E tech

WEEK 3

Rules of netiquette The internet , some times called simply “the net” is a world wide system of computer network- a network of networks in wich users at any one computer can, if they have permission get information from any other computer (and sometimes talk directly to users at others computer). Operating system (OS) An operating system (OS) is the program that. After being initially loaded into the computer by a boot program. The others programs are called applications or application programs. In addition users can interact directly with the operating system through a user interface such as command line or a graphical user interface (GUI). Operating system (OS) – the software that supports a computer basic function, such as scheduling tasks, executing applications, and controlling peripherals. Computer software – is a part of a computer system that consist of data or computer instructions. In contrast the physical hardware from wich the system is built. Computer software includes computer programs, libraries and related non-executable data,such as online documentation or digital media. Computer hardware and software require each other and neither can be realistic used on its own