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
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
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
BinaryBinary is a kind of system widely used in computing. Binary data is a number represented by 0 and 12 digits. Its base is 2, the rounding rule is "every two in one", the borrow rule is "borrowing one as two", which was found by the 18th century
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
Octal Fractions
Time Limit: 1000MS
Memory Limit: 10000K
Total Submissions: 6959
Accepted: 3825
DescriptionFractions in octal (base 8) notation can is expressed exactly in decimal
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
for reference by People's
how to express 8 and 16 in C language
The three types of input supported by the C language itself are:1. Decimal. Like 20,457;2.16 binary, beginning with 0x. such as 0x7a;3. Eight binary, beginning with 0. Like 05,0237.
1. Binary number, octal number, hexadecimal decimal number
There is a formula: binary number, octal number, hexadecimal number of the numbers of the number of each of the respective cardinality of the (N-1) of the second party, and the sum is the
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