Question Discussion & Solution

MCQ

Let L1 = {w ? {0,1}? | w has at least as many occurrences
of (110)



                        
                                                                                                
                                        
                                        
                                        
                                            A                                        
                                        
                                        
                                            L1 is regular but not L2                                        
                                    
                                                                    
                                        
                                        
                                        
                                            B                                        
                                        
                                        
                                            L2 is regular                                        
                                    
                                                                    
                                        
                                        
                                        
                                            C                                        
                                        
                                        
                                            L1 and L2 are regular                                        
                                    
                                                                    
                                        
                                        
                                        
                                            D                                        
                                        
                                        
                                            Neither of them are regular                                        
                                    
                                                                                    

                        
                            Correct Answer: A
                            L1 is regular but not L2



            
                
                    
                    
                        
                            report Report Error
                        
                        
                    

                    
                        
                        
                            Select Issue Type
                            
                                                                
                                    
                                    Wrong Question
                                
                                                                
                                    
                                    Wrong Answer
                                
                                                                
                                    
                                    Formatting Issue
                                
                                                                
                                    
                                    No Solution
                                
                                                                
                                    
                                    Wrong Translation
                                
                                                                
                                    
                                    Copyright Issue
                                
                                                                
                                    
                                    Others
                                
                                                            
                        

                        
                            
                                
                                    Selected Issue
                                    
                                
                                
                            

                            
                                Please provide more details (Optional)
                            
                            
                        
                        
                    

                    
                        
                        
                    
                
            
            
                

            
            
                
                    forum Community Discussion
                
                
                
                    
                                        
                    
                        
                        
                            speaker_notes_off
                            No discussions yet. Be the first to start!
                        
                        
                        
                            
                                sync
                                Loading more...
                            
                        
                        
                    

                    
                                                    
                                You must be logged in to participate in the discussion.
                                
                                    login Login to Discuss
                                
                            
                                            
                
            

                            
                    
                        auto_awesome Similar Questions
                    
                
                
                
                    
    
        
            
                MCQ            
            
        

        
            
                1.
                The non terminal that gives null will said to have a null production
            

            
                                                            
                            
                            A
                            
                                TRUE                            
                        
                                            
                            
                            B
                            
                                FALSE                            
                        
                                            
                            
                            C
                            
                                Can be true or false                            
                        
                                            
                            
                            D
                            
                                Can not say                            
                        
                                                

            
                Correct Answer: A
                True, The non terminal that gives null will said to have a null production.
            
        

        
            
            
                            
                    forum Discussion
                
                    
    

    
        
            
            
                
                    report Report Error
                
                
            

            
                
                    Select Issue Type
                    
                                                
                            
                            Wrong Question
                        
                                                
                            
                            Wrong Answer
                        
                                                
                            
                            Formatting Issue
                        
                                                
                            
                            No Solution
                        
                                                
                            
                            Wrong Translation
                        
                                                
                            
                            Copyright Issue
                        
                                                
                            
                            Others
                        
                                            
                

                
                    
                        
                            Selected Issue
                            
                        
                        
                    

                    
                        Please provide more details (Optional)
                    
                    
                
            

            
                
                
            
        
    
    
    
        
            
                MCQ            
            
        

        
            
                2.
                Union of two languages L and M is written as?
            

            
                                                            
                            
                            A
                            
                                LM = {st | s is in L and t is in M}                            
                        
                                            
                            
                            B
                            
                                L+M                            
                        
                                            
                            
                            C
                            
                                L*M                            
                        
                                            
                            
                            D
                            
                                L U M = {s | s is in L or s is in M}                            
                        
                                                

            
                Correct Answer: D
                Union of two languages L and M is written as
L U M = {s | s is in L or s is in M}
            
        

        
            
            
                            
                    forum Discussion
                
                    
    

    
        
            
            
                
                    report Report Error
                
                
            

            
                
                    Select Issue Type
                    
                                                
                            
                            Wrong Question
                        
                                                
                            
                            Wrong Answer
                        
                                                
                            
                            Formatting Issue
                        
                                                
                            
                            No Solution
                        
                                                
                            
                            Wrong Translation
                        
                                                
                            
                            Copyright Issue
                        
                                                
                            
                            Others
                        
                                            
                

                
                    
                        
                            Selected Issue
                            
                        
                        
                    

                    
                        Please provide more details (Optional)
                    
                    
                
            

            
                
                
            
