Question: As described in the text, the PCI-Express bus consists of thirty-two lanes. As of January, 2009, each lane is capable of a maximum data rate

As described in the text, the PCI-Express bus consists of thirty-two “lanes”. As of January, 2009, each lane is capable of a maximum data rate of 500MB per second. Lanes are allocated to a device 1, 2, 4, 8, 16, or 32 lanes at a time.

Assume that a PCI-Express bus is to be connected to a high-definition video card that is supporting a 1920 × 1080 true-color (3 bytes per pixel) progressive scan monitor with a refresh rate of 60 frames per second. How many lanes will this video card require to support the monitor at full capability?

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