Multiple choice

The stacks cannot be used to

  1. evaluate an arithmetic expression in postfix form

  2. implement recursion

  3. convert a given arithmetic expression in infix form to its equivalent postfix form

  4. allocate resources (like CPU) by the operating system
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Stacks are LIFO structures used for expression evaluation, recursion, and syntax parsing. CPU scheduling typically uses queues (like round-robin) or priority queues, not stacks.

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