Question

Conversion of an octal number ${20}_8$ to its binary number is?

• A. ${10000}_2$
• B. ${10111}_2$
• C. ${10110}_2$
• D. ${11110}_2$
• E. None of the above

Answer 1

The correct option is A ${10000}_2$

Where Conversion of an octal number 208 to its binary number is 100002

The octal numeral system, or oct for short, is the base-8 number system, and uses the digits 0 to 7. Octal numerals can be made from binary numerals by grouping consecutive binary digits into groups of three In mathematics and digital electronics, a binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically 0 (zero) and 1 (one). The base-2 numeral system is a positional notation with a radix of 2. Each digit is referred to as a bit.