465 An operational amplifier, as used in today's consoles, may have a calculated gain of 5. This means that as the input changes by __________.

A. 1 volt, the output changes 5 volts
B. 5 volts, the output changes 1 volt
C. 5 volts, the output changes 10 volts
D. 10 volts, the output changes 5 volts