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Describe about the role of bitmap indexes to solve aggregation problems?
Ans) Bitmaps are very useful in begin schema to join large databases to small databases. Answer queries and bit arrays are used to do logical operations on the databases. Bit map indexes are very well-organized in handling Gender differentiation; also repetitive tasks are performed with much larger efficiency.
Q. What is Charge-coupled Devices? CCDs are employed for storing information. They have arrays of cells that can hold charge packets of electron. A word is signified by a set o
Define dynamic loading. To get better memory-space utilization dynamic loading is used. With dynamic loading, a routine is not loaded unless it is called. All routines are kept
(i) Compiler and Interpreter: These are two types of language translators. A compiler changes the source program (user-written program) into an object code (machine language b
Determine reduced Boolean equation and the Karnaugh Map? Illustration : Determine reduced Boolean equation and the Karnaugh Map for the truth table shown below:
SEARCH is a sequential search from the starting of the table. SEARCH ALL is a binary search, continually dividing the table in two halves until a match is found. SEARCH ALL is more
Entropy - learning decision trees: Through putting together a decision of tree is all a matter of choosing that attribute to test at each node in the tree. Further we shall de
Q. Device drivers in Windows system? In Windows system device drivers are implemented as dynamic link libraries (DLLs). This scheme has advantages which DLLs comprises sharea
Model: It is a entire explanation of something (i.e. system). Meta model: It shows the model elements, syntax and semantics of the notation that permits their manipulatio
Serial Execution Execution of a program serially, one statement at one instance of time. In the simplest case, that's what takes place on a one processor machine. But even mo
A Canvas object gives access to a Graphics object by its paint() method.
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