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What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why?
Abstract classes are closely related to interfaces. They are classes that cannot be instantiated, and are frequently either partially executed, or not at all implemented. One key difference among abstract classes and interfaces is that a class may execute an unlimited number of interfaces, but may inherit from only single abstract (or any other kind of) class. A class that is derived from an abstract class may still execute interfaces. Abstract classes are useful when creating components because they permit you specify an invariant level of functionality in some methods, but leave the implementation of other methods until a specific implementation of that class is required. They also version well, because if additional functionality is required in derived classes, it can be added to the base class without breaking code.
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State and prove Demorgan's second theorem Proof: Demorgan's second theorem = A‾ + B‾ The two sides of the equation here = A‾ + B‾ is represented through the logic d
A sorting algorithm is stable if Preserves the original order of records with equivalent keys.
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Explain with the help of Nyquist theorem, the data rate limitations in PSTN's. Data rates in PSTNs : A voice channel in a public switched telephone network is band restricted
When signed numbers are used in binary arithmetic, then which one of the notations would have unique representation for zero ? Ans. When signed numbers are utilized in binary ar
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What is the protocol used by SAP Gateway process? The SAP Gateway method communicates with the clients based on the TCP/IP Protocol.
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What is a Data Class? The Data class verifies in which table space the table is stored when it is formed in the database
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