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The purpose of the OSI Reference Model is to guide technology vendors and developers so that the digital media products and software they create can interact with each other and to promote a clear framework. explicitly describe the functions of a network or telecommunications system to be used.
Answer:
The correct answer for the given question is option(D)
Explanation:
The doubly linked list or chain contains both the reference next node and the previous node .
following are the structure of doubly linked chain
struct doubly1
{
struct doubly1 * next;
struct doubly1 *prev;
int num;
};
Here the node contain two field "next and prev". The next pointer points the next address of the structure doubly1 and prev pointer points the previous address of the structure doubly1 and num is data field .
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