Computer usage has increased, and users are added in thousand folds. Products are becoming more compatible and user-friendly. Whatever the logic or procedure the developers use is none of the user’s business; they want the work to be done easily. For example, a mobile phone is very convenient to any people, they can operate the handset easily, but most of the user either hesitate or get difficulty during their initial usage. Even though a person using his/her own handset for long time might not know some extra features available in it. That’s why GUI, content, and help-file facilitate the product more acceptable to the user.
Here comes the usability and help into picture; no matter how robust the product is! If it can’t come-up with user’s expectations then it fails. But, there are exceptions where functionality and robustness of an application has to compromise with GUI, for example, mainframe application.
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