HARD
HSSC Clerk
IMPORTANT
Earn 100

Which of the following statements about Stacks is incorrect?
(a)New nodes can only be added to the top of the stack.
(b)Stacks can be implemented using linked lists.
(c)Stacks are first-in, first-out data structures.
(d)The last node (at the bottom) of a stack has a null (0) link.
(e)Stacks are very useful.

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Important Questions on Data Structures
HARD
HSSC Clerk
IMPORTANT
A data structure where elements can be added or removed at either end but not in the middle is called_____.
