Okay, "ARC" can stand for several different things depending on the context. Here are some of the most common meanings:
1. "Apple's Automatic Reference Counting:" This is a memory management technology built into macOS, iOS, watchOS, and tvOS. It keeps track of how many references exist to a given object and automatically manages the object's memory allocation and deallocation, preventing memory leaks. It's often used in conjunction with the Objective-C and Swift programming languages.
2. "Airline Route Certificate:" A document required by some countries (especially the United States under the FAA) for air carriers operating between points within the U.S. or between the U.S. and foreign countries. It outlines the specific routes an airline is authorized to fly.
3. "Arithmetic-Logic Unit:" A fundamental part of a computer's central processing unit (CPU) responsible for performing arithmetic and logical operations.
4. "Art Reserve Corporation:" A Canadian company that manages and lends works of art to public galleries and institutions.
5. "Astronomical Research Corporation:" A company involved in astronomical research and development.
6. "Air-to-Air Refueling:" A military operation where one aircraft (the refueling aircraft) transfers fuel to another aircraft (the receiver aircraft) in flight.
7. "Annual Review Committee:" Often used in organizations to conduct performance evaluations.
8. "Area of Responsibility / Airspace:" In military or aviation contexts
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