Adding an element to the stack means:

UP Police Computer Operator Grade A · 2017 · Computer Operator Grade A · 21 Dec 2018 Shift 2 · Computer Science

1. A.

   Removing elements from the stack

2. B.

   Placing an element at the front end

3. C.

   Placing an element at the rear end

4. D.

   Placing an element at the top

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