Assignments typically involve programming tasks or conceptual questions that test understanding of the lecture material. Solutions or guides to solutions can be very helpful.
Which domain are you most excited to dive into? If you have a specific career goal in mind, I can help point you to the most relevant course. cs193 full
If you'd like, I can give you a list of the for iOS development to use along with CS193p? CS193p - Developing Apps for iOS - Stanford University cs193 full