Question

Which one of the following is a invalid Number System

(129) base 10
(1101) base 2
(129) base 8
(129) base 16

Answer 1

Answer:

From the given options, the correct option is (1101) base 2.

Explanation:

• A number system is a method of writing numbers. It is the mathematical notation used to consistently represent numbers from a given set using digits or other symbols.
• It represents the arithmetic and algebraic structure of the figures and provides a unique representation of every number.
• In an invalid number system, your application may occasionally assign a non-numeric value to a numeric field.
• In BCD, a number with 'n' decimal digits will require 4k bits. For example, decimal 396 is represented in BCD with 12 bits as 0011 1001 0110, with each group of four bits representing one decimal digit. Because the decimal digits 1010, 1011, 1100, 1101, 1110, and 1111 do not exist, these are invalid.

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