operating system

operating system

1. what is a operating system? the low-level software that supports a computer's basic functions, such as scheduling tasks and controlling peripherals.

   • what is the purpose of an operating system? An operating system (OS) is software that manages computer hardware and software resources and provides common services for computer programs. The operating system is an essential component of the system software in a computer system. Application programs usually require an operating system to function
     • what are the most common operating system in use today? windows mac and linux
     • list as many functions of an operating system in use today provides a user interface, booting the computers , file management, managing the hardware and software.
       • Advantages of GUI Based Operating System It is easy to use. Hence it is built for general users to the advance users. User can be easily familiar with this operating system and can run simple programs with some mouse clicking. Every program and files, data and information or icons and metaphors are represents in terms of graphical images, icons or images hence identification is easy. It is broadly used personal operating system because of users friendliness. Disadvantages of GUI Based Operating System It is slower than CUI based operating system because of graphics. It cannot run on old computer system, it has hardware and software compatibility. Most of the GUI based operating systems are expensive: users have to pay for licensee or to buy it.
         • The CLI was the primary means of interaction with most computer systems until the introduction of the video display terminal in the mid-1960s, and continued to be used throughout the 1970s and 1980s on Unix systems and personal computer systems including MS-DOS, CP/M and Apple DOS.