Electronics Engineering (ELEX) Board Practice Exam

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The process of adding data into a stack is known as what?

Popping
Dumping
Pushing
Enqueuing

The correct answer is: Pushing

The process of adding data into a stack is referred to as pushing. In stack data structures, which follow the Last In, First Out (LIFO) principle, the most recent element added is the first one to be removed. When data is pushed onto the stack, it is placed on the top, making it the next item to be accessed or removed when a pop operation is performed. This terminology is foundational in understanding how stacks operate in both theoretical concepts and practical programming applications. The term "popping," for example, refers specifically to the removal of the top element from the stack, while pushing signifies the addition process. Understanding these terms is critical for working effectively with stack data structures in various contexts.