Multiple choice general knowledge science & technology

The situation when in a linked list START=NULL is

  1. underflow

  2. saturated

  3. overflow

  4. housefull
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A Correct answer
Explanation

When START=NULL in a linked list, it means the list is empty. Attempting to remove from an empty list causes underflow - trying to remove something that doesn't exist. Overflow occurs when there's no space to add new elements.

AI explanation

In a singly linked list, START (or HEAD) points to the first node. When START = NULL, the list is empty, so any attempt to delete or access a node fails — this condition is called underflow, the list-equivalent of trying to pop from an empty stack. Overflow, by contrast, describes running out of memory when trying to insert a new node, which is the opposite situation.

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