Provide four examples of disk interfaces used with external drives.
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Provide four examples of disk interfaces used with external drives.
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- Suppose that a magnetic disk has an average seek time of 4 ms, a rotation rate of 5400 RPM, a transfer rate of 50 MB/second, a sector size of 512 bytes, and controller overhead of 2 ms. What is the average amount of time to read a single sector?Write and demonstrate a simulation of a RAID 5 storage system with 4 disk drives. by C++The disk specification in Figure 7.15 gives a data transfer rate of 60MB per second when reading from the disk, and 320MB per second when writing to the disk. Why are these numbers different? (Hint: Think about buffering.)
- Please provide a summary of the many methods used to create nonvolatile solid-state memories, which are becoming more popular.What do robotic optical disk library devices go by?What is the average time to read or write a 512-byte sector for a typical disk rotating at 45,000 RPM? The advertised average seek time is 2 ms, the transfer rate is 400 MB/sec, and the controller overhead is 0.2 ms. Assume that the disk is idle so that there is no waiting time.
- Computer Science Draw a sector representing one platter surface of a hard disk with sixteen sectors. On your drawing show a track, the sectors, and a single block. Place a magnetic head somewhere on your drawing. Show on your drawing the seek time, latency time, and read time for the block that you drew on the disk.It would be helpful if you could briefly explain the methods for storing data in nonvolatile solid-state memories, which are now trending.Consider a disk with the following characteristics
- In what language do you refer to robotic optical disk library devices?Give a brief summary of the technologies that are being used more and more frequently with nonvolatile solid-state memory.SRAM memory operates at the same voltage level as a cpu, but the internal voltages inside DRAM are much smaller. Explain briefly why this is the case. Your explanation should be in your own words. It should include basic facts about how these memories are constructed, and how this impacts on the voltages appropriate to use.