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

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Q. What is Soundex used for?

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Q. What is the main characteristic of free text retrieval systems?

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Q. What are the advantages of using compression techniques for storing data?

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Q. How does the von Neumann bottleneck affect computer performance?

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Q. How does XML differ from SGML in terms of extensibility?

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Q. What are the main data types stored by interactive programs?

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Q. What is the approximate processing speed of computers running interactive programs?

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Q. What happened when the first program written by one of the authors 'hung'?

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Q. Which type of fault is occured when the system is behind in responding to the user's cursor movements?

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Q. What problem arises due to the system buffering user input?

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Q. What happens when a user clicks on a menu or icon in a window system while the machine is busy or slow?

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Q. What typically causes problems with delays in window systems?

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Q. What is a style of interaction that may be required on a slower machine due to delays in mouse-based interfaces?

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Q. Why is it not always advisable to aim for a system to be as fast as possible?

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Q. How can designers address problems related to system speed and delays in user interfaces?

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Q. What is a factor that can limit the speed of an interactive system when using find/replace in a large document?

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Q. What is a common bottleneck in many modern interfaces, leading to underestimation of time taken for simple interface operations?

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Q. In an interactive system, what is the purpose of a special-purpose graphics card?

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Q. In an interactive system linked by a network, what can limit performance when accessing shared files on a remote machine?

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