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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.
Describe the properties of Attributesand operations Attributes are named slots for data values that belong to the class. Previously we have studied in MCS-024, different o
Which is more efficient, a switch statement or an if else chain? Ans) The differences, if any, are likely to be small. The switch statement was designed to be efficiently impl
Why floating point number more difficult to represent and process than integer? In floating point numbers we have to show any number in three fields sign, exponent and mantissa
5-pin DIN connector: It is the connector of conventional keyboard which have 5 pins (2 IN, 2 OUT and one ground pin) used for transfer and synchronization.
Syntax and Semanticsx and Semantics for First-order logic - artificial intelligence: Propositional logic is limited in its expressiveness: it may just represent true and false
Restating the Requirements To have clarity of analytical model of system you must state requirements specific performance constraints with optimization criteria in one documen
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What is difference between collaboration on task and event management? Web-based task management application let the user handle the multiple pieces and parts of large projects
Q. Illustrate program on hypothetical machine? The program given in figure above is a hypothetical program which performs addition of numbers stored from locations 2001 onwards
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