What is iOS, what is its history, describe the changes in different versions. What is Android, what is its history, describe the changes in different updates.

In 8 pages please research the below material:

• What is iOS, what is its history, describe the changes in different versions.
• What is Android, what is its history, describe the changes in different updates.
• What do iOS and Android have in common? How are they different?
• What is SE bound?
• What is a secure start-up?
• What is FBE and what OS versions did it begin in iOS and Android?
• What is the main database type in today’s cell phones and why is it the main one used?
• Describe the SQLite database. How does it work? Describe what happens when things are deleted from the database.
• What is a vacuum in a database and how does it affect data?
• What is the WAL, write-ahead long, and how does it affect databases and analysis?