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Q Young Computer History

By Xx_QBOY_xX

  • Punch Cards

    Punch Cards
    In the late 1890's Herman Hollerith used punch cards for storage of data. Punch Cards are paper cards containing several punched holes that were punched by hand.

  • Transistor

    Transistor
    A transistor is a used to amplify or switch electronic signals and electrical power.

  • RAM and ROM

    RAM and ROM
    RAM is Random Access Memory, when you power off your computer the data stored in RAM is deleted. ROM is a type of non-volatile memory. Data in ROM is permanently written and is not erased when you power of your computer.