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Study the following information and select guilty person. Ram was visiting a place where inhabitants always answer any question with two sentences. One of these is always true while other is always false. While on the visit he found that his bag has been stolen and he suspected three persons those visited his guest room. He was sure that only one person is guilty. When he questioned them they replied as follows. R ∶ S did not do it. I did not do it. S ∶ I did not do it. P did not do it. T ∶ I did not do it. I did not know who did it.
Consider a Simple Checkpointing Protocol and the following set of operations in the log. (start, T4); (write, T4, y, 2, 3); (start, T1); (commit, T4); (write, T1, z, 5, 7); (Checkpoint); (start, T2); (write, T2, x, 1, 9); (commit, T2); start, T3); (write, T3, z, 7, 2); if a crash happens now and the system tries to recover using both undo and redo operations, what are the contents of the undo list and the redo list?
Consider a simple checkpointing protocol and the following set of operations in the log. (start, T4); (write, T4, y, 2, 3); (start, T1); (commit, T4); (write, T1, z, 5, 7); (checkpoint); (start, T2); (write, T2, x, 1, 9); (commit, T2); (start, T3), (write, T3, z, 7, 2); If a crash happens now and the system tries to recover using both undo and redo operations, what are the contents of the undo list and the redo list?
SCADA stand for
SCADA meaning
In SCADA system network, the Repeaters are used to increase the
For whom was the SCADA technique first used?
What is the function of Data Link Layer in SCADA communication protocol: OSI seven-layer model?
What is full form of SCADA?
Which unit of SCADA is used to collecting the data and store the data in database, provide the interface to operator and send the information to other system?