十六用英语怎么读
How to Read in Hexadecimal
Hexadecimal is a number system that uses 16 digits to represent numerical values. This system is often used in computer programming and is useful in working with digital information. However, it can be a bit tricky to read. Here’s how to read in hexadecimal:
Understanding Hexadecimal Digits
Hexadecimal uses 16 digits to represent numerical values. The digits are 0-9 and A-F. A represents the value 10, B is 11, C is 12, D is 13, E is 14, and F is 15. It’s important to remember these values as you’ll be encountering them frequently when working with hexadecimal.
Reading Hexadecimal Numbers
Hexadecimal numbers are often represented with a “0x” in front of them. For example, the hexadecimal number for 16 is 0x10. To read this, you would say “zero-ex ten”. Similarly, the hexadecimal number for 255 is 0xFF which is read as “zero-ex eff”. When encountering a sequence of hexadecimal digits, you simply read them in groups of two.
Converting Hexadecimal to Decimal
While hexadecimal is useful in computer programming, it’s often necessary to convert it to decimal when working with human-readable data. To convert a hexadecimal number to decimal, you’ll need to multiply each digit by the corresponding power of 16 and add up the results. For example, the hexadecimal number 0x4F5 can be converted to decimal in the following way: 5 x 16^0 15 x 16^1 4 x 16^2 = 1285.
Converting Decimal to Hexadecimal
If you need to convert a decimal number to hexadecimal, you’ll need to divide the decimal number by 16 and convert the remainder to a hexadecimal digit. Continue dividing by 16 until the quotient is 0. Then, write the hexadecimal digits in reverse order to get your answer. For example, to convert the number 456 to hexadecimal: 456 / 16 = 28 remainder 8. The remainder 8 corresponds to the hexadecimal digit 8. 28 / 16 = 1 remainder 12 which corresponds to the hex digit C. Finally, 1 / 16 = 0 remainder 1 which is represented by the hex digit 1. So, the final hexadecimal number is 0x1C8.
Conclusion
Reading hexadecimal may seem a bit challenging at first, but with practice, it will become easier. By understanding how to read and convert between hexadecimal and decimal, you’ll be well-equipped to work with this system in the digital world!
