Highway:
<span>cout << "The car can drive " << 20*26.8 << " miles on the highway." << endl; </span>
<span>Town: </span>
<span>cout << "The car can drive " << 20*21.5 << " miles in the town." << endl;</span>
Most computers have three types of ports: serial, parallel, and USB. A serial port is a type of interface that connects a device to the system unit by transmitting data only one bit at a time. Serial ports usually connect devices that do not require fast data transmission rates, such as a mouse, keyboard, or modem.
This way we can turn it on or off so we don't waste power.
Hope I helped! Just tell me if i'm wrong!
