A system program that setup an executable program in main memory ready for execution is Loader. option A)
A Loader is a utility program that sets up an executable program in main memory ready for execution. This is the final sage of the compiling / assembly process. A loader is a program that loads the machine codes of memory. It accepts programs in absolute or re-locatable formats. It is a part of an operating system that is responsible for loading programs and libraries. It is one of the essential stages in the process of starting a program, as it places programs into memory and prepares them for execution.
