RR scheduler maintains larger quantum then choose the wrong statement from the following.
Assume time quantum of RR scheduler is greater than longest CPU burst time of all processes. Which of the following is correct?
What is the role of short term scheduler?
Which of the following statements is correct for deadlock avoidance algorithm
Which of the following is not the disc scheduling algorithm.
What do you understand by busy waiting?
We use Bernstein’s algorithm using concept of read-set and write-set to determine
In a relation r, if every attribute is prime but key may not be simple then the relations is in.
Consider the following characteristics of a disk system. • 10 GB disk rotates at 10,000 rpm • Data transfer rate of 107 bytes/sec • Average seek time is 8 ms • Block size is 32 KB What is the average service time to retrieve a single disk block from a random location on the disk (in ms)?
Suppose that we have the following three tuples in a legal instance of a relation schema S with three attributes ABC (listed in order): (1,2,3), (4,2,3), and (5,3,3).Which of the following dependencies can you infer does not hold over schema S?
Consider a B+ tree in which the maximum number of keys in a node is 7. Find the number of keys(minimum) in non-root node.
A secondary index on a non candidate key
Which command undo all the updates performed by the SQL in the transaction?
Which of the following operators is used to search a specified pattern in a column?
Consider the following schedule. r1(x), r1(y),w1(x),w2(x),w3(x) Which of the following is true regarding the given schedule.