Antivirus software scans virus signatures in e-mail attachments, ____, and files that you access from USB flash drives, CDs, DVDs, or the Web.

A Java variable's scope level is its ____.

A. constructor B. class method C. block D. fundamental class

____ text is text that a user cannot select for copying, and text that cannot be edited.

a. Selectable b. Static c. Read-only d. Fixed