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  A calculating tool that was used centuries ago.
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  A mechanical computer.
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  Piece of stiff paper that contained either commands for controlling automated machinery or data for data processing applications. Made in the 19th century
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  An electronic digital computer with a processing unit.
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  An electronic nemerical computer. The first electronic general purpose computer.
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  An electronic digital storing program.
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  A multitasking, multiuser computer operating system.
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  A personel computer.
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  A supercompter
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  A microcomputer based on the Intel 8080 CPU
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  A technology company that designs,develops and sells electronics,computer software and online services
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  An interactive computer application program for organization of data.
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  Personal computers sold by Apple.
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  A graphical operating system developed, marketed and sold by Microsoft.
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  There are many programming languages. For example, Ada,Algol,Basic and many more.