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Question 1: What is the time complexity of searching for an element in a balanced binary search tree?

• A) O(n)

• O(log n)

• O(n log n)

• O(1)

Question 2: Which data structure is used for implementing recursion?

• A) Queue

• B) Stack

• C) Linked List

• D) Tree

Question 3: What is the worst-case time complexity of QuickSort?

• A) O(n log n)

• O(n^2)

• O(n)

• O(log n)

Question 4: Which algorithm is used to find the shortest path in a graph with negative weights?

• A) Dijkstra's Algorithm

• B) Kruskal's Algorithm

• C) Bellman-Ford Algorithm

• D) Prim's Algorithm

Question 5: What does ACID stand for in database transactions?

• A) Atomicity, Consistency, Isolation, Durability

• B) Accuracy, Consistency, Isolation, Durability

• C) Atomicity, Completeness, Isolation, Durability

• D) Accuracy, Completeness, Integrity, Durability

Question 6: In SQL, which command is used to remove a table from the database?

• A) DELETE TABLE

• B) REMOVE TABLE

• C) DROP TABLE

• D) TRUNCATE TABLE

Question 7: What is the main purpose of a scheduler in an operating system?

• A) Memory management

• B) Process management

• • C) File management

• D) Security management

Question 8: Which scheduling algorithm may cause the problem of starvation?

• A) Round Robin

• B) First-Come-First-Serve

• C) Shortest Job Next

• D) Priority Scheduling

Question 9: In Java, which of the following is a wrapper class for a primitive data type?

• A) String

• B) Integer

• C) ArrayList

• D) HashMap

Question 10: Which keyword is used to prevent a method from being overridden in Java?

• A) static

• B) const

• C) final

• D) abstract