Computer program
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A computer program is a sequence or set of instructions in a programming language for a computer to execute. It is one component of software, which also includes documentation and other intangible com
Lovelace's description from Note G
Glenn A. Beck changing a tube in ENIAC
Switches for manual input on a Data General Nova 3, manufactured in the mid-1970s
A VLSI integrated-circuit die
Analytical engine
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The analytical engine was a proposed digital mechanical general-purpose computer designed by the English mathematician and computer pioneer Charles Babbage. It was first described in 1837 as the succe
Portion of the calculating machine with a printing mechanism of the analytical engine, as displayed at the Science Museum (London)
Two types of punched cards used to program the machine. Foreground: 'operational cards', for inputting instructions; background: 'variable cards', for inputting data
Henry Babbage's analytical engine mill, built in 1910, in the Science Museum (London)
Plan diagram of the analytical engine from 1840