A(n) ______ screen restricts access to a computer or mobile device until a user performs a certain action.

In Word 2010 when formatting styles, there is now available an "Insert Symbol" icon on the formatting window

Indicate whether the statement is true or false

Inheritance means ______________.

a. that data fields should be declared private b. that a class can extend another class c. that a variable of supertype can refer to a subtype object d. that a class can contain another class