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What is a semaphore?
Semaphore: It is a synchronization tool which gives a general-purpose solution to controlling access to critical sections.
How do you ensure that our records are scanned accurately? Not only do we have a highly trained and capable staff, we also have quality controls in place to make sure your reco
Hubs are present in the network To interconnect the LAN with WANs.
Q. What is Collective Message Passing? In collective message passing all the processes of a group take part in communication. MPI offers a number of functions to apply the coll
PVM is mainly a simulation of a computer machine running parallel programs. It is a software package that allows a heterogeneous collection of UNIX and/or Windows computers hooked
Uniform Memory Access Model (UMA) In this model, the main memory is uniformly shared by all processors in multiprocessor systems and each processor has equal access time to sha
What is Race-around problem? How can you rectify this? The clock pulse which remains into the 1 state whereas both J and K are equal to 1 will reason the output to complement a
Why address bus is unidirectional and data bus is bidirectional? Ans) Because there is no require address transaction among processor and peripheral device but data bus is req
What is a Size Category? The Size category verifies the probable space needs of the table in the database.
What are primary keys and foreign keys? Primary keys are the unique identifiers for every row. They must have unique values and cannot be null. Due to their significance in rel
what is time out based schemes in concurrency control
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