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Entries in a stack are “ordered”. What is the meaning of this statement?
- a)A collection of stacks is sortable
- b)Stack entries may be compared with the ‘<‘ operation
- c)The entries are stored in a linked list
- d)There is a Sequential entry that is one by one
Correct answer is option 'D'. Can you explain this answer?
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Entries in a stack are “ordered”. What is the meaning of t...
In stack data structure, elements are added one by one using push operation. Stack follows LIFO Principle i.e. Last In First Out(LIFO).
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Entries in a stack are “ordered”. What is the meaning of t...
Understanding the Statement: "Entries in a stack are 'ordered'"
The statement implies a specific characteristic of how entries in a stack are managed and accessed. Let's delve into the meaning of "ordered" in the context of a stack.
Sequential Access of Entries
- In a stack, entries are accessed in a Last In, First Out (LIFO) manner.
- This means that the most recently added entry is the first one to be removed.
- Therefore, when it is said that entries are "ordered," it refers to the way they are accessed sequentially, one by one.
Implications of Ordering
- The order in which entries are added to the stack determines their removal sequence.
- For example, if you push entries A, B, and C onto the stack, the order of removal will be C, B, and then A.
- This sequential aspect is crucial for stack operations, making it predictable and manageable.
Why Other Options Are Incorrect
- Option A: A collection of stacks is sortable - This is not inherently true; stacks do not allow for sorting operations.
- Option B: Stack entries may be compared with the ‘<’> - While comparisons can be made, it is not a defining characteristic of a stack.
- Option C: The entries are stored in a linked list - Stacks can be implemented using various data structures, not limited to linked lists.
In conclusion, the correct interpretation of "ordered" in the context of stack entries is best represented by option D. The entries are accessed sequentially, following the LIFO principle.
The statement implies a specific characteristic of how entries in a stack are managed and accessed. Let's delve into the meaning of "ordered" in the context of a stack.
Sequential Access of Entries
- In a stack, entries are accessed in a Last In, First Out (LIFO) manner.
- This means that the most recently added entry is the first one to be removed.
- Therefore, when it is said that entries are "ordered," it refers to the way they are accessed sequentially, one by one.
Implications of Ordering
- The order in which entries are added to the stack determines their removal sequence.
- For example, if you push entries A, B, and C onto the stack, the order of removal will be C, B, and then A.
- This sequential aspect is crucial for stack operations, making it predictable and manageable.
Why Other Options Are Incorrect
- Option A: A collection of stacks is sortable - This is not inherently true; stacks do not allow for sorting operations.
- Option B: Stack entries may be compared with the ‘<’> - While comparisons can be made, it is not a defining characteristic of a stack.
- Option C: The entries are stored in a linked list - Stacks can be implemented using various data structures, not limited to linked lists.
In conclusion, the correct interpretation of "ordered" in the context of stack entries is best represented by option D. The entries are accessed sequentially, following the LIFO principle.
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Entries in a stack are “ordered”. What is the meaning of this statement?a)A collection of stacks is sortableb)Stack entries may be compared with the ‘<‘ operationc)The entries are stored in a linked listd)There is a Sequential entry that is one by oneCorrect answer is option 'D'. Can you explain this answer?
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