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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.
Explain elements of language Grammer . As proposed through Noam Chomsky, a grammar G contains the following elements: a. A finite set N of non terminal symbols. b. A f
Depth First Search - artificial intelligence: Depth first search is very similar to breadth first, except for that the things are added to the top of this agenda rather than o
Explain DOS function call with one illustration DOS function call In order to use DOS function calls, always place function number into register AH and load all other re
What kinds of statements are present in an assembly language program? Discuss. An assembly program contains subsequent three types of statements: 1. Imperative statements: The
Cutoff Search : To require a mini and max search in a game on stage situation is, in which all we have is just do that programme our agent to look at the intact that search tr
Q. Write an interrupt routine to handle 'division by zero'? This file can be loaded just like a COM file though makes itself permanently resident until the system is running.
Define USB. The Universal Serial Bus(USB) is an industry standard developed to give two speed of operation known as low-speed and full-speed. They provide simple, low cost and
explain common bus system with the help of neat diagram in basic computer.
Will executing SAP R/3 across the entire PCD division give the division with a competitive benefit? Clarify your answer carefully.
Elucidate the purpose of GDTR. If the microprocessor sends linear address 00200000H to paging mechanism, which paging directory entry and which page table entry is accessed? GD
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