Allow us to use our intuitions which are based on previous experience and logic; if something is consistently done in a particular way, it will eventually become the conventional way of doing it.

• Predictability

• Generalizability

• Conventions

• Constraints

Will involve limiting the actions that can be performed in a particular design.

• Predictability

• Generalizability

• Conventions

• Constraints

Safety in data means, preventing user from making serious errors by ____________ of wrong keys/buttons being mistakenly activated.

• reducing risk

• recovering errors

• privacy

• All of the answers

Safety in data means, providing user with means of ________________.

• reducing risk

• recovering errors

• privacy

• All of the answers

Safety in data means, ensuring _______________ & security (protect sensitive information such as passwords, VISA card numbers.

• reducing risk

• recovering errors

• publictly

• All of the answers

Uses windows, icons, menus and pointers (WIMP) which can be manipulated by a mouse (and often to an extent by a keyboard as well)

• Command Line Interface

• Menu Driven Interface

• Graphical User Interface

• All of the answers

Can range from simple command systems to voice activated text processing

• Command Line Interface

• Menu Driven Interface

• Graphical User Interface

• Natural Language Interface

Norman's Principles of Usability, ___________ is the principle is nature: when you talk to somebody, you expect a reply send back to use.

• Invisible Technology

• feedback

• constraints

• logical Constraints

Norman's Principles of Usability, ______________ is restricting some kinds of user interaction to take place at a given moment

• Invisible Technology

• feedback

• constraints

• logical Constraints

Norman's Principles of Usability, _________________ is exploit people’s common-sense reasoning about actions and their consequences.

• Invisible Technology

• feedback

• constraints

• logical Constraints