CALLBACK Meaning and
Definition
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A callback is a term commonly used in computer programming and telecommunications, referring to a programming technique used to execute a specific function or code segment after the completion of a certain task or event. It involves the concept of a function or subroutine being called back or invoked after the completion of a predetermined condition, typically triggered by an event or an action.
In computer programming, a callback function is often registered or assigned to an asynchronous operation or event listener. When the event occurs, the registered function is called back or executed, enabling the system to respond to the event appropriately. This allows for more efficient and flexible programming, as it eliminates the need for continuous polling or waiting for a task to complete.
Callbacks are widely used in various programming languages and frameworks to handle events, such as button clicks, network requests, or file operations. They offer a way to respond to these events in a non-blocking manner, enabling the program to continue executing other tasks while waiting for a response.
Moreover, callbacks are often utilized in telecommunications to handle incoming calls or messages. In this context, a callback may involve the system automatically returning a call or message to ensure efficient communication and prompt responses.
Overall, a callback is a fundamental programming concept that allows for event-driven and asynchronous programming, ensuring efficient execution and improved system responsiveness.
Top Common Misspellings for CALLBACK *
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Other Common Misspellings for CALLBACK
Etymology of CALLBACK
The word "callback" is a compound noun that is derived from the verb "call" and the noun "back". The verb "call" has Old English roots, coming from the Germanic language family. It originally meant "to summon someone by shouting". The noun "back" also has Old English roots, and it refers to the rear or the opposite side. In the context of a "callback", the word refers to a return or response to a previous request or action. Therefore, the etymology of the word "callback" combines the action of calling and the concept of a return or response.
Similar spelling words for CALLBACK
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