Computers & IT (Non-Engg)

Tutorial: A self-paced learning exercise; a lesson prepared so that a student can learn at their own speed, at their convenience. A tutorial is a method of transferring knowledge and may be used as a part of a learning process. More interactive and specific than a book or a lecture; a tutorial seeks to teach by example and supply the information to complete a certain task. Depending on the context a tutorial can take one of many forms, ranging from a set of instructions to complete a task to an interactive problem solving session. Pointer : A pointer is nothing but a memory location where data is stored. A pointer is used to access the memory location. There are various types of pointers such as a null pointer, wild pointer, void pointer and other types of pointers. Pointers can be used with array and string to access elements more efficiently.