Question

what is the term for a small browser window that appears in front of the browser window you are viewing?
a preferences window
b pop - up window
c float window
d tabbed window

Explanation:

A pop - up window is a small browser window that appears in front of the main browser window. Preferences window is for setting browser preferences. Float window is not a standard term for this context. Tabbed window is part of the main browser window layout (like tabs in a browser).

Answer:

B. Pop - up window