Melina History of Computers

By mrsilva
  • Electromagnet

    Electromagnet
    The Electromagnet was first developed by William sturgeon in 1825. An EM (electromagnet) is a magnetic object created by running current through a conductive wire coiled around an iron core. In computers, electromagnets are commonly found in the read/write heads of disk drives.
  • Morse code

    Morse code
    Morse code was a code invented by Samuel Morse and Alfred Vail in 1836. It uses dots and dashes to represent the letter of the English alphabet and digits. It was a popular method of transmitting telegrams and other forms of communication before data and voice communications were developed.
  • Samuel Morse

    Samuel Morse
    Samuel Morse dispatched the first telegraphic message over a line washington, D.C to Baltimore on May 24, 1844. His famous message was "what hath God wrought."
  • Telephone

    Telephone
    Alexander Graham Bell born March 3 in Edinburgh, Scotland invented the first practical telephone. He was awarded the first US patent for the telephone.
  • Typewriter

    Typewriter
    The first typewriter was invented by Christopher Sholes in 1893. The typewriter was originally invented to help the the blind write. After inventing the typewriter he abandoned the product selling the patent ending up with E. Remington and sons who made it a commercial success.
  • Harvard Mark I computer

    Harvard Mark I computer
    Howard Aiken was an American pioneer in computing. He was the original conceptual designer and architect for the IBM's Harvard Mark I computer originally called the ASCC (Automatic Sequence Controlled Calculator).
  • Hubert Cecil Booth

    Hubert Cecil Booth
    Hubert Cecil Booth was born July 4, 1871 in Gloucester,England. He was a British engineer who invented the first powered vacuum cleaner. All of the modern vacuums are based on Booth's principle.
  • Herman Hollerith

    Herman Hollerith
    Herman Hollerith was an American statistician and founder of the company now known as IBM (International Business Machines). Hollerith also developed a mechanical tabulator based on punched cards to rapidly tabulate statistics from many pieces of data.
  • Analytical Engine

    Analytical Engine
    The Analytical engine is a machine invented by Charles Babbage that is considered to be the concept for the first general mechanical computer. The Computer featured an ALU (Arithmetic Logic Unit) and permitted basic programmatic flow control. It was programmed using punch cards. It also had integrated memory. Historians consider it to be the first design concept of general purpose computer.
  • Radio

    Radio
    The first commercial radio broadcast began on November 2, 1920 in Pittsburgh, PA.
  • Philo Taylor Farnsworth

    Philo Taylor Farnsworth
    Philo Taylor Farnsworth was born in Beaver City, Utah. Farnsworth was the first person to successfuly transmit a TV signal on September 7, 1927.
  • Z1 computer

    Z1 computer
    The Z1 computer began development in 1936 by German's Konrad zuse in his parents living room ans is considered the first electromechanical binary programmable computer . The Z1 had 64 word memory and a clock speed of 1 Hz. Both programming and output were generated using punch tape with specific reader.
  • Transistor

    Transistor
    The Transistor was invented John Bardeen,Walter Barttain and William Shockley at the Bell Laboraties on December 23 ,1947. The Transistor ( transfer resistance) is made up of semiconductors. It is a component that is used to control the amount of current or voltage or used of amplification or switching of an electronic signal.
  • Dataphone

    Dataphone
    In 1960 At&t introduced the dataphone. The datphone is an earlier version of the modem which is a device that connects a computer or router to a broadband network.
  • Compact Disc

    Compact Disc
    The Compact Disc or CD is a flat round optical storage medium invented by James Russell. The first CD was created a Phillips factory in Germany.
  • Microsoft

    Microsoft
    Bill Gates and Paul Allen established Microsoft April 4, 1975. Microsoft is one of the largest and most successful companies in the world. Microsoft is the developer and distributor of Microsoft windows, Microsoft office, Direct X, Xbox and numerous other programs, games and services
  • Apple

    Apple was founder by Steve Wozniak and Steve Jobs. Apple was incorporated on January 4, 1977.
  • Pac-Man

    Pac-Man
    In 1980 Namco released the arcade game,e Pac-man in Japan on May 22, 1980 and later in the United States in October 1980 . Pac-man is considered one of the highest revenue generating video games of all time bring in over $2.5 billion as of the 1990's
  • Lisa Computer

    Lisa Computer
    In 1983 Apple released the Lisa computer on January 19,1983. The first commercial computer with a GUI (Graphical User Interface).
  • IPod

    IPod
    The IPod is a portable MP3 and media player developed by Apple also available for the Mac and PC that began being sold on 0ctober 23, 2001. The could hold up to 10,00 songs.