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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.
What is the difference between wire and reg? Net types: (wire,tri)Physical connection between structural elements. Value assigned by a continuous assignment or a gate output.
Hubs are present in the network To interconnect the LAN with WANs.
Q. How to Correct the error condition while copying file in DOS? In most case, DOS allows you to correct the error condition and retry the command (by pressing R). If the drive
Define Edge-triggered S-R flip-flop Basic Symbol small triangle, called the dynamic input indicator, is used to identify an edge-triggered flip-flop. Truth Table.
What is the chief advantage of using virtual packets instead of frames? The router can't transfer a copy of a frame from one kind of network to another since the frame formats
how to calculate delay for hazard?
In sense of Database Management System (DBMS) LOGICAL DATABASE is a database Structure. False LOGICAL DATABASE is not a database Structure.
Advanced aspects of assembly language programming in this section. A number of these aspects give assembly an edge over high level language programming as far as efficiency is conc
The major domains of AI research and development. AI applications can be grouped under three major areas cognitive science robotics and natural interfaces though these class
Explain the difference between a subroutine & macro. It is inefficient to have to write code for standard routines. For instance reading a character form the keyboard or savin
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