Q. What is the main difference between volatile and non-volatile RAM?

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Q. What is flash memory commonly used for?

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Q. What is the purpose of secondary storage in a computer system?

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Q. What are the two main kinds of technology used in disks?

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Q. What is the capacity of a typical floppy disk?

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Q. What is the access time that dominates random reads for hard disks?

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Q. What is the capacity of a CD-ROM?

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Q. What is the main advantage of optical media over magnetic disks?

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Q. What is the purpose of paging unused bits of programs out of RAM onto disk?

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Q. What is the main reason for delays due to swapping in the von Neumann bottleneck?

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Q. How can interactive system designers avoid some of the problems related to swapping?

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Q. What is one advantage of using compression techniques for text and bitmaps?

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Q. How does run-length encoding compress bitmaps?

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Q. What method is used in video compression to store only the differences between successive frames?

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Q. Which compression technique is especially good for textured features in images?

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Q. What is the basic standard for text storage?

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Q. Which format is commonly used for storing structured text in an extensible way?

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Q. Why is there a wide range of formats for bitmap storage?

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Q. What is a common shared format for storing formatted text?

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Q. What is a valid reason for not indexing on too many items in a database?

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