Linked List and Dictionary
Authored by Glaizess Salisi
Information Technology (IT)
10th Grade
Used 2+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A developer is designing a system that frequently adds and removes data elements in the middle of a list. Which data structure provides better efficiency and flexibility for this use case, and why?
Array, because elements are stored contiguously for faster access
Linked list, because it allows dynamic resizing and easy node link adjustments
Queue, because it supports FIFO processing for sequential data
Stack, because it ensures efficient last-in-first-out data access
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
If a node’s Next reference is accidentally deleted or set to null during execution, what will most likely happen to the linked list structure?
The linked list will automatically reorganize itself to restore the connection
The program will convert the node into a standalone linked list
The traversal process will break, isolating the remaining nodes from the chain
The compiler will fix the broken link during runtime memory allocation
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Analyze the following situation: You are iterating through a doubly linked list from the tail to the head. Which property enables this traversal?
The Value property that holds the node’s data
The Next property that points forward
The Previous property that points backward
The Head property that stores the first node
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A linked list stores data in non-contiguous memory locations. What key concept does this design demonstrate?
Data compression and decompression
Dynamic memory allocation and referencing
Parallel processing and memory caching
Static storage and fixed indexing
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In a singly linked list, a developer needs to insert a node between two existing nodes. What must be done to avoid breaking the list’s structure?
Reinitialize all nodes to ensure proper linking
Create a new list and copy the data sequentially
Adjust the Next pointer of the preceding node to the new node, then link the new node to the next one
Modify the Previous link of the next node to the new one
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Compare arrays and linked lists. Which statement best explains why linked lists can have poorer cache performance?
Because each node is smaller in size than an array element
Because linked lists store nodes in random memory addresses, reducing spatial locality
Because linked lists always require more CPU cycles for every access
Because arrays reserve extra unused memory, while linked lists do not
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Evaluate this scenario: You’re building a browser’s “Back” and “Forward” navigation. Which type of linked list would best support this functionality?
Singly linked list, since it can move only in one direction
Circular linked list, since it loops infinitely
Doubly linked list, since it supports traversal in both directions
Unordered linked list, since it stores pages randomly
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