The document summarizes the history of computers, beginning with early counting methods using stones, pebbles, fingers and marks. It then discusses the abacus as the first mathematical device for calculations, invented by the Chinese over 5,000 years ago. Later inventions included Napier's Bones, Pascal's mechanical calculator, and Babbage's Analytical Engine, which had elements of a modern computer and established Babbage as the father of the modern computer.
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This document provides a brief history of the evolution of computers from the 1930s to present day. It describes some of the earliest electronic digital computers like the ABC and Z3 and how they were used. It then outlines the development of Colossus, the Mark I, ENIAC, and EDVAC and notes technological advances like stored programs. Later sections discuss the first commercial computer UNIVAC I and large systems like SAGE. The document concludes by mentioning the development of transistors, microprocessors, GUIs, and advances like Deep Blue, virtual reality, robots like ASIMO, and the future of computing.
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The document provides a history of computers from ancient counting devices like the abacus to modern computers. Some key developments mentioned include:
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- The creation of programmable looms by Joseph Marie Jacquard in 1804 which used punched cards, a precursor to computer programming.
- The development of the Analytical Engine by Charles Babbage in 1833, considered a first computer for being programmable and using punched cards as programs.
- The invention of the transistor at Bell Labs in 1947, replacing vacuum tubes and enabling smaller computers.
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The document provides a historical overview of the evolution of computing from ancient times to the present. It discusses four periods: 1) The Pre-Mechanical Age, from 3000 BC to 1450 AD, when early numbering systems, writing, and mechanical calculators like the abacus were developed. 2) The Mechanical Age from 1450-1840, bringing advances like printing, logarithms, and early mechanical calculators. 3) The Electromechanical Age from 1840-1940 saw electricity harnessed for telecommunications and electromechanical machines. 4) The Electronic Age from 1941 onward led to programmable, stored-program computers like Z3, Mark I, and ABC.
History of Computers and Generations-1.pdf
The document discusses the five generations of computers from the 1940s to present. The first generation used vacuum tubes and were large, expensive machines. The second generation used transistors, making computers smaller and more efficient. The third generation used integrated circuits, further reducing size and cost. The fourth generation used microprocessors and VLSI circuits. The fifth generation uses ULSI, artificial intelligence, and parallel processing to be portable, powerful machines that understand natural language. Each generation saw improvements in miniaturization and performance.
History of Computers
History of computers from 500 BC abacus to modern-day computers. This includes 5 generations of computers.
History of Computer
The document provides a history of computers from ancient calculating devices like the abacus to modern computers. It describes early mechanical calculating devices invented by Pascal and Babbage, including the Pascaline adding machine and Babbage's analytical engine, considered one of the first computers. It also discusses the use of punched cards to store and process data, as well as important figures like Ada Lovelace who wrote an algorithm for Babbage's analytical engine.
sejarah komputer dari awal sampai saat ini
The document provides a detailed history of the development of computing from ancient times through the modern era. It discusses early counting devices like the abacus, followed by mechanical calculators in the 1500s-1800s. Punched cards and programmable computers using vacuum tubes were developed in the 1930s-40s. The stored program concept was pioneered in the 1940s, leading to general purpose computers. The invention of the microprocessor in the 1970s enabled the personal computer revolution. The document also summarizes the development of the Internet from early concepts in the 1960s to the creation of ARPANET in the late 1960s.
History of Computers.pptx
The document summarizes the history of computers from ancient counting devices like the abacus to modern computers. It describes the major milestones like the Pascaline mechanical calculator, Babbage's Analytical Engine, the first programmable computer Mark I, and the five generations of computers from vacuum tubes to integrated circuits and microprocessors. Each generation saw improvements in speed, size, cost and capabilities as new technologies like transistors, integrated circuits, and microchips were developed.
The Five Generations of Computers
The Five Generations of Computers
First Generation Computers (1940-1956)
Advantages :
Disadvantages :
Second Generation Computers (1956-1963)
Advantages :
Disadvantages :
Third Generation Computers(1964-1971
Advantages :
Disadvantages :
Fourth Generation Computers(1971-present)
Advantages :
Disadvantages :
Fifth Generation Computers (present and beyond)
History of Computer, Generations of Computer
The document provides a history of early computing devices and the evolution of computers through generations. It describes the earliest manual mechanical devices like the abacus. It then outlines the development of mechanical aids like Napier's Bones in the 1600s, the Pascaline adding machine in 1642, and Leibniz's Stepped Reckoner in 1694. The Jacquard loom of 1801 was an early programmable machine. Charles Babbage designed analytical engines in the 1800s but they were not completed. Herman Hollerith invented the tabulating machine using punched cards for automated data processing. Early electronic computers of the 1940s-50s included ENIAC, EDVAC, EDSAC and UNIV
Introduction to computers
This document provides an overview of the history of computers from ancient calculating devices like the abacus to modern electronic computers. It discusses how early mechanical calculators like Gottfried Leibniz's step reckoner paved the way for programmable computers. Charles Babbage designed but did not complete the Analytical Engine, considered the first general-purpose computer. Herman Hollerith's tabulating machine used punched cards to automate census counting. Early electronic computers like the Harvard Mark 1 used relays before the development of transistors allowed for faster computing.
Introduction to Computing Lecture 01 history of computers
Slides Include history of computers ,historical background of computer ,generations of computer ,introduction to computers ,computer history ,abacus, earliest computing devices, introduction to computing, introduction to computers, historical background of computers
Content Credits: Arthur Glenn(SlideShare.net)
History Of Computers
This document provides a history of the development of computers from ancient counting devices to early modern calculating machines and programmable computers. It describes inventions like the abacus, Napier's bones, the slide rule, Pascaline, Leibnitz calculator, Jacquard loom, Difference Engine, Analytical Engine, Tabulating Machine, and the Mark I - considered the first general purpose computer. These inventions progressively added capabilities like storage, programming, and automatic execution of programs to process data into useful information.
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Introduction to Computing Lecture 01 history of computers
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- 1. A Brief History of Computers Introduction to Computer Technology
Editor's Notes
- This presentation contains a brief history of Computing and Computers in the context of Human History and Development