User Interfaces - Word Drop

The ______ is the function of the operating system that lets the user interact with and control the computer. It takes the user's input and displays the ______ as text, images or sound. It hides the ______ of the hardware, so the user does not need to know how the computer works.

A good user interface is easy to ______ and learn, so the user does not have to remember instructions. A ______ layout means the same things are in the same place and work in the same way. Help and clear ______ tell the user what went wrong and what to do. Accessibility features help users with disabilities. A ______ reads out what is on the screen, and voice control lets the user give commands by speaking. The interface can be ______ to suit the user, for example the text size and desktop background can be changed.

A ______ can make the screen hard to see, so magnification and high contrast colours are useful. A ______ needs an interface that is easy to learn. Icons and menus let them explore instead of remembering commands.