(CS-C949) ICSC 2100 Data Structures & Algorithms I - Latest FA Review Q & S 2024
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Module
Information Technology
Institution
Western Governors University
(CS-C949) ICSC 2100 Data Structures & Algorithms I - Latest FA Review Q & S 2024(CS-C949) ICSC 2100 Data Structures & Algorithms I - Latest FA Review Q & S 2024(CS-C949) ICSC 2100 Data Structures & Algorithms I - Latest FA Review Q & S 2024
,1. Multiple Choice: Which of the following data structures is non-
linear?
a) Array
b) Linked List
c) Graph
d) Stack
Correct Answer: c) Graph
Rationale: Graphs represent relationships between pairs of
objects, which is inherently a non-linear form of data structure,
unlike arrays, linked lists, and stacks which are linear.
2. Fill-in-the-Blank: In a binary search tree, the left child's value
is always _______ the parent's value.
Correct Answer: less than or equal to
Rationale: This property ensures that the tree is sorted and
allows for efficient search operations.
3. True/False: The time complexity of the best case for a quicksort
algorithm is O(n log n).
Correct Answer: True
, Rationale: In the best case, quicksort divides the array into equal
parts with each partitioning step, leading to a time complexity of
O(n log n).
4. Multiple Response: Which of the following are characteristics
of a hash table? (Select all that apply)
a) Direct access
b) Ordered
c) Key-value pairs
d) Fixed size
Correct Answers: a) Direct access, c) Key-value pairs
Rationale: Hash tables provide direct access to elements through
keys and store data as key-value pairs. They are not necessarily
ordered or of fixed size.
5. Multiple Choice: What is the space complexity of a depth-first
search (DFS) on a graph?
a) O(log n)
b) O(n)
c) O(n^2)
d) O(1)
Correct Answer: b) O(n)
, Rationale: DFS requires space proportional to the height of the
graph's tree representation, which can be as large as O(n) in the
case of a linked list-like structure.
6. Fill-in-the-Blank: A _______ is a self-balancing binary search
tree.
Correct Answer: AVL tree
Rationale: An AVL tree is a self-balancing binary search tree
that maintains its height to be logarithmic relative to the number
of nodes.
7. True/False: A graph can have an Euler circuit if and only if all
vertices have even degree.
Correct Answer: True
Rationale: An Euler circuit requires that a path starts and ends at
the same vertex, with each edge being visited exactly once, which
is only possible if all vertices have an even degree.
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