A programming language is a formal language that specifies a set of instructions that can be used to produce various kinds of output. Programming languages generally consist of instructions for a computer. Programming languages can be used to create programs that implement specific algorithms.
There are programmable machines that use a limited set of specific instructions, rather than the general programming languages of modern computers. Early ones preceded the invention of the digital computer, the first probably being the automatic flute player described in the 9th century by the brothers Musa in Baghdad, during the Islamic Golden Age. From the early 1800s, programs were used to direct the behavior of machines such as Jacquard looms, music boxes and player pianos. However, their programs (such as a player piano's scrolls) could not produce different behavior in response to some input or condition.
There are programmable machines that use a limited set of specific instructions, rather than the general programming languages of modern computers. Early ones preceded the invention of the digital computer, the first probably being the automatic flute player described in the 9th century by the brothers Musa in Baghdad, during the Islamic Golden Age. From the early 1800s, programs were used to direct the behavior of machines such as Jacquard looms, music boxes and player pianos. However, their programs (such as a player piano's scrolls) could not produce different behavior in response to some input or condition.
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