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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.
Some of the fundamental considerations for instruction set design includes selection of: A set of data-types (For example: integers, long integers, doubles, character strin
Define miss penalty? The extra time required to bring the desired information into the cache is known as miss penalty.
Convenience of Environments -artificial intelligence: In some cases, some aspects of an environment which should be taken into account in decisions about actions may be unavai
What is cache memory? It is a small, fast memory that is inserted among large, slower main memory and the processor. It decreases the memory access time
Discuss the advantages of automatic switching systems over manual switching system. Automatic switching systems have some advantages over the manual exchanges: 1. In a manua
In .NET Compact Framework, can I free memory explicitly without waiting for garbage collector to free the memory? Yes you can clear the memory using gc.collect method but it i
Explain non-pre-emptive algorithms? Non preemptive algorithms: In this algorithm a job is provided to CPU for execution as long as the job is non-completed the CPU cannot
The NOR gate output will be low if the two inputs are ? Ans. Output is low if any of the input is high means input may be 01,10 or 11.
Explain MDR and MAR. The data and address lines of the external memory bus linked to the internal processor bus by the memory data register, MDR and the memory address register
Q. How can data and instructions are put into the computers? The data and instructions to a computer are provided by external environment. It determines that input devices are
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