Question 51 : If P & R are regular and also given that if PQ=R, then
1. Q has to be regular
2. Q cannot be regular
3. Q need not be regular
4. Q has to be a CFL
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Question 52 : Assume the statements S1 and S2 given as:
S1: Given a context free grammar, there exists an algorithm for determining whether L (G) is infinite.
S2: There exists an algorithm to determine whether two context free grammars generate the same language.
Which of the following is true?
1. S1 is correct and S2 is not correct
2. Both S1 and S2 are correct
3. Both S1 and S2 are not correct
4. S1 is not correct and S2 is correct
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Question 53 : Semantic Analyser is used for?
1. Generating Object code
2. Maintaining symbol table
3. Generating Object code & Maintaining symbol table
4. None of the mentioned
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Question 54 : What does a Syntactic Analyser do?
1. Maintain Symbol Table
2. Collect type of information
3. Create parse tree
4. None of the mentioned
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Question 55 : By whom is the symbol table created?
1. Compiler
2. Interpreter
3. Assembler
4. None of the mentioned
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Question 56 : In Short Syntax Analysis Generates Parse Tree
1. True
2. False
3.
4.
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Question 57 : Suppose One of the Operand is String and other is Integer then it does not throw error as it only checks whether there are two operands associated with '+' or not .
1. True
2. False
3.
4.
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Question 58 : Type checking is normally done during?
1. Lexical Analysis
2. Syntax Analysis
3. Syntax Directed Translation
4. Code generation
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Question 59 : Which of the following system software resides in the main memory always
1. Text Editor
2. Assembler
3. Linker
4. Loader
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Question 60 : A system program that combines the separately compiled modules of a program into a form suitable for execution?
1. Assembler
2. Compiler
3. Linking Loader
4. Interpreter
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