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A relation schema R is in BCNF with respect to a set F of functional dependencies if for all functional dependencies in F+ of the form a->b, where a and b is a subset of R, at least one of the following holds:
* a->b is a trivial functional dependency (b is a subset of a)
* a is a superkey for schema R
Is it possible to decrease clock skew to zero? Describe your answer? Even if there are clock layout strategies (H-tree) which can into theory reduce clock skew to zero by havi
Timing for both read and update transactions should be gathered to verify whether system functions are being performed in an acceptable timeframe. This should be done standalone an
Given a four level hierarchical storage system consisting of: cache, primary storage, secondary storage, and tertiary storage. Suppose the following: programs may be executed on
Advantage to depth first search: It just looks like it will be a long period it finds 'DAN' until. This highlights an important drawback for depth first search. It can regular
What are escape sequences characters? List any six of them. The characters which when used with output functions like printf( ),putc(),put() etc. helps in formatting the outpu
The 68HC11F1 has two types of serial ports namely asynchronous (SCI) and synchronous (SPI). The most common form of communication device used in control is the SCI as this provides
Define Multiprogramming. Multiprogramming: A multiprogramming operating system is system which allows extra than one active user program or part of user program to be store
The typicality of virtual addresses is that: They are longer than physical addresses because total addressed memory in virtual memory is more than actual physical memory.
Virtual Memory is a way of extending a computer's memory by using a disk file to replicate add'l memory space. The OS remain track of these add'l memory addresses on the hard disk
How does VB.NET/C# achieve polymorphism? VB.Net / C# give polymorphism through the following mechanisms: 1. Inheritance - base class gives overridable methods which are re-
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