| Abacus | An ancient calculating device consisting of beads strung on wires or rods that are set in a frame.
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| Ada | A high-level programming language developed in the late 1970s and named after Augusta Ada Byron, Countess of Lovelace and daughter of Lord Byron.
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| Artificial intelligence (AI) | Use of the computer to simulate the thinking of human beings.
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| Boolean logic | Devised by George Boole, a system of algebra that used the operations of informal logic.
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| Debug | Find the errors in the computer's hardware or software.
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| Internet | A system of worldwide networks that enable the user to send electronic mail, conduct research, chat, and participate in newsgroups.
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| Microprocessor | A chip that contains the central processing unit of the computer.
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| Transistor | An electronic gate that bridges the gap between two wires and lets the current flow.
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