Software Presentation

User Interfaces
A designr interface is the softwargon employ to exchange information and instructions, between the user the computer. There are three main types of user interface, these are:
Command Line
batting order dictated
in writing(p) User Interface (GUI)
Command Line Interface
A look out on-line interface exclusivelyows the user to interact with the computer by typing in molds. The computer displays a prompt, the user keys in the command and presses the enter button, or the return button.



Features of a command-line interface
Commands must be typed correctly and in the right order or the command will not deform.
Experienced users who know the commands can work very quickly without having to have their way around menus.
An utility of command operate programs is that they do not need the warehousing and processing power of the latest computer and will lots run on lower spec machines.
Command driven programs do not need to run in Windows.
A command-line interface can run many programs, for example a batch file could launch half a twelve programs to do its task.
An inexperienced user can sometimes find a command driven program difficult to use because of the number of commands that have to be learnt.
An example of a universal command driven interface is MS-DOS.



The MS-DOS command to display all files on c: would be: dir c:

Menu Driven Interface
The user is offered a simple menu from which to choose an option. genius menu often leads to a further menu. Part of the cover charge may have an instruction followed by a numbered amount of options to choose from.

Features of menu driven interfaces include:
They are soft to use as the user does not have to echo sets of commands.
They are user friendly - you can often sound off your way around the options.
They can be irritating if on that point are too many levels of menus to move around - with a command-line interface you can go to the option required immediately.

Graphical User Interface (GUI)
Graphical user...If you want to get a full essay, order it on our website: Ordercustompaper.com



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