The file structure that redefines its first record at a base of zero uses the term
| A. | relative organization |
| B. | key fielding |
| C. | dynamic reallocation |
| D. | all of these |
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Option: A Explanation : Click on Discuss to view users comments. Gokul said: (2:03pm on Sunday 30th April 2017)
Answer is: AThe block number provided by the user to the operating system is normallya relative block number. A relative block number is an index relative to thebeginning of the file. Thus, the first relative block of the file is 0, the next is1, and so on
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The most efficient data set organization is a/an
| A. | sequential file |
| B. | ISAM file |
| C. | variable depending upon the usage of the dataset |
| D. | a partitioned data set |
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Option: C Explanation : Click on Discuss to view users comments. |
Which structure prohibits the sharing of flies and directories ?
| A. | tree structure |
| B. | one level structure |
| C. | two level structure |
| D. | none of these |
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Option: A Explanation : Click on Discuss to view users comments. Gokulnath said: (2:27pm on Sunday 30th April 2017)
Answer: AA tree structure prohibits the sharing of files or directories. An acyclic graph—that is, a graph with no cycles—allows directories to share subdirectoriesand files
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The activity of a file
| A. | is a low percentage of number of records that are added to or deleted from a file |
| B. | is a measure of the percentage of existing records updated during a run |
| C. | refers to how closely the files fit into the allocated space |
| D. | is a measure of the number of records added or deleted from a file compassed with the original number of records |
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Option: A Explanation : Click on Discuss to view users comments. |
Path's name are
| A. | absolute path |
| B. | relative path |
| C. | both (a) and (b) |
| D. | none of these |
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Option: C Explanation : Click on Discuss to view users comments. Gokulnath said: (2:45pm on Sunday 30th April 2017)
Answer: CPath names can be of two types: absolute and relative. An absolute pathname begins at the root and follows a path down to the specified file, givingthe directory names on the path. A relative path name defines a path from thecurrent directory.
sravanigowd said: (3:53am on Thursday 16th November 2017)
absolute starts with the root of the tree or file or directory,where as relative specifys the current directory or file
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