When does the development team show their work to the product owner?
All of these would good moments to update the PO with the work done.
The developers should have all the skills needed to:
Developers are cross-functional, this means that they have all the skills necessary to create value each sprint.
Upon what type of process control is scrum based?
If you are not sure, please review the Scrum theory section in the scrum guide
The goal of the daily scrum is inspecting the progress toward the sprint goal and producing an actionable plan for the next day of work
If you are not sure, review the daily scrum section in the scrum guide.
What is technical debt?
Technical debt is the result of incomplete work going into the increment and poor design and architectural choices.
