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Disk: Do you speak geek?

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1. This stores and provides relatively quick access to large

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amounts of data on an electromagnetically charged surface or set of surfaces.
What is it?

2. This is a way of storing the same data in different places on multiple hard disks. By placing data on multiple disks, I/O operations can overlap in a balanced way, improving performance.
What is it?

3. This is a CD format that increases the storage capacity of the disk through means such as increasing the number of tracks and pits.
What is it?

4. This was the first widely-installed operating system for personal computers. Earlier, the same name had been used for an IBM operating system for a line of business computers.
What is it?

5. This is a variation of disk mirroring in which each of multiple storage disks has its own SCSI controller.
What is it?

6. In computers that use multiple hard disk systems, this is the process of dividing a body of data into blocks and spreading the data blocks across several partitions on several hard disks.
What is it?

7. This is an approach to computer storage backup and archiving in which data is initially copied to backup storage on a disk storage system and then periodically copied again to a tape storage system (or possibly to an optical storage system).
What is it?

8. This disk doesn't have the usual carbon-based material found on other types of hard disks. It lets the read/write head get closer to the surface, allowing more data to be stored in a given space.
What is it?

9. This is a mechanism for improving the time it takes to read from or write to a hard disk.
What is it?

10. This technology provides an alternative to tape libraries that is cheaper than conventional disk architectures.
What is it?


This was first published in February 2005

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