Context-free grammars
If Context-free grammars can symbolize every regular expression, then why do one requires R.E at all?
Expert
The reasons are as follows:
a) Regular Expression are Simpler than the Context-free grammars.
b) This is simpler to construct a recognizer for R.E than the Context-Free grammar.
c) Breaking the Syntactic structure to Lexical and non-Lexical parts give better front end for the Parser.
d) R.E is most powerful in explaining the lexical constructs such as identifiers, keywords and so on while Context-free grammars in symbolizing the nested or block structures of the Language.
Write down the main or core roles in the Scrum?
Write down differentiation between iterative model and waterfall model.
Describe the various types of cards produced by the assembler? Elaborate all the types.
Briefly describe the XmlWriter class.
Give a brief explanation of Clone process.
Specify whether Type-1 Hypervisor’s performance is better in comparison to the Type-2 Hypervisors, also specify some reasons for your answer.
State various reasons for delays within the GSM for the packet data traffic?
Write down in brief the meaning of Tasks. Illustrate.
In the motherboard what if we build a special memory bank?
Describe the use of API in the cloud services.
18,76,764
1952548 Asked
3,689
Active Tutors
1446669
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!