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Q 1 . Explain the File system, access method, metadata, magic number etc. Q 2 . Explain different structures of file directories, how file directories
Q Explain the File system, access method, metadata, magic number etc.
Q Explain different structures of file directories, how file directories are implemented and the different operations on files
Q Explain typical PC bus structure, memory mapped IO Programmed IO with polling and interrupts, and DMA.
Q Explain the difference between maskable and nonmaskable interrupts. Difference between the first level vs secondlevel interrupt handler
Q Explain Storage device management including, drive formatting, partitions, volumes, bootstrap, MBR and how to handle bad blocks
Q Explain head crash and wear leveling
Q Explain secondary storage connection methods and address mapping using logical blocks and LBA. Also, explain the difference between constant linear velocity CLV and constant angular velocity CAV
Q Explain Bad block detection and handling such as sector forwarding and sector slipping. Explain what is stable read and stable write
Q Explain the Kernel IO subsystem including buffering, copy semantics, device status table, cache, and spool
Q Explain the device controller and device driver and how the IO operation takes place.
Q Explain how a magnetic disk is organized and explain track, sector and seek time, rotational delay, and data transfer time.
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