Which of the following storage space types can only be created with three (3) or more physical disks? d) Two-way mirror Parity Three-way mirror Simple e) A see-through mirror O f) A 3-some physical table
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A: Below is the correct answer:
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- Calculate how much disk space (in whole sectors and tracks) will be required to store 1GB (230 bytes) of data if a disk is single-zoned with 512 bytes/sector and 1024 sectors/track. Ignore any file header record(s) and track indices.5.Find out how many parts are there in a floppy disk? Suppose a 3.5 inches floppy disk contained 80 tracks, each of which is divided into sectors capable of holding 512 characters. How many characters will the disk hold if each track is divided into 9 sectors? What if each track contains 18 sectors? How does these capacities compare to the size of 400-page novel in which each page contains 3500 characters?3. A hard disk has 64 sectors/ track, 16 platters, each with 2 regarding surface and 2000 cylinders. The address of a sector is given as corresponds to sector number is
- True/false: 1. One of the I/O module functions is command decoding 2. With multiple zoned recording, the amount of data that can be stored on the outer long track is the same as that can be stored on the inner short tracks, 3. Using Winchester head mechanism, the head is in a physical contact with the disk surface when it is in motion. 4. Scanning information at the same rate by rotating the disk at a fixed speed is known as the constant angular velocity. 5. The disadvantage of the software poll is that it is time consuming 6. When large volumes of data are to be moved, the most efficient technique is direct memory access (DMA). 7. In semiconductor memory, soft errors are permanent. 8. File organization on disk has no effect on I/O performance. 9. DRAMs are more densę than SRAMs 10 The areas between pits are called landsSuppose a disk drive has the following characteristics:1. Six surfaces2. 953 tracks per surface3. 256 sectors per track4. 512 bytes/sector5. Track-to-track seek time of 6.5ms6. Rotational speed of 5,400rpmQ.) What is the capacity of the drive?Suppose a disk drive has the following characteristics: 6 surfaces 1024 tracks per surface 256 sectors per track 512 bytes/sector Track-to-track seek time of 8 milliseconds Rotational speed of 5000 RPM. What is the total capacity of the drive? What is its average access time?
- A certain moving arm disk storage, with one head, has the following specifications. Number of tracks/recording surface = 200 Disk rotation speed = 2400 rpm Track storage capacity = 62,500 bits The average latency of this device is P msec and the data transfer rate is Q bits/sec. Write the value of P and Q.Suppose a disk drive has the following characteristics:1. Five surfaces2. 1,024 tracks per surface3. 256 sectors per track4. 512 bytes/sector5. Track-to-track seek time of 8ms6. Rotational speed of 7,500rpmQ.) What is the capacity of the drive?Consider a disk with the following characteristics: block size 512 bytes, number of blocks per track=20, number of tracks per surface=400. A disk pack consists of 15 double sided disks. i) What is the total capacity of a track? ii) How many cylinders are there? iii) What is the total capacity of a cylinder?
- Suppose a disk drive has the following characteristics: 5 surfaces 1024 tracks per surface 256 sectors per track 512 bytes/sector Track-to-track seek time of 8 milliseconds Rotational speed of 7500 RPM.What is the average latency of the drive?help me fast please Answer true or false @sync1 4. The types of access method in memory systems are: access time, cycle time, and transfer rate.? 5-For the multiple zoned recording system, the surface of disk is divided into a number of tracks and each track have the constant number of bits.? 6. The timing of the bus is: synchronous and asynchronous, in the synchronous timing all devices tied to a fixed clock rate but in asynchronous the events on a bus follow and depend on the occurrence of previous events.? 7. The eraser mechanisms for the semiconductor memory types: RAM, EEPROM, and flash memory is electrically, while for types: ROM, PROM, and EPROM is UV light.? 8. In the PCI bus transaction, if devices A and B request the bus, and the arbiter grand bus to A then to B. The master A asserts FRAME# to begin the data transaction. The master B will transfer a immediately when the FRAME# signals of A desserts. X,? 9. Consider a magnetic disk drive rotates at 3600 rpm and have 8…You have a disk with an average seek time of 3ms. Its rotation speed is 20,000rpm. The disk is organized as 512-byte sectors with 500 sectors per track. Assume that the disk uses sequential organization. How long would it take to read a file consisting of 3000 sectors? What is the total size of the file read in MB?