Answer :
Final answer:
When using a LIFO stack and FIFO queue, the sequence of actions described would result in 'c' being the item popped from the stack last.
Explanation:
In data structure operations, the stack follows a Last-In, First-Out (LIFO) approach, whereas a queue follows a First-In, First-Out (FIFO) methodology.
Firstly, the stack receives the items a, b, c, d, and e in this order. If four items are popped from the stack in LIFO sequence, e, d, c and b would be removed, leaving 'a' still in the stack. These popped items e, d, c and b are inserted into the queue.
Next, if three elements are deleted from the queue according to its FIFO sequence, elements e, d and c would be removed, leaving 'b' in the queue. These deleted elements e, d and c are then pushed back into the stack on top of the remaining 'a'.
Lastly, if an item is then popped from the stack, it will be 'c', the last item added to the stack.
Learn more about Stack and Queue Operations here:
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