IT/ Blockchain Questions. Answer in 75 mins

  Answer 100+ words each question. use my docs & refer google and article. need plagiarism free work. good work in 75 mins.

1. What is self-service analytics? What is it appropriate to use such a technique?

2. What is e-government? Provide attributes for this type of commerce model. 

3. Explain the DeLone and McLean Information System Success Framework? 

4. What are the pros/cons of proprietary vs. COTS based software?