OPerating System
Operating System: An operating system Is software program that controls the Internal activities of the computer hardware and provides user interface. OS is the first program Loaded into the Computer's main memory After the computer is switch on. An operating system performs the following functions . a. Processor Management : It assigns processors to the different tasks that must Be performed by the computer system. b. Memory Management : It allocates the main memory to the system programs, user programs and data. C . Input/output Management : It carries Out the input /output management. d. Scheduling : It determines and maintains the order in which jobs are to be executed in the computer system. e. Time sharing : It coordinates the assign Compilers, assemblers, utility program and Other software packages. f. File Management : It manages files on Various storage devices and the transfer Of these files from one storage device
