What does the head of a linked list contain?Group of answer choicesA pointer/reference to the first nodeThe data and reference of the first nodeA pointer/reference to a temporary nodeThe data/value of the first node

What does the head of a linked list contain?

In a doubly linked list, what’s the “head” of a linked list?It’s the node with the pointer to the previous node equals to NULLIt’s the node with the pointer to the next node equals to NULLI don't know

In a singly linked list, the last node references to : a) Head b) NULL c) Next node d) None of the above

n a singly linked list, each node stores:Group of answer choicesData onlyData and pointers to the next and previous nodesData and a pointer to the next nodePointers to the next and previous nodes only

A circular linked list is characterized by:Group of answer choicesEach node pointing to itselfIt is a singly linked listEach node has two pointers: next and previousThe last node pointing to the first node