Data Structures MCQs with Answers
Practice important Data Structures MCQs with answers and explanations.
Multiple Choice Questions
Q541: How does symmetry apply to equivalence relations?
- A: If x R y, then y R x is true
- B: If x R y, then x R y is false
- C: If x R y, then x R x
- D: If x R y, then y R z
View Answer
A
Q542: Which of the following is an example of an equivalence relation?
- A: ≤ relation
- B: Electrical connectivity
- C: Less than relation
- D: Greater than relation
View Answer
B
Q543: What does the disjoint sets concept primarily involve?
- A: Partitions of a set into overlapping sets
- B: Partitions of a set into disjoint sets
- C: Combining sets into overlapping sets
- D: Random grouping of elements
View Answer
B
Q544: How many disjoint sets are there in a set if each member is in exactly one equivalence class?
- A: None
- B: One
- C: Two
- D: The number of sets equals the number of elements
View Answer
D
Q545: What is a common operation performed on disjoint sets?
- A: Intersection
- B: Union
- C: Complement
- D: Difference
View Answer
B
Q546: What is the purpose of the find operation in disjoint sets?
- A: To merge two sets into a new set
- B: To determine which set contains a given element
- C: To check if two sets are disjoint
- D: To create a new set from existing ones
View Answer
B
Q547: In the context of disjoint sets, what does the union operation do?
- A: Finds the common elements of two sets
- B: Creates a new set from combining two sets
- C: Finds the unique elements of two sets
- D: Deletes elements from two sets
View Answer
B
Q548: If you have a matrix representing relationships and need to determine if two elements are related indirectly, what approach would you use?
- A: Check the matrix for direct relationships only
- B: Use a graph to represent the relationships
- C: Count the number of elements related to each other
- D: Use a recursive search in the matrix
View Answer
B
Q549: What is the storage requirement for a matrix representing relationships among 1000 people?
- A: 10^4 bytes
- B: 10^6 bytes
- C: 10^8 bytes
- D: 10^12 bytes
View Answer
B
Q550: What is the efficiency concern when using large matrices for representing relations?
- A: Time complexity
- B: Memory usage
- C: Computation speed
- D: Data accuracy
View Answer
B