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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.
A three stage network is realized by using switching matrices of size p x s in stage 1, r x r matrices in stage 2 and s x p matrices in stage 3. Using the Lee's probability graph s
What functions connect( ) and accept ( ) call in Socket interfacing? connect() system call: Clients use procedures connect to initiate connection with an exact server. The
Expain the working of associative memory
Fully Parallel Associative Processor (FPAP): This processor accepts the bit parallel memory organisation. FPAP has two type of this associative processor named as: Word Org
When we initialize the form at that time if we require to set any variable's value then we can set it by defining in constructor. Constructor's name always similar as class name an
What are the different tones used in strowger telephony? Explain with the help of waveforms and the timings. Dial Tone: it is used to indicate that the exchange is ready to r
What are the uses of Ramps? Ramps: It is a network planning method which makes the most efficient use of manpower, cash resources and materials among various projects go
what is an input?
Explain 100 line exchange with two-motion line finders. Design: In such design, here are 24 line finders. When any of the 100 subscribers has to find access to any of the 24
HCP
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