Q1mediumWhich disk scheduling algorithm is most likely to cause Starvation for requests at the inner or outer cylinders?AFCFSBSSTF (Shortest Seek Time First)CSCANDC-LOOKCheck AnswerReveal Answer & ExplanationDiscuss on Board
Q2mediumAn HDD has a seek time of 10ms, a rotational latency of 5ms, and a transfer time of 1ms for a block. What is the total time to read the block?A10msB15msC16msD6msCheck AnswerReveal Answer & ExplanationDiscuss on Board
Q3easyWhat is the main goal of Disk Scheduling algorithms?ATo encrypt the data on the disk.BTo format the disk into sectors.CTo increase the storage capacity of the disk.DTo minimize seek time and rotational latency, thereby maximizing disk bandwidth.Check AnswerReveal Answer & ExplanationDiscuss on Board
Q4easyWhat is the purpose of RAID 1 (Mirroring)?ATo increase storage capacity.BTo improve write performance.CTo stripe data across multiple disks.DTo provide redundancy by writing the exact same data to two or more disks.Check AnswerReveal Answer & ExplanationDiscuss on Board
Q5easyWhat is the primary benefit of RAID 0 (Striping)?AIt uses less power.BIt is the most secure RAID level.CIt significantly improves read and write performance by splitting data across multiple disks.DIt provides data redundancy.Check AnswerReveal Answer & ExplanationDiscuss on Board
Q6easyWhat is the difference between SCAN and C-SCAN?ASCAN services requests in both directions; C-SCAN only services requests in one direction and then jumps back to the start.BC-SCAN causes starvation. ◦CSCAN is faster than C-SCAN.DSCAN is for HDDs; C-SCAN is for SSDs.Check AnswerReveal Answer & ExplanationDiscuss on Board