Question: You have been troubleshooting a performance issue with a system that has just had a new block device installed along with its driver. The driver

You have been troubleshooting a performance issue with a system that has just had a new block device installed along with its driver. The driver code was written by a new software development intern. When the device is accessed, you notice high CPU utilization. Which of the following is the most likely solution to the problem?

Add a FIFO chip to the device.

Change the device to use character streaming.

Use DMA to perform data transfers.

Use programmed I

/

O to communicate with the device registers.

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