Chapter 8: User Interface Design

Graphical user interface (GUI)

use of graphical objects and techniques allowing users to communicate with a system

User-centered

indicates the primary focus is upon the user; the distinction blurs between input, output, and the interface itself

Transparent interface

A user interface that users don't really notice—a user-friendly interface that does not distract the user and calls no attention to itself

Usability metrics

software that can record and measure user interaction with the system

Dialog box

allows a user to enter information about a task that a system will perform

Input mask

a template that makes it easier for users to enter data

Data validation rule

a mechanism to improve input quality by testing the data and rejecting any entry that fails to meet specified conditions

Existence check

type of data validation check that is used for mandatory data items

Range check

used to verify that data items fall between a specified minimum and maximum value

Combination check

performed on two or more fields to ensure that they are consistent or reasonable when considered together

Summary report

a report used by individuals at higher levels in the organization that includes less detail than reports used by lower-level employees

Output security

protects privacy rights and shields the organization's proprietary data from theft or unauthorized access

Natural language

a software feature that allows users to type commands or requests in normal language phrases

How has the IT department transitioned with regards to user interface?

As information management evolved from centralized data processing to dynamic, enterprise-wide systems, the primary focus also shifted—from the IT department to the users themselves. The IT group became a supplier of information technology, rather than a supplier of information

Audit trails

log every instance of data entry and changes