DCA COURSE
DCA COURSE TAMIL DIPLOMA IN COMPUTER APPLICATION CHAPTER 3 - OS ( OPERATING SYSTEM) CLICK HERE FOR CHAPTER 1& 2 OS - OPERATING SYSTEM "OS" typically stands for "Operating System." An operating system is software that manages computer hardware and software resources and provides common services for computer programs. Here are the key functions and components of an operating system: Process Management : Manages the execution of processes, including multitasking, scheduling, and handling concurrency. Memory Management : Manages the allocation and deallocation of memory space, ensuring efficient use of memory and protecting the memory space of different processes. File System Management : Manages files on storage devices, providing a way to store, retrieve, and organize files. Device Management : Manages device communication via their respective drivers, ensuring efficient operation and access to hardware components like printers, disks...
