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  • Question
  • What is Automatic Reference Counting (ARC) ?


  • Correct Answer
  • ARC is a compiler-level feature that simplifies the process of managing the lifetimes of Objective-C objects Instead of you having to remember when to retain or release an object, ARC evaluates the lifetime requirements of your objects and automatically inserts the appropriate method calls at compile time 


  • More questions

    • 1. What is CRR rate?
    • Discuss
    • 2. Which among the following are not access Specifiers in C++?

    • Options
    • A. Public
    • B. Protected
    • C. Default
    • D. Private
    • Discuss
    • 3. In which year, the first bank of India "Bank of Hindustan" was established ?

    • Options
    • A. 1677
    • B. 1770
    • C. 1796
    • D. 1831
    • Discuss
    • 4. What could be the bucket size if collision and overlapping occur at same time?

    • Options
    • A. 2
    • B. 0
    • C. 1
    • D. 4
    • Discuss
    • 5. Default constructor accepts how many arguments?

    • Options
    • A. one
    • B. two
    • C. three
    • D. None
    • Discuss
    • 6. What are the mandatory part to present in function pointers?

    • Options
    • A. &
    • B. retrun values
    • C. data types
    • D. none of these
    • Discuss
    • 7. Which of the following can derived class inherit?

    • Options
    • A. members
    • B. functions
    • C. both a & b
    • D. None of the above
    • Discuss
    • 8. What kind of object is modifying sequence algorithm?

    • Options
    • A. Function template
    • B. Class template
    • C. Method
    • D. None of these
    • Discuss
    • 9. Fixed Foreign Exchange rate can be changed by

    • Options
    • A. SEBI
    • B. Ministry of Finance
    • C. RBI
    • D. All of the above
    • Discuss
    • 10. The shortcut key to quit from tally is

    • Options
    • A. CTRL + Q
    • B. CTRL + ESC
    • C. CTRL + T
    • D. CTRL + P
    • Discuss


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