What will be the color of a red rose when it is seen

What is a blockchain?

The preorder traversal of a binary search tree is 15, 10, 12, 11, 20, 18, 16, 19. Which one of the following is the postorder traversal of the tree?

In a binary search tree (BST), what is the time complexity of finding the maximum element in the tree?

What is the purpose of the token in a Token Ring network?

What is the primary purpose of memory management in an operating system?

Attributes are made of more than one simple attribute.

Which of the following brackets are used in python to create a list?

Which of the following backup types provides the fastest backup and recovery performance but requires the most storage space?

‘/a’ is used for what in C++

Which optimization algorithm is commonly used for updating the weights of neural networks and helps prevent getting stuck in local minima?