Melina History of Computers

By mrsilva

  • 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).

  • 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.