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What is the unsigned binary integer 01001001 converted into a decimal integer?

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2020-03-09 14:46:279928browse

What is the unsigned binary integer 01001001 converted into a decimal integer?

The unsigned binary integer 01001001 converted into a decimal integer is 73.

The rule of converting binary to decimal is to expand the binary number in bit-weighted form into a polynomial sum and find the final sum.

Introduction to computer number system:

Number system: counting method, which refers to a method of expressing numerical values ​​using a set of fixed symbols and unified rules

Number: exponent The position of a character symbol in a number

Base number: refers to the number of digital symbols that can be used in a certain carry counting system

Bit weight: refers to the number of digit symbols that can be used in a certain carry counting system In this carry counting system, the size represented by the digit is the size of the value represented by "1" in a certain digit.

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