Question: Assume a classical computer that performs 109 instructions per second (1GHz). Knowing that the light speed is approximately 3 × 108m/s, what is the distance traversed by the light during the time spent by the execution of one instruction on such computer? Based on this result, explain the need for miniaturizing computer technology and the potential of optical computers (i.e., computers that perform computation with light, e.g., laser).