A Level Computer Science OCR Practice Exam

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What is the impact of an object code being saved?

It requires an active compiler to run
It can be executed multiple times without recompilation
It reduces the need for a symbol table
It is more prone to copyright issues

The correct answer is: It can be executed multiple times without recompilation

The correct answer highlights that an object code, once saved, can be executed multiple times without the need for recompilation. This is a fundamental feature of object code, as it is the machine-readable form of the program generated after the source code is compiled. When software is compiled into object code, it transforms the original high-level language code into a format that the computer's processor can understand and execute directly. Since the object code does not need to be translated again, it enhances efficiency and convenience; developers can run and test the code as many times as necessary without repeating the compilation process. This also allows for easier distribution and execution on different machines, assuming compatibility. The other options discuss aspects related to the behavior of compilers and copyright issues but do not appropriately reflect the primary benefit of saving object code, which is the ability to execute it efficiently without recompiling.