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Question 1 reset
Which of the following is not a logical data-base structure?
Question 2 reset
The modify operation is likely to be done after
Question 3 reset
In SQL, which command(s) is/are used to enable/disable a database trigger?
Question 4 reset
In order to allow only one process to enter its critical section, binary semaphore are initialized to
Question 5 reset
Moving process from main memory to disk is called
Question 6 reset
Operating system functions may include
Question 7 reset
Which is a permanent database in the general model of compiler?
Question 8 reset
Which of the following system software does the job of merging the records from two files into one?
Question 9 reset
An example of a hierarchical data structure is
Question 10 reset
The angle between two vectors \[a = i+2j-k\] and \[b=2i+j+k\] is

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