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Write short note on code optimization.
Code optimization: It is the optional phase designed to enhance the intermediate code therefore the Ultimate object program runs quicker or takes less space. It in compilers aims at enhancing the execution efficiency of a program through eliminating redundancies and through rearranging the computations into the program without influencing the real meaning of the program.
Scope - Very first optimization seeks to enhance a program rather than the algorithm utilized in the program. Therefore replacement of algorithm through a more efficient algorithm is beyond the scope of optimization. As well efficient code generation for an exact target machine also lies outside its scope.
The structure of program and the way in that data is defined and used in this provide vital clues for optimization.
Give some examples of malicious data. In May 2002 year, the Norton Anti-Virus software for Windows operating systems detected around 61000 malicious programs. Several of them a
what is inheritence and all types in java?
how to implement car rental system program.
How many AND gates are required to realize Y = CD+EF+G ? Ans. Y = CD + EF + G for realize this two AND gates are needed (for CD and EF).
Address translation: Compiler time : If it is known in advance that a program will reside at a particular location of primary memory, and then the compiler can be told to
Why is catch (Exception) almost always a bad idea? Well, if at that point you know that an error has happened, then why not write the proper code to handle that error instead
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Q. Explain about Magnetic Disk? A disk is circular platter constructed of nonmagnetic material known as substrate, coated with a magnetisable material. This is used for storing
How do you make programs portable on Unix and Does under such circumstances? Constructors are invoked themself when the object is created for a class. There may be any number o
What is locality of reference? Analysis of program represents that many instructions ion localized areas of the program are implemented repeatedly during some time period, and
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