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Explain Yet another Compiler-Compiler.
YACC uses for "Yet another Compiler-Compiler": Computer program input usually has some structure; actually, all computer programs which does input can be thought of as defining an "input language" which this accepts. An input language may be as complex as a programming language or as easy as a sequence of numbers. Unfortunately, common input facilities are restricted, difficult to utilize, and often are lax about checking their inputs for validity.YACC gives a general tool for explaining the input to a computer program. The YACC user gives the structures of his input, together along with code to be invoked as each such structure is knows. YACC turns such a specification into a subroutine which handles the input process; frequently, this is appropriate and convenient to have most of the flow of control in the user's application handled through this subroutine. The output from YACC is LALR parser for the input programming laughing.
Assume that a graph has a minimum spanning tree already computed. How fastly can the minimum spanning tree be updated if a new vertex and incident edges are added to G? If the
The Work Systems Framework - Information System Adler writing in 1992 used the phrase 'stumbling backwards into the future' to describe the neglect organisations at that time
MECHANICS OF STRUCTURED ANALYSIS
Design a mod-12 Synchronous up counter. Ans. Design of a mod 12 synchronous counter by using D-flipflops. I state table Present state Next
Explain the characteristics of vector processing
Explain the meaning of ACCEPT socket primitive. The Accept Primitive: A server which uses connection-oriented transport should call procedure accepts to accept
Problem (a) Forensic methodology consists of three phases. Briefly explian these three phases. (b) Sometimes it's best not to perform hard-disk acquisition. Provide two
haw to convert context free grammar to regular grammar
Define miss rate? It is the number of misses' states as a fraction of attempted accesses.
Q. Explain about distributed systems? A Distributed System in that Data, Process and Interface component of information System are distributed to many locations in a computer n
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