Why it is necessary to use high speed bus in parallel system?

What is a person called when they buy and sell? When the view side by side command is turned on what other command is also active? What do Mice noises mean? Should you click this? What is the input device that looks like a circle and is used to move through lists on portable devices and is activated by circular finger motions? How fast must a ball be rolled along the surface of a 70cm high table so that when it rolls off the edge it will strike the floor at the same distance from the point directly below the edge of table? How many gallons of water in 960 cubic feet? Why does your MacBook Pro say your ichat icon is damaged or incomplete? Characteristics of a field that control how the field will display and how the data can be entered in the field? Who started Accelerated Reader? What is the function in LCD? Where do garden mice make their nest? What happens if you place a drop of food coloring in a glass of water? What does folder mean? What school subjects are important in Information Sercurity Analyst? I have deleted the installed software..how to uninstall that software? Why switch is always connected in the phase? What difference between cache and ram? What series of instructions tell the computer what to do? Where can you get the VLC Player offline installer for ubuntu?