Abyaantrix Edsoft [BCA worksop]

Which of the following is not a built-in data type in C++?

• string

• char

• int

• float

What is the time complexity of accessing an element in an array?

• O(n^2)

• O(n)

• O(log n)

• O(1)

Which of the following is an example of polymorphism in OOP?

• Method overloading in the same class.

• Method overriding in derived classes.

• Static binding of methods.

• Using interfaces without implementation.

What scheduling algorithm is based on the shortest job first?

• Priority Scheduling

• Round Robin (RR)

• Shortest Job First (SJF)

• First Come First Serve (FCFS)

Which normal form eliminates transitive dependencies?

• Second Normal Form (2NF)

• Third Normal Form (3NF)

• First Normal Form (1NF)

• Boyce-Codd Normal Form (BCNF)

What is the primary benefit of using cloud computing?

• Limited accessibility

• Scalability and cost efficiency

• Increased hardware requirements

• Higher upfront costs

Which of the following is a user-defined data type in C++?

• string

• array

• float

• struct, class, union, enum

What is the space complexity of a binary search algorithm?

• O(log n) for both iterative and recursive

• O(1) for iterative, O(log n) for recursive

• O(n) for iterative, O(1) for recursive

• O(n log n) for iterative, O(n) for recursive

Which type of polymorphism is achieved through method overriding?

• Compile-time polymorphism

• Data polymorphism

• Static polymorphism

• Runtime polymorphism

What is the main purpose of a process scheduler in an operating system?

• To provide user interface elements for applications.

• To manage the execution of processes and allocate CPU time efficiently.

• To manage network connections and data transfer.

• To store data permanently in memory.