Q. To improve the availability of storage of disk, leveraging redundancy is captured in the

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Q. A scheme in which portions of the I/O address space are given to I/O devices, is called

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Q. The higher availability cost is reduced to 1/N, where N is the

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Q. Measuring the continuous service accomplishment and equivalently of the time to failure from a reference point is called

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Q. The data transfer rate is given by the formula

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Q. Spread of data in the multiple disks, is refered to as

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Q. The 32-bit, 33MHz PCI bus will have peak bandwidth of about

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Q. When the disks rotate at 5400 RPM-15,000 RPM, then they have average rotational latency is between

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Q. A bus which is designed for allowing processors, I/O devices and memory, is called a

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Q. 1GB of data is referred in bytes as

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Q. The average time for reading/writing the 512-byte sector for the disk rotating at 10,000 RPM when its time is 6 ms, its transfer rate is 50 MB/sec, and its controller overhead is 0.2 ms

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Q. Reads/writes requests to I/O devices, are called

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Q. Request, which is used for indicating a read request for memory, is known as

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Q. A unit on the bus that initiates bus requests is called

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Q. 1000 disks having 1,200,000-hour MTTF and disks being used 24 hours a day, and failed disks are being replaced with a new ones, then no that will fail over five years (43,800 hours) is,

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Q. A bus connecting processor and memory, is known as

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Q. The process that periodically checks the status of an I/O devices, is known as

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Q. The average time required to reach a storage location in memory and obtain its contents is called the

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Q. DMA interface unit eliminates the need to use CPU registers to transfer data from

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Q. In vectored interrupts, how does the device identify itself to the processor..?

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