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
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
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
Binary, octal, decimal, hexadecimal conversion, binary hexadecimal1. Preface
The most boring thing during each holiday is that you don't want to get up or eat. Founder just doesn't want to move, lie in bed, watch the mobile phone, and brush QQ space
C/C ++
Expression of the octal number in 1Expression of the. octal number C/C ++How does one express an octal number in a language? If the number is876,We can conclude that it is not an octal number, because it is impossible to generate7The
OverviewIn fact, the X-decimal algorithm is similar, but if it is in the form of characters, they are a little different. The use of pointers and arrays is different. Here is a demonstration of the octal format of an array of character types into
Number of python3 (in actual application -- hexadecimal, octal, and binary notation)----------
Python integers can be written in hexadecimal, octal, and binary notation to supplement general decimal notation. Example:
>>> 0o1, 0o20, 0o377 # octal (2
PHP function Chapter Details decimal, binary, octal, and 16 conversion Functions description font: [Increase decrease] type: Reprint
Chinese character coding Research series The first, the PHP function of the decimal, binary, octal and
Basic practice hex to octal time limit: 1.0s memory limit: 512.0MBThe problem describes the given n hexadecimal positive integers, outputting their corresponding octal numbers. Enter the first behavior of the input format as a positive integer n
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