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Explain Elimination of common sub expression during code optimization
An optimizing transformation is a regulation for rewriting a segment of a program to enhance its execution competence without influencing its meaning. One of the methods is "Common sub expression elimination"
In given expression as "(a+b)-(a+b)/4", in this "common sub-expression" termed to the duplicated "(a+b)". Compilers implementing such technique realize that "(a+b)" won't modify, and as such, only compute its value once.
What are the four types of consumer oriented applications of E-commerce? Discuss them briefly. Four types of Consumer Oriented applications in E-Commerce are as follows: 1
Define macros. A macro is a pre-processor directive which is a program that processes the source code before it passes by the compiler. These are placed in the source program
Q. What is basic working of Modem? A modem (modulator/demodulator) is an electronic device that takes digital data as a serial stream of bits and produces a modulated carrier s
Explain the term- Tracker ball and Braille printers Tracker ball Easier to use than a mouse if people have problems using their arms and hands or if they have a coordinati
ASP.NET MVC uses ASP.NET routing, to map incoming browser requests to controller action process. ASP.NET Routing makes use of route table. Route table is formed when your web appli
what is area subdivision and working
The enableEvents() method is used to enable an event for a certain object. Normally, an event is enabled when a listener is added to an object for a certain event. The enableEvents
Potential of Parallelism Problems in the actual world differ in respect of the degree of natural parallelism inherent in the personal problem domain. Some problems may be simpl
Explain The Storage Class extern The Storage Class extern : One method of transmitting information across blocks and functions is to use external variables. When a variable is
What is CMP instruction Comparison instruction (CMP) is a subtraction that changes only the flag bits; destination operand never changes. A comparison is useful for checking th
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