PDF Notes: module-2-2-control-structures-loops-and-iterations-_FfoMYtxcompressed

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    What are loops used for in programming?

    They automate repetitive tasks and manage data flows.

    What is the purpose of increment (++) and decrement (--) operators?

    They simplify variable updates in loops.

    When is a for loop ideal to use?

    When the number of iterations is known.

    How does a while loop differ from a do-while loop?

    A while loop may not execute if the condition is false initially.

    What guarantees at least one execution in a loop?

    The do-while loop structure.

    What is a key benefit of using nested loops?

    They enable multi-dimensional processing.

    How can loops assist in input validation?

    By repeatedly prompting users until valid input is received.

    What factors influence the choice of loop structure?

    The known number of iterations and the condition for repetition.

    What happens if you use a prefix increment operator?

    The variable is updated before its value is used in an expression.

    What is the effect of a postfix decrement operator?

    The current value is used first, then the variable is decreased.