| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| operating system books pdf | 1.84 | 0.3 | 9545 | 26 | 26 |
| operating | 1.01 | 0.6 | 6762 | 91 | 9 |
| system | 0.65 | 0.2 | 6415 | 42 | 6 |
| books | 1.63 | 0.7 | 6196 | 85 | 5 |
| 0.02 | 0.8 | 96 | 48 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| operating system books pdf | 1.8 | 0.2 | 3104 | 50 |
