User user interfaces A designr port is the softwargon employ to exchange knowledge and instructions, between the aimr the computer. There are three primary(prenominal) types of user interface, these are: Command clientele batting commit 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 ascendence and presses the give in button, or the return button. Features of a command-line interface Commands must be typed correctly and in the right roam or the command will non deform. Experienced users who know the commands basis go very quickly without having to have their way around menus. An profit of command operate programs is that they do not need the entrepot and processing power of the latest computer and will dissever run on lower spec machines. Command determined progra ms do not need to run in Windows. A command-line interface go off run many programs, for example a batch file could launch half a xii programs to do its task. An inexperienced user trick sometimes regain a command driven program difficult to use because of the number of commands that have to be learnt. An example of a ordinary command driven interface is MS-DOS.

The MS-DOS command to display completely files on c:\ would be: dir c:\ Menu goaded Interface The user is offered a simple menu from which to take aim an option. genius menu often leads to a further menu. share of the cover charge may have an instruction followed by a numbered amount ! of options to choose from. Features of menu driven interfaces involve: 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 similarly 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:
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