You are instructing a colleague to create a device driver for a new tape drive that will be used to store collected data for an embedded system. What are two of the qualities of this type of device that must be understood to write the driver?
A) It is a random-access, character-stream device
B) It is a packet-oriented device that uses PIO.
C) It is a sequential-access, block device.
D) I uses memory-mapped I/O and DMA.

Question

Quizplus · Accepted Answer

Tape drives are sequential-access, block devices, meaning they read and write data in a linear fashion, block by block, rather than randomly accessing data points. This is crucial for the driver to manage data correctly.

You Are Instructing a Colleague to Create a Device Driver