Interaction Between Application and OS
-An operating system is a set of programs that manage computer hardware resource and provide common services for application software..
-The operating system is the most important type of system software in a computer system..
-A user cannot run an application program on the computer without an operating system, unless the application program is self booting.
Types of Interface
Command Interface
-Normally is used to configure devices,manage system resources and troublesoot network connection,network administration and other advanced users work with command-line interface
-Set command entered into the computer is called the command language
-An interface that accepts types commands or special keys on a keyboard to enter data and instruction from the user
Advantages=Give a user more control over setting details
Disadvantage=Difficult to use
Eg;MS-DOS,UNIX Operating System
Menu Interface
-An interface that accept instruction that user choose from menu of valid choice
-User often use mouse to point and click on the chosen instruction
-Easier to learn than command-line interface because user do not have to learn the rules of entering command
Graphical User Interface
-GUIs evolved from command-driven user interface
-User often us emouse to point and click on the chosen
-With GUI user interact with menus and visual image
Voice-Actuated Interface
Web-Form Interface
-Allow user to enter data that is send to a server for processing
-Web form interface resembles paper form because user need to fill out the form using web form elements
-Enables a user to use simple voice command to control physical environmental
-Eg;The computer includes a voice card and associated voice recognization and training software for interpreting and translating voice input into digital informatuon readable by controller card for operating equipments or control the environment