List of top Questions asked in Andhra Pradesh Post Graduate Engineering Common Entrance Test

The maximum number of keys in a B-tree of order 5 with height 3 is _______ .
In _______ relation, each tuple has relation R within it.
The rule which states that addition of same attributes to the right side and left side will result in other valid dependency is classified as _______ .
The separation of the data definition from program is known as _______ .
Natural Join can also be termed as _______ .
Among the four criteria for synchronization mechanism, which of the two criteria are mandatory?
Which SQL operation is not part of the ACID properties?
A B+ tree is preferred over a B-tree for databases because _______ .
In two-phase locking (2PL), a transaction must be _______ .
The isolation level that prevents dirty reads but allows non-repeatable reads is _______ .
In general, there will be _______ inodes than directories in Unix File system.
To ensure that the _______ condition never occurs in the system, we must guarantee that, whenever a process requests a resource, it does not have any other resource.
A _______ architecture assigns only a few essential functions to the kernel, including address spaces, Interprocess communication (IPC), and basic scheduling.
Among priority inversion between two processes, one with high priority and other with low priority that share a critical section will cause which of the following problem?
A currently running process can be put on a ready queue or one of the I/O queues by each of the following except _______ .
Which of the following component of program state is shared across threads in a multithreaded process?
Which of the following frees the CPU from having to deal with transfer of memory to or from I/O device?
In FCFS, I/O bound processes may have to wait long in the ready queue waiting for a CPU bound job to finish. This is known as _______ .
Which of the following is not a three-address code statement?
Which of the following is not shared among threads in the same process?
The primary advantage of user-level threads over kernel-level threads is _______ .
A program uses environment variables to _______ .
Which is not a CPU scheduling criterion?
Which of the following is FALSE?
Let \( P \) be a regular language and \( Q \) be a context free language such that \( Q \) is a subset of \( P \). Then which of the following is ALWAYS regular?