Multiple choice How many cycles per second is 1 Ghz? 1,000,000 100 10,000 1,000,000,000 Reveal answer Fill a bubble to check yourself D Correct answer Explanation The prefix 'Giga' represents one billion (10^9) in the metric system. Therefore, a clock speed of 1 GHz (Gigahertz) corresponds to 1,000,000,000 cycles per second.