QUESTION 22 All signals containing information (eg text, voice, video, image, etc.) have an associated frequency bandwidth. Therefore, it is important to view a signal in both the time and frequency domains True False QUESTION 23 10 j Modulation allows us to transmit voice and sound at higher carrier frequencies, thus enabling us to transmit information at different frequencies True False QUESTION 24 10po Convert 1000 watts to decibels referenced to 1 watt a. 30dBm b.30 dBW d. 10dBw