Artificial intelligence
For speech understanding systems to gain widespread acceptance in office automation, they must feature:

All of these
isolated word recognition
speaker independence
speaker dependence
None of these

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Artificial intelligence
A heuristic is a way of trying __________

To discover something or an idea embedded in a program
To search and measure how far a node in a search tree seems to be from a goal
To compare two nodes in a search tree to see if one is better than the other is
All of the mentioned

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