Which of the following is true in regard to calling functions within dynamic link libraries (DLLs) from within software applications?Group of answer choicesThe DLL file must be distributed and installed along with the application.The DLL file forms part of the source code for the application.The functions within the DLL are compiled with, and form part of the executable code.The DLL file must be present on the user’s machine at runtime.
Question
Which of the following is true in regard to calling functions within dynamic link libraries (DLLs) from within software applications?Group of answer choicesThe DLL file must be distributed and installed along with the application.The DLL file forms part of the source code for the application.The functions within the DLL are compiled with, and form part of the executable code.The DLL file must be present on the user’s machine at runtime.
Solution
The true statement in regard to calling functions within dynamic link libraries (DLLs) from within software applications is: "The DLL file must be present on the user’s machine at runtime."
This is because DLL files are a type of file format that contains multiple codes and procedures for Windows programs. DLL files are called upon by various applications and can be loaded and executed by these applications simultaneously. Therefore, for an application to function properly, the required DLL files must be present on the user's machine at runtime.
The DLL file does not need to be distributed and installed along with the application, it does not form part of the source code for the application, and the functions within the DLL are not compiled with, and do not form part of the executable code. These files are loaded into memory and used when the application calls upon them.
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