A ________ is a computer program that converts text into speech

QPSK uses four signal states that are ____ degrees out of phase to carry four signal values.

A. 30 B. 60 C. 90 D. 180

If a browser does not request a specific file in a directory, the normal default Web server response is

(a) to return default.html. (b) to return the home page. (c) to return index.html. (d) to return nothing.