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Sams Teach Yourself COBOL in 24 Hours by Thane Hubbell

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Hour 24The Graphical User Interface

Most modern computer users are very familiar with the graphical user interface, or GUI. This method of interfacing with the user is very different from the historical approach of the text mode screen. Some argue that the GUI is not well suited to the tasks of business, and there may be some truth to that criticism. Business demands streamlined, fast, accurate, and simple-to-operate applications to minimize training costs and ease user operation.

Unlike a text mode screen, where every field is displayed, the GUI relies on user action to open specific areas of the application. Text mode applications guide the user through the process, but the GUI allows the user to control the process. This type of process is ...

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