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
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
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
One, the conversion between decimal and binary(1) Decimal conversion to binary, divided into integers and fractional parts① whole number of partsMethods: In addition to the 2 method, that is, each time the integer part divided by 2, the remainder is
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
1. PrefaceEvery time the most boring thing, is not want to get up, do not want to eat, founder is not want to move, lying in bed, looking at the mobile phone, bored brush QQ space, although now very few people play QQ space, but this habit has been
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