Chapter 6 binary, octal, and hexadecimal
6.1 why do we need octal and hexadecimal?
6.2 decimal number conversion to decimal number
6.2.1 convert binary to decimal
6.2.2 convert octal to decimal
6.2.3 expression of the octal number
6.2.4 use of Octal

6.1 why do we need octal and hexadecimal?
In programming, we usually use 10 hexadecimal notation ...... C/C ++ is a high-level language.
For example:
Int A = 100, B = 99;
However, because the representation of data in a computer exists in binary

6.1
Why do we need octal and hexadecimal?
In programming, we usually use 10 hexadecimal notation ...... C/C ++ is a high-level language.
For example:
Int A = 100, B = 99;
However, because the representation of data in a computer exists in

In programming, we usually use 10 hexadecimal notation ...... C/C ++ is a high-level language.
For example:
Int A = 100, B = 99;
However, because the representation of data in a computer exists in binary format, sometimes binary can be used to solve

5.8. hexadecimal. 2
5.8.1 hexadecimal
DescriptionIn hexadecimal notation, we will first ask: there are only 10 Arabic numerals in total: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9, how can we express the concept of "every 16 to 1? The method is to use English

Ii. Convert hexadecimal to decimalConvert binary to decimal: 0th bits in binary are 0 to the power of 2, and 1st bits are 1 to the power of 2 ......Therefore, there is a binary number: 0110 0100, which is converted to a 10-digit system:The following

Explanation: mutual conversion of binary, octal, decimal, and hexadecimal values: in addition to the remainder of 2, the integers are arranged in reverse order, that is, each time an integer is divided by 2, and the remainder is the number on the

1) Number SystemBinary is used in computers, because binary is easy to operate, easy to implement, and reliable, it provides a favorable way for logical design and saves devices. In order to facilitate the description, it is also commonly used for

(1) the basic concept of the carry-in counting system sorts numeric symbols into digits in order, and counts them in a way from low to high, it is called the carry counting system. For example, we usually use the decimal system, which is short for

One, the conversion between decimal and binary (1) Decimal conversion to binary, divided into integers and fractional parts ① whole number of parts Methods: In addition to the 2 method, that is, each time the integer part divided by 2, the remainder

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