Which is better GHz or MHz?

Related questions

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2. What's the difference between MHz and kHz?
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4. Is 80MHz better than 40MHz?
5. How many nanoseconds are in a Hertz?
6. What is cumulative frequency in a frequency table?
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8. What is rated frequency?
9. How are Hertz measured?
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2. #least
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4. #copies
5. #multiple
6. #cycle
7. #compares
8. #speed
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11. #gigahertz
12. #occur
13. #example
14. #computer
15. #operations
16. #processes
17. #megahertz
18. #calculates
19. #clock
20. #because
21. #internally