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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.
Define briefly about Extranet. Extranet: Extranet is Extension of an Intranet which makes the latter available to outside companies or individuals along with or without
Bitwise Operators Like other operators bitwise operators have rules of precedence and associativity that determine how expressions involved them are evaluated.
Procedure Level Here, parallelism is obtainable in the form of parallel executable procedures. In that case, design of algorithm plays a key role. E.g. every thread in Java is
Compare a decoder and a demultiplexer with suitable block diagrams. Ans. Demultiplexer has similar circuit as decoder but here e is obtained as the particular input line, the
A school district has I neighbourhoods, J schools and G grades at every school. Every school j has a capacity of C jg for grade g. In every neighbourhood i, the student population
explain about cloud computing
Q. Show the Hypothetical Instruction Format of 32 bits? A sample instruction format is shown in figure below. Figure: A Hypothetical Instruction Format of 32 bits
an asyncronous sequential circuit is described by the the exitatio function and the output function y=x1x2''+(x1=x2'')y output function z=y a)draw the logic diagram of the circuit.
Erlang is used to (A) Measure busy period (B) Give total busy period in minutes (C) Measure average call rate (D) Indicate total call period Ans
List the criteria on the basis of which data structures used in language processing can be classified. In language processing the data structures utilization can be classified
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