Number Systems & Digital MCQs with Answers

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Standard ASCII code uses 7 bits, allowing for 128 unique characters.

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A 3x8 decoder has 8 outputs, where 3 input lines are decoded to activate exactly one of the 8 output lines at a time.

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There are 7 basic logic gates in digital electronics: AND, OR, NOT, NAND, NOR, XOR, and XNOR.

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Alphanumeric data includes both letters and digits, so only numbers is NOT classified as alphanumeric data.

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A half-byte (4 bits) is commonly referred to as a nibble.

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1 bit is equal to 0.125 bytes, since 1 byte consists of 8 bits.

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The number system that uses digits from 0 to 7 is the Octal Number System.

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The Karnaugh map (K-map) method was introduced in 1953 by Maurice Karnaugh.

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The fundamental unit of information in a digital system is a bit, which represents a binary value of 0 or 1.

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A digital clock is an example of a digital device because it processes and displays information in discrete numerical digits rather than continuous physical quantities.