Number Systems & Digital MCQs with Answers

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The base 5 number system uses exactly 5 unique digits: 0, 1, 2, 3, and 4.

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BCD (Binary-Coded Decimal) code uses 4 bits to represent each decimal digit.

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ASCII (American Standard Code for Information Interchange) is the universally recognized code used in computing for text representation.

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The smallest unit of data in a computer system is the bit, which represents a single binary digit (0 or 1).

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The binary equivalent of the decimal number 13 is 1101.

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A digital computer primarily uses the binary system to represent and process data.

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The ASCII binary code for the uppercase letter 'A' is 01000001, which equals decimal 65.

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101.20101 is not a valid binary number because it contains the digit '2', which is not allowed in the binary number system.

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Floating point numbers stored in two 16-bit words (32 bits total) provide approximately 6 digits of decimal precision.

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A byte is composed of an array of bits, typically 8 bits grouped together as the fundamental unit of data in computer architecture.