Use the author's workshop which often includes video lessons and interactive tests that explain the concepts better than a list of answers.
If you are looking for help with Bosova’s curriculum, consider these more "helpful" ways to use your time:
If you are in 9th or 10th grade, focus on the OGE/EGE preparation materials provided by the author to ensure you are actually ready for the final tests. Босова Л. Л. - УМК «Информатика».
Solve the problems in the Bosova Workbook first, then use the GDZ only to see where you made a mistake.