Yes these are the Integrated Reasoning section questions. The questions have multiple parts (not as simple as ABCDE), some have drop downs, and some have tables to let you sort. THe only way to present these questions is through a computer - a paper version of a book can't let you choose from a drop down menu. The back part of the book will provide you a code and you can then log into a website and go through the OG IR questions there. It's valid for a few months (3-6 months).
If you're stuck or need more practice with IR, try some of the
sample IR questions here.