Which of the following best describes a binary numeral system?

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Multiple Choice

Which of the following best describes a binary numeral system?

Explanation:
Binary uses base-2 and only two digits, 0 and 1. In this system each position represents a power of two, so numbers are built from sequences of 0s and 1s, like 1011₂, which equals 11 in decimal (1×8 + 0×4 + 1×2 + 1×1). The key idea is that there are just two symbols, unlike decimal which has ten symbols (0–9), hexadecimal which uses sixteen (0–9 and A–F), or octal which uses eight (0–7). That’s why the statement describing two digits is the best fit.

Binary uses base-2 and only two digits, 0 and 1. In this system each position represents a power of two, so numbers are built from sequences of 0s and 1s, like 1011₂, which equals 11 in decimal (1×8 + 0×4 + 1×2 + 1×1). The key idea is that there are just two symbols, unlike decimal which has ten symbols (0–9), hexadecimal which uses sixteen (0–9 and A–F), or octal which uses eight (0–7). That’s why the statement describing two digits is the best fit.

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