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What is the type of loading?

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Routine is not loaded until it is called.All routine are kept on disk in a relocatable load format.The main program is loaded into memory and is executed.This type of loading is called as _________

A)Static Loading

B)Dynamic Loading

C)Dynamic Linking

D)Overlays

 

Kindly give explanation /attach references if any.
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It is dynamic linking: Linker only resolve all the symbols and load required library at load time or run time

dynamic loading is process of loading the exe file into the memory(mapped from memory-image to process memory-image), it does not require any support from OS. it is programmer's responsibilty to check whether process is loaded or not

Dynamic linking needs support from OS

link: http://stackoverflow.com/questions/10052464/difference-between-dynamic-loading-and-dynamic-linking

https://www.quora.com/Systems-Programming-What-is-the-exact-difference-between-Dynamic-loading-and-dynamic-linking
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The answer should be an option (c) as all routines are kept as it is and only called during execution or on specific requirement.
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