A CPU has a clock cycle time of 2 ns. What is the clock speed?
Q1. A CPU has a clock cycle time of 2 ns. What is the clock speed?
Answer: 1 GHz
Explanation: Clock speed = 1 / clock cycle time = 1 / 2 ns = 1 / (2 * 10^-9 s) = 500 * 10^6 Hz = 500 MHz, but since 1/2ns = 0.5*10^9 Hz, it is 500 MHz or 0.5 GHz, the closest answer is 500 MHz.