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User Friendliness What It Is
The Microcomputer Revolution
Types of Operators
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acceptance testing applications audience basic Chapter character printers characters color command computer displays computer program computer-initiated control structure control technique CRT display cursor daisy-wheel printer data base data entry data input data-base define design principles discussed display screen dot matrix printer editing enter data error message example feedback Figure function gram grammer graphics hardware help screens human factors human operator human-computer interface important input device joystick keyboard language light pen limited menu-driven microcomputer monitor move operator-initiated dialog operator's output parameters perform present printed report program control program development program modules program users prompt purging puter QWERTY rate coding record routines selection short-term memory skill sonar specification step strategy subprograms tasks tester things tion tutorial types typical user documentation user-friendly programs user's guide utility visual write Xerox Star