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Why insert operation in stack called as push operation?
Consider an array used as a stack. Align this array vertically. When an element is inserted into the stack, it is pushed all the way down despite the space availability at the top. Hence it is called push operation. Here's an illustration:Stack initially:|_||_||_||5|Stack after the insertion of 6:|_||_||6| - element pushed down as much as possible|5|
What is implicit stack?
A stack created by the user or a programmer is an implicit stack
Can stack be as a pointer?
A stack is a data structure in which last item inserted is taken out first . That's why they are known as LIFO (last in first out). Inserting an item in stack is termed as push and taking an item out from stack I s termed as pop. Stack pointer is the pointer that points to the top of the stack or that points the item at the top of the stack and help in adding or deleting the item from the top of stack.
How is the stack and stack pointer work?
A stack is a data structure in which last item inserted is taken out first . That's why they are known as LIFO (last in first out). Inserting an item in stack is termed as push and taking an item out from stack I s termed as pop. Stack pointer is the pointer that points to the top of the stack or that points the item at the top of the stack and help in adding or deleting the item from the top of stack.
In what order the elements of a pushdown stack are accessed?
Stack
