| 21. | Which of the following can be used as a criterion for classification of data structures used in language processing ? |
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Answer: (d).all of the above.
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| 22. | The OS of a computer may periodically collect all the free memory space to form contiguous block of free space. This is called |
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Answer: (b).Garbage collection
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| 23. | A linear list of elements in which deletion can be done from one end (front) and insertion can take place only at the other end (rear) is known as a |
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Answer: (a).queue
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| 25. | The concepts in programming languages are essential knowledge to anyone who wants to become skilled in_________________. |
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Answer: (a).Computer programming
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| 26. | Which model is used to organize data in the main memory is called data structure? |
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Answer: (d).All of the above
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| 27. | A ________is a linear list of data elements in which the addition of a new element or the deletion of an element occurs only at one end. |
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Answer: (c).Stack
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| 28. | The hierarchical relationship between data elements can be easily represented using a nonlinear data structure called_______. |
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Answer: (a).Tree
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| 29. | What is the process of finding the location of a given data element in the data structure called? |
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Answer: (d).Searching
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| 30. | What plays an important role in programming? |
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Answer: (a).Data
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