how to answer the following question screen shot show figure 6.3 The figure 6.3 represents storage of a linked list in an array. The stored list is: A. B – A – D – C. B. 1 – 6 – 4 – -1. C. A – B – C – D. D. A1 – B6 – C4 – D(-1).   The order in which we add information to a list has no effect on when we can retrieve it. True or False

Database System Concepts
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Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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how to answer the following question screen shot show figure 6.3

The figure 6.3 represents storage of a linked list in an array. The stored list is:

A. B – A – D – C.
B. 1 – 6 – 4 – -1.
C. A – B – C – D.
D. A1 – B6 – C4 – D(-1).
 

The order in which we add information to a list has no effect on when we can retrieve it.

True or False
### Linked Lists in Dynamic and Static Storage

#### Diagram (a): A Linked List in Dynamic Storage

- The diagram shows a simple linked list structure in dynamic storage.
- It consists of four nodes containing the elements A, B, C, and D.
- Each node has a data part (denoted by A, B, C, D) and a next pointer (denoted by a blue box and arrow) that points to the subsequent node.
- The sequence is: A -> B -> C -> D.
- The list starts with a pointer named "list" that points to the first node, A.
- The last node, D, contains a pointer to null, indicating the end of the list.

#### Diagram (b): A Linked List in Static Storage

- This diagram represents the linked list in static storage using an array.
- An array named "nodes" is used, with elements at indices from [0] to [6].
- Each element in the array consists of a data value and a next index:
  - Index [0] is empty.
  - Index [1]: Node with value B, next index is 6.
  - Index [2]: Node with value A, next index is 1.
  - Index [3] is empty.
  - Index [4]: Node with value D, next index is -1 (indicating the end of the list).
  - Index [5] is empty.
  - Index [6]: Node with value C, next index is 4.
- The list starts at "first:2", which points to index [2] (Node A).
- The sequence derived from this static representation is: A -> B -> C -> D.

In summary, both diagrams illustrate different ways of implementing a linked list, with (a) using dynamic memory allocation and (b) using a static array structure.
Transcribed Image Text:### Linked Lists in Dynamic and Static Storage #### Diagram (a): A Linked List in Dynamic Storage - The diagram shows a simple linked list structure in dynamic storage. - It consists of four nodes containing the elements A, B, C, and D. - Each node has a data part (denoted by A, B, C, D) and a next pointer (denoted by a blue box and arrow) that points to the subsequent node. - The sequence is: A -> B -> C -> D. - The list starts with a pointer named "list" that points to the first node, A. - The last node, D, contains a pointer to null, indicating the end of the list. #### Diagram (b): A Linked List in Static Storage - This diagram represents the linked list in static storage using an array. - An array named "nodes" is used, with elements at indices from [0] to [6]. - Each element in the array consists of a data value and a next index: - Index [0] is empty. - Index [1]: Node with value B, next index is 6. - Index [2]: Node with value A, next index is 1. - Index [3] is empty. - Index [4]: Node with value D, next index is -1 (indicating the end of the list). - Index [5] is empty. - Index [6]: Node with value C, next index is 4. - The list starts at "first:2", which points to index [2] (Node A). - The sequence derived from this static representation is: A -> B -> C -> D. In summary, both diagrams illustrate different ways of implementing a linked list, with (a) using dynamic memory allocation and (b) using a static array structure.
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