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Explain Garbage collection
In this method two passes are made over the memory to identify new areas. In the first pass it traverses all pointers pointing to allocated areas and marks the memory areas which are in use. The second pass finds out all unmarked areas and declares them to be free. The garbage collection overheads are not incremental. They are acquired every time the system runs out of free memory to allocate to new requests. Two major approaches to reuse free memory area in a heap are:
First-fit: Allocate the first hole which is big enough. Searching can start either at the starting of the set of holes or where the previous first-fit search ended. Searching is stopped when a free hole is found that is large enough
Best-fit: Allocate the smallest hole which is big enough; whole list is searched, unless ordered by size. This strategy generates the smallest leftover hole.
Mathematical Simulation and Modeling Applications The tasks including modeling and mathematical simulation require a lot of parallel processing. Three basic formalisms in model
Explain macro definition. A unit of specification for a program generation is termed as a macro. This consists of name, body of code and set of formal parameters.
Objectives of object oriented analysis After going through this unit, you should be able to: define the concepts of the objects in the system; express desired syste
Define device interface. The buffer registers DATAIN and DATAOUT and the status flags SIN and SOUT are part of circuitry commonly called as a device interface.
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write a program to find the area under the curve y=f(x) between x=a and x=b,integrate y=f(x) between the limits of a and b
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how can we find compound interest through flowchart
In8085 are of the following statements is not true.A) Co-processor is interfaced in max mode. B) Co-processor is interfaced in MIN mode C )Co-processor is interfaced in max/min mod
What are problems of clock skew? This is typically because of two causes. The primary is a material flaw that causes a signal to travel faster or slower than imagined. The seco
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