Scopes deliver 350MHz bandwidth on four channels

What is USB?
The Universal Serial Bus or USB is a communications architecture that allows a PC to interconnect various devices using a simple four-wire cable. A standard interface allows data rates of 12Mbps.

What is an oscilloscope?
Oscilloscopes are test instruments that display electronic signals (either waves or pulses) on a screen. It creates its own time base against which signals can be measured, and displayed frames can be frozen for visual inspection. It is sometimes abbreviated as CRO, for cathode-ray oscilloscope, or commonly called scope or O-scope.