Is a COMPUTER pure substance

For n devices in a network what is the number of cable links required for a star topology? What are two types of computer memory and their function? What kind of products are sold by Clevo? What are the four kinds of Information System based on hierarchy? How much is a half gallon of kettle one? How many bits is the Genesis or mega drive? What does it mean if a command is grayed? Where is the network and sharing center? Is line efficiency greater in packet switching? What does pml stand for? Why must high level languages be translated? Which Ethernet standards supports csma CD? When a computer sends a frame to another computer do other computers on that network receive the frame? Which type of media can carry ethernet signals up to 2 kilometers? What are rats and mouses favorite food? How big is a 1.75l bottle of liqour? What does 1 rat day equal in human days? How do you program a uninden bearcat scanner bc144xl? Could you please explain to me what an eabeo e2 is? Application of midi file in multimedia applications?