November Mobile Quiz

10 Questions

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November Mobile Quiz

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Questions and Answers
  • 1. 
    In iOS, a local variable is allocated on...?
    • A. 

      Stack

    • B. 

      Heap

  • 2. 
    SVN, choose the correct answer:
    • A. 

      BASE represents the latest revision in repository, and HEAD represents the revision you checked out

    • B. 

      BASE represents the revision YOU have before making an update/commit, and HEAD represents the latest (“youngest”) revision in repository

    • C. 

      BASE and HEAD are always the same thing

  • 3. 
    In Android, on what thread does a service run by default?
    • A. 

      Main thread

    • B. 

      Secondary thread

  • 4. 
    In iOS, which of the following is a type of automatic data migration?
    • A. 

      Soft migration

    • B. 

      Light migration

    • C. 

      Map migration

    • D. 

      Lightweight migration

  • 5. 
    In Android, when you want to force a view to draw from UI thread, what method should you use?
    • A. 

      PostInvalidate()

    • B. 

      Draw()

    • C. 

      PostDraw()

    • D. 

      Invalidate()

  • 6. 
    In iOS, which is the most common type of lock?
    • A. 

      Read-write lock

    • B. 

      Spin lock

    • C. 

      Mutex

  • 7. 
    In Android, where is the origin of x,y coordinates? (0,0)
    • A. 

      Top-right

    • B. 

      Top-left

    • C. 

      Bottom-left

    • D. 

      Bottom-right

  • 8. 
    In Swift, can you append a String ("test") or a Character ("!"), to an existing Character variable?
    • A. 

      Yes, you can append a String or a Character

    • B. 

      Yes, you can, but only a String

    • C. 

      Yes, you can, but only a Character

    • D. 

      No, you cannot append a String or a Character

  • 9. 
    In Android, when you run your project from the IDE, in debug mode, is your app signed?
    • A. 

      No. It is never signed in debug mode.

    • B. 

      Yes. It is signed with a debug certificate which never expires.

    • C. 

      Yes. It is signed with a debug certificate which expires in 365 days.

  • 10. 
    In iOS, if a method needs other non-block arguments, the block should come...?
    • A. 

      Last

    • B. 

      First

    • C. 

      The position doesn't matter