A) Application system
B) Hardware system
C) Software system
D) Operating system
E) None of these
Correct Answer: D
Solution :
Operating system is a soft-ware that controls the operation of a computer, directs the input & output of data. Keep track of files and controls the Processing of computer programs. Its role include managing the functioning of the computer hardware, running the application programs, serving as an interface between the computer and the user and allocating computer resources to various functions
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