Using the uml graphical notation for object classes, design the following object classes, identifying attributes and operations. use your own experience to decide on the attributes and operations that should be associated with these objects. a messaging system on a mobile (cell) phone or tablet a printer for a personal computer a personal music system a bank account a library catalog

its either   1 , 21, 6,10, 21 ,36 depending on the answer choices you have.

solution:

bookmark is a word, symbol, image, or other object that links you to another element in another location.

bookmark is a saved shortcut that directs your browser to a specific webpage. it stores the title, url, and favicon of the corresponding page. saving bookmarks allows you to easily access your favorite locations on the web.

it works in all modern web browsers include bookmark features. bookmarks are called favorites or internet shortcuts in internet explorer, and by virtue of that browser's large market share, these terms have been synonymous with bookmark since the first browser war.