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Explain difference between Scanning and parsing.
Scanning and parsing: Scanning process is the process of recognizing the lexical components in a source string whereas parsing is the process of checking the validity of a source string, and to find out its syntactic structure. The purpose for separating scanning from parsing is that the lexical characteristics of a language can be specified by using Type-3 grammars. All Type-3 production identifies lexical components is also a Type-2 production. Conversely, a recognizer for Type-3 productions is easier, simple to build and more efficient throughout execution than a recognizer for Type-2 productions. Therefore it is better to handle the lexical and syntactic elements of a source language separately.
Fail-first - artificial intelligence: Alternatively one such dynamic ordering procedure is known like "fail-first forward checking". In fact the idea is to take advantage of i
In computer science, garbage collection (GC) is a form of automatic memory management. The garbage collector, or just collector, attempts to reclaim garbage, or memory occupied by
Write an applet that can interact with both the HTTP client and HTML interpreter in a browser. import java.applet.*; import java.net.*; // import pac
Why does DMA have priority over the CPU when both request a memory transfer? The data transfer monitored by DMA controller which is called as DMA channel. The CPU is included o
Explain the term- macro? A term macro is a set of instructions, which can be executed repeatedly. It is useful for automating certain routine tasks like printing reports etc. T
why impotant keys
Commutativity of Connectives : In this you will be aware of the fact that some arithmetic operators that have a property which it doesn't matter that way around you give the o
What are Grouping Notations These notations are boxes into which a model could be decomposed. Their elements includes of packages, frameworks and subsystems.
Differentiate between QA and testing. - Quality Assurance is more a stop thing, ensuring quality in the company and thus the product rather than just testing the product for so
Q. Show the Classification of Printers? Printers can be classified on following bases: a) Impact: Impact printers print by impact of hammers on ribbon (for example Dot-Matri
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