Structured Systems Analysis and Design (ICT2621) - Chapter 8 question and answers 2023 updated
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Course
ICT2621
Institution
ICT2621
Structured Systems Analysis and Design (ICT2621) - Chapter 8 question and answers 2023 updated
The goal of systems design correct answers To build a system that is effective, reliable and maintainable
- A system is effective if it supports business requirements and meets user needs
- A system ...
Structured Systems Analysis and Design (ICT2621) - Chapter 8 question and answers 2023 up dated The goal of systems design correct answers To build a system that is effective, reliable and maintainable - A syst em is effective if it supports business requirements and meets user needs - A system is reliable if it handles errors - A system is maintainable if it is flexible, scalable and easily modified Guidelines for successful design correct answers Think like a user - examine any point where users provide input or receive output. The interface should be easy to learn & intuitive and forgiving of errors Anticipate future needs - consider possible expansion in the future Provide Flexibility - Provide default val ues and several alternatives Manage data affectively - Enter and verify data as soon as possible, collect data close to its source User Interface (UI) correct answers Describes how users interact with the computer system and consists of all the hardware, software, screens , menus, functions, output and features that affect two -way communications between the user and the computer. Usability correct answers The extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency and satisfaction in a specified context of use Human -Computer Interaction (HCI) correct answers Describes the rel ationship between computers and the people who use them to preform jobs Seven habits of successful interface designers correct answers 1 - Understand the business 2 - Maximize graphical effectiveness 3 - Think like a user 4 - Use models and prototypes 5 - Focus on usability 6 - Invite feedback 7 - Document Everything Guidelines for User Interface design correct answers 1 - Create an interface that is easy to learn and use 2 - Enhance user productivity 3 - Provide users with help and feedback 4 - Create an attractive layout and design 5 - Enhance the interface 6 - Focus on data entry screens 7 - Use Validation rules 8 - Reduce Input Volume
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