The invention of the modern computer keyboard began with the invention of the typewriter. Christopher Latham Sholes patented the typewriter that we commonly use today in 1868. Early computer keyboards were first adapted from the punch card and teletype technologies. In 1946, the Eniac computer used a punched card reader as its input and output device. In 1948, the Binac computer used an electromechanically controlled typewriter to both input data directly onto magnetic tape and printout results With VDT technology and electric keyboards, the keyboard's keys could now send electronic impulses directly to the computer and save time. By the late '70s and early '80s, all computers used electronic keyboards and VDTs. Nevertheless, the layout of the computer keyboard still owes its origin to the inventor of the first typewriter, Christopher Latham Sholes who also invented the QWERTY layout. However, the computer keyboard does have a few extra function keys which have been added by developers over this time to improve tools that can be accessed directly from the keyboard.
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