Pointer

A pointer is a term used to describe a type of indicator or an object that serves to direct attention or provide guidance towards something. In computing, it refers to a variable that holds the memory address of another variable, enabling efficient data manipulation and memory management. Additionally, pointers can also refer to physical objects like arrows or sticks used to indicate positions or directions.

Pointer meaning with examples

• In a presentation, the speaker used a laser pointer to highlight specific data on the slides, ensuring the audience remained focused on critical information and facilitating better understanding of the subject matter.
• The programming task involved utilizing a pointer to dynamically allocate memory for an array, allowing the developers to manage resources effectively while resizing the data structure as needed during runtime.
• During the classroom lesson, the teacher employed a wooden pointer to emphasize key points on the chalkboard, guiding students through complex formulas and helping them visualize the concepts being discussed.
• In navigation, a compass is often used as a physical pointer, directing travelers to their destination while helping them maintain their bearings in unfamiliar terrain, ensuring they stay on the right path.
• The user interface of many software applications features a cursor, which acts as a digital pointer on the screen. This enables users to click on icons, select options, and navigate through the program efficiently.