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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.
What is elapsed time of computer system? The total time to implement the total program is known as elapsed time. It is affected by the speed of the processor, the disk and the
Advantages of Encapsulation You can also delay the resolution of the details until after the design. You can keep your code modular.
Multiprogramming is a rapid switching of the CPU back and forth among processes.
Q. What is Master slave kernel? Master slave kernel: In this model just one of processors is assigned as Master. The master is in charge for subsequent activities: i)
Accessibility testing for web sites is a service that can give much more than the standard point-by-point testing methods of most automated services.
Classify Scheduler. Scheduler is a kernel function decide which method be thought to be implemented by the processor: the scheduler scans the list of processes in the ready s
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
a. Sketch the excitation diagram indicating the last states and next states. b. Build the circuit using a Synchronous Counter with JK FF and NAND gates only. Replicate the circ
Search Methods and Heuristics - Artificial intelligence: Here now we come to the question of how constraint solvers search for solutions -constraint preserving coursework of v
Amdahl's law is suitable for applications where response time is critical. On the other hand, there are a lot of applications which need that accuracy of the resultant output shoul
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