To modulate your voice is to modify or gain more control of your voice. It basically means to change or adjust the pitch or tone.
Answer: All devices are connected to a central cable or backbone.
Explanation:
"All devices are connected to a central cable or backbone". Bus Topology refers to a logical or physical network's design. Bus Topology is also the network setup for a LAN (Local Area Network) nodes connected to a "backbone" or cable. The Bus setup connects every single computer and network to a single cable. Among others, the type of cable implemented for bus topology is usually a coaxial cable.
