Multiple choice

In link list, a node contains at least

  1. node address field

  2. data field

  3. next address field

  4. none of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Every linked list node must contain a 'next' address field (pointer) that points to the subsequent node or null if it's the last node. Without this field, nodes couldn't be linked together to form a list. Nodes typically also have a data field, but the next pointer is the essential requirement.

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