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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.
Binary Search Now that the basic framework is working, it is time to begin implementing a few alternative search functions. Each of these search algorithms have strengths and
How many two input AND gates and two input OR gates are required to realize Y = BD+CE+AB ? Ans. Here three product terms, therefore three AND gates of two inputs are needed.
Hiding data within the class and making it available only by the methods. This method is used to protect your class against accidental changes to fields, which might leave the clas
Q. Explain the Instruction Decode? Instruction Decode: This phase is performed under control of Control Unit of computer. The Control Unit determines the operation which is t
Q. State the difference between following. i. RAM and ROM ii. SRAM and DRAM iii. Dynamic and static MOS memories
what is Throw-way model.
Futoshiki is a game played on an N by N (usually 5 by 5) grid and uses the symbols 1 .. N. The objective of the game is to place each symbol on the grid so that it only occurs once
what is Ambiguity in single inheritance
Q. Editor - Tools necessary for assembly language programming? The editor is a program which allows the user to enter and modify as well as store a group of instructions or tex
(a) Write short notes on displacement only addressing mode. (b) Explain the formats of a 80-bit floating point number. (c) Given the following assembly program. Instructi
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