FAQ IO Systems What is seek time? What characteristics determine the disk access period? What are the advantages of the variation of linked allocation that uses a FAT to chain together the blocks of a file? What are the primary goals of the conflict resolution mechanism used by the Linux kernel for loading kernel modules? Define rotational latency. Write a brief note on RAID. Distinguish between block and character I/O devices. List any four disk errors. State the principle of two level scheduling. What is spooling? What is the principle of spooling in printers? What is the difference between spooling and buffering? Briefly discuss the relative advantages and disadvantages of sector sparing and sector slipping. Differentiate blocking I/O from non-blocking I/O. What is mirroring? What is the principle of spooling in printers? What is the use of sector sparing or forwarding? Discuss the relative advantages and disadvantages of sector sparing and sector slipping.