Discussion
A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?
Answer: B
Correct answer: 25Mhz
The DX2 runs its core at twice the bus speed, so an internal 50 MHz means an external
\[ \frac{50}{2} = 25\ \text{MHz} \]
Clock doubling raised processor speed without requiring faster and more expensive motherboards.
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