In what form are all computer programs and data stored?

All computer programs and data are stored in binary form on the computer's external memory. Binary in mathematics and digital circuits refers to a base-2 notation system that is usually represented by two different symbols, 0 and 1.

All computer programs and data are stored in binary form on the computer's external memory.

Binary (binary) refers to a numbering system based on 2 as the base in mathematics and digital circuits. Using 2 as the base means that the system is binary. In this system, it is usually represented by two different symbols: 0 (representing zero) and 1 (representing one). In digital electronic circuits, the implementation of logic gates directly uses binary, so modern computers and computer-dependent devices all use binary. Each number is called a bit (Bit, short for Binary digit).

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