In a resident – OS computer, which of the following systems must reside in the main memory under all situations?
C) is answer ,
In many operating systems the loader is permanently resident in memory, although some operating systems that support virtual memory may allow the loader to be located in a region of memory that is pageable.
What's a resident-OS?
Loader is a program that loads machine codes of a program into the system memory.In Computing, a loader is the part of an Operating System that is responsible for loading programs. It is one of the essential stages in the process of starting a program. Because it places programs into memory and prepares them for execution. Loading a program involves reading the contents of executable file into memory. Once loading is complete, the operating system starts the program by passing control to the loaded program code. All operating systems that support program loading have loaders.
In many operating systems the loader is permanently resident in memory.
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