Exam 16: Input Design and Prototyping

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Data type checks determine whether all required fields on the input have been entered. Required fields should be clearly identified as such on the input screen.

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Data entry is the process of translating the source data or document into a ____________________________.

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A suggestion to help with the use of source documents is to maximize the amount of handwriting required to complete the form.

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Combination checks determine whether a known relationship between two fields is valid. For example, if the vehicle make is Pontiac, the vehicle model must be one of a limited set of values that comprises cars manufactured by Pontiac.

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A drop-down list is a control that requires the user to select a data item's value from a list of possible choices. A drop-down list consists of a rectangular selection field with a small button connected to its side (that contains a picture of a downward arrow). The downward arrow button is to suggest to the user the existence of a hidden list of possible values for a data item.

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Optical mark recognition technology for input has existed for several decades. It is primarily _________________________ processing-oriented.

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Source documents are forms used to record business transactions in terms of data that describes those transactions.

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The classic example of optical mark recognition is the use of optical mark forms for objective-based questions on examinations.

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If you needed to collect gender information on a computer screen, your best choice for a GUI control would be:

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Describe the main characteristics of electromagnetic ADC technology.

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"Capture data that can be calculated or stored in computer programs" is one of the general principles for input design.

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Name three input data validation techniques that are widely used.

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A text box:

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Optical character recognition:

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Combination checks determine whether all required fields on the input have actually been entered.

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Domain checks determine whether a known relationship between two fields is valid.

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If you needed a user to enter how many copies he or she wanted to print, limiting the choices to positive whole numbers, our best choice for a GUI control would be:

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Buttons are used to allow a user to commit all of the data to be processed, or cancel a transaction, or get help. They can be used to navigate between instances of the same form.

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Describe the main characteristics of smart card technology.

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A drop-down list should be used in those cases where the data item has a large number of predefined values and screen space availability prohibits the use of a list box.

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