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Software Engineering → Requirement Engineering 4

which is a permanent database in the general model of compiler
Quality Control
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.Pee hole optimization is a form of
Boundary value analysis
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Back-patching is useful for handling
lexical analysis
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pass1
Right most derivations in reverse
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Software Engineering → Software Design 4

which table is a permanent data bases that has an entry for each terminal symbol
All the above
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The optimization which avoids test at every iteration is
Function Points
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Ir stands for
recognition of basic elements and creation of uniform symbols
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pass2
Leftmost derivations
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Software Engineering → Coding Standards 4

The output of lexical analyser is
Quality
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The value of k,in LR(k)cannot be
Evaluating exit criteria and reporting
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An ideal compiler should
machine independent optimization
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A compiler which allows only the modified section of the source code to be re-compiled is called
A->aAa A->aAb A->c
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Software Engineering → Software Testing 4

which of the following system software resides in main memory
Product Metric
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The cost of developing a compiler is proportional to
Test bed
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which of the following is used for grouping of characters into tockens
all of these
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In a two pass assembler pseudo code,equ is to be evaluated during
Canonical LR
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Software Engineering → Debugging 4

.machine independent phase of the compiler is
Performance Testing
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which of the following is the most general phase structured grammar
Sanity Testing
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which of the following class of statements usually produces no executable code when compiled
Terminal table
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In a syntax directed translation scheme,if values of an attribute of a node is a function of the attributes of its children,then attribute is called
syntactic errors
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Software Engineering → Software Maintenance 4

.which of the following is used for grouping of characteristics into tockens
Regression Testing
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Type checking is normally done during
End Users
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Access time of the symbol table will be logarithmic,if it is implemented by
Terminal table
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Software that allows your computer to interact with the user, applications, and hardware is called
loop optimization
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Software Engineering → Introduction to Software Engineering 4

A bottom up parser generates
Equivalence partitioning
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which of the following grammars are not phase structured
White box testing
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A shift reduce parser carries out the actions specified within braces immediately after reducing,with the corresponding rule of the grammar <br>s->xxW{print “1”}<br>s->y{print “2”}<br>w->sz{print “3”}<br>what is the translation of “xxxxyzz”
set of tokens
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Programs that coordinate computer resources, provide an interface between users and the computer, and run applications are called
loop unrolling
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Software Engineering → Software Development Models 3

.A top down parser generates
Priority
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csg can be recognized by
Waterfalls model
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The output of a lexical analyzer is
all of these
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Software Engineering → Waterfall Model 3

which of the following grammer is LR(1)
Defect
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which of the following is not a source error
Design
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Synthesized attribute can be easily simulated by a
all of these
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Software Engineering → Spiral Model 3

which of the following parser is the most powerful
Process based
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A parser with valid prefix property is advantageous because it
accepts a program written in a high level language and produces an object program
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which of the following cannot be used an an intermediate code form
parser SLR,canonical CR and LALR have the same power
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Software Engineering → Agile Model 3

Minimum hamming distance method is used for connection of
User end’s
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ud-chaining is useful for
places programs into memory and prepares them for execution.
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A Language L is defined by L={xn yn |n>1} which of the following definitions generates the same language as L
lexical analyser
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