Книга: Advanced PIC Microcontroller Projects in C
1.18 Subtracting Binary Numbers
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1.18 Subtracting Binary Numbers
To subtract one binary number from another, convert the number to be subtracted into negative and then add the two numbers.
Example 1.26
Subtract binary number 0010 from 0110.
Solution 1.26
First, convert the number to be subtracted into negative:
0010 number to be subtracted
1101 complement
1 add 1
––––
1110
Now add the two numbers:
0110
+ 1110
––––
0100
Since we are using only 4 bits, we cannot show the carry bit.
Оглавление книги
Оглавление статьи/книги
- 1.1 Introduction
- 1.2 Microcontroller Systems
- 1.3 Microcontroller Features
- 1.4 Microcontroller Architectures
- 1.5 Number Systems
- 1.6 Converting Binary Numbers into Decimal
- 1.7 Converting Decimal Numbers into Binary
- 1.8 Converting Binary Numbers into Hexadecimal
- 1.9 Converting Hexadecimal Numbers into Binary
- 1.10 Converting Hexadecimal Numbers into Decimal
- 1.11 Converting Decimal Numbers into Hexadecimal
- 1.12 Converting Octal Numbers into Decimal
- 1.13 Converting Decimal Numbers into Octal
- 1.14 Converting Octal Numbers into Binary
- 1.15 Converting Binary Numbers into Octal
- 1.16 Negative Numbers
- 1.17 Adding Binary Numbers
- 1.18 Subtracting Binary Numbers
- 1.19 Multiplication of Binary Numbers
- 1.20 Division of Binary Numbers
- 1.21 Floating Point Numbers
- 1.22 Converting a Floating Point Number into Decimal
- 1.23 BCD Numbers
- 1.24 Summary
- 1.25 Exercises
Похожие страницы
- 1.6 Converting Binary Numbers into Decimal
- 1.7 Converting Decimal Numbers into Binary
- 1.9 Converting Hexadecimal Numbers into Binary
- 1.10 Converting Hexadecimal Numbers into Decimal
- 1.11 Converting Decimal Numbers into Hexadecimal
- 1.12 Converting Octal Numbers into Decimal
- 1.13 Converting Decimal Numbers into Octal
- 1.14 Converting Octal Numbers into Binary
- 1.15 Converting Binary Numbers into Octal
- 1.16 Negative Numbers
- 1.17 Adding Binary Numbers
- 1.19 Multiplication of Binary Numbers