what is a computer operating system and what does it do
Operating system An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
Computer data storage Data are encoded by assigning a bit pattern to each character, digit, or multimedia object. Many standards exist for encoding (e.g., character encodings like ASCII, image encodings like JPEG, video encodings like MPEG-4).
Denial-of-service attack A wide array of programs are used to launch DoS-attacks.
Paris Peace Accords