Mail servers may block e-mails with attached file types with ________ enabled

________ acknowledge(s) the futility of trying to stop people from copying software and instead relies on people's honesty

a. Shareware b. WareZ sites c. Parallel imports d. Broadcast piracy

In the mid-1980s, Microsoft developed the ________ operating system based on a graphical user interface with buttons, textboxes, menus and other graphical elements.

a) Unix b) Macintosh c) Linux d) Windows