Question

1's complement of 1011001 is​

Answer 1

Answer:

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Explanation:

The complement is used for representing the negative decimal number in binary form. ... For example, 1's complement of binary number 1011001 is 0100110. We can find the 2's complement of the binary number by changing each bit(0 to 1 and 1 to 0) and adding 1 to the least significant bit.

Answer 2

Answer:

The 1's complement of 1011001 is 0100110.

Explanation:

• In digital electronics the most used representation technique is the binary number system.
• The negative decimal number is used to represent the complement in the binary form.

The common types of complements are:

• 1s complement
• 2s complement

There are many different types but these two are commonly used.

Example:

• In 1 s complement 0 is replaced by 1 and 1 is replaced by 0 (i.e) the 1s complement of 1011001 is 0100110.
• In 2s complement also 0 is replaced by 1 and 1 is replaced by 0 and also 1 is added to the least significant bit. (i.e) the 2 s complement of 1011001 is (0100110 + 1) = 101100111.

Uses of 1s complement:

• Both positive and negative numbers can be represented by binary number representation.
• Signed binary numbers can be represented by 1s complement.
• Various arithmetic operations like addition and subtraction can be performed by using 1s complement.

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