        
    
    
    
        
            
                MCQ            
            
        

        
            
                3.
                For the following grammar: S ? A | B | 2 A ? C0 | D B ? C1 | E C ? D | E | 3 D ? E0 | S E ? D1 | S Identify all the unit pairs
            

            
                                                            
                            
                            A
                            
                                D,C                            
                        
                                            
                            
                            B
                            
                                A,B                            
                        
                                            
                            
                            C
                            
                                B,C                            
                        
                                            
                            
                            D
                            
                                A,C                            
                        
                                                

            
                Correct Answer: A
                
            
        

        
            
            
                            
                    forum Discussion
                
                    
    

    
        
            
            
                
                    report Report Error
                
                
            

            
                
                    Select Issue Type
                    
                                                
                            
                            Wrong Question
                        
                                                
                            
                            Wrong Answer
                        
                                                
                            
                            Formatting Issue
                        
                                                
                            
                            No Solution
                        
                                                
                            
                            Wrong Translation
                        
                                                
                            
                            Copyright Issue
                        
                                                
                            
                            Others
                        
                                            
                

                
                    
                        
                            Selected Issue
                            
                        
                        
                    

                    
                        Please provide more details (Optional)
                    
                    
                
            

            
                
                
            
        
    
    
    
        
            
                MCQ            
            
        

        
            
                4.
                NFA-?s are defined because certain properties can be more easily proved on them as compared to NFA.
            

            
                                                            
                            
                            A
                            
                                True                            
                        
                                            
                            
                            B
                            
                                False                            
                        
                                            
                            
                            C
                            
                                May be                            
                        
                                            
                            
                            D
                            
                                Can't say                            
                        
                                                

            
                Correct Answer: A
                
            
        

        
            
            
                            
                    forum Discussion
                
                    
    

    
        
            
            
                
                    report Report Error
                
                
            

            
                
                    Select Issue Type
                    
                                                
                            
                            Wrong Question
                        
                                                
                            
                            Wrong Answer
                        
                                                
                            
                            Formatting Issue
                        
                                                
                            
                            No Solution
                        
                                                
                            
                            Wrong Translation
                        
                                                
                            
                            Copyright Issue
                        
                                                
                            
                            Others
                        
                                            
                

                
                    
                        
                            Selected Issue
                            
                        
                        
                    

                    
                        Please provide more details (Optional)
                    
                    
                
            

            
                
                
            
        
    
    
    
        
            
                MCQ            
            
        

        
            
                5.
                Which one of the following languages over the alphabet {0, 1} is described by the regular expression: (0+1)*0(0+1)*0(0+1)*?
            

            
                                                            
                            
                            A
                            
                                strings with the substring 00                            
                        
                                            
                            
                            B
                            
                                strings with at most two 0                            
                        
                                            
                            
                            C
                            
                                strings with at least two 0                            
                        
                                            
                            
                            D
                            
                                strings beginning and ending with either 0 or 1                            
                        
                                                

            
                Correct Answer: C
                strings with at least two 0
            
        

        
            
            
                            
                    forum Discussion
                
                    
    

    
        
            
            
                
                    report Report Error
                
                
            

            
                
                    Select Issue Type
                    
                                                
                            
                            Wrong Question
                        
                                                
                            
                            Wrong Answer
                        
                                                
                            
                            Formatting Issue
                        
                                                
                            
                            No Solution
                        
                                                
                            
                            Wrong Translation
                        
                                                
                            
                            Copyright Issue
                        
                                                
                            
                            Others
                        
                                            
                

                
                    
                        
                            Selected Issue
                            
                        
                        
                    

                    
                        Please provide more details (Optional)
                    
                    
                
            

            
                
                
            
        
    
                    
            
            
                
                    category More Compiler Design Topics
                
            

            
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Compiler Design Basics                            
                            
                            
                                format_list_bulleted
                                61 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Non Deterministic Finite Automata                            
                            
                            
                                format_list_bulleted
                                26 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Lexical Analysis                            
                            
                            
                                format_list_bulleted
                                64 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Regular Expressions                            
                            
                            
                                format_list_bulleted
                                64 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Finite Automata                            
                            
                            
                                format_list_bulleted
                                48 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Syntax Analyser                            
                            
                            
                                format_list_bulleted
                                29 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Semantic Analyser                            
                            
                            
                                format_list_bulleted
                                11 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Run Time Environment                            
                            
                            
                                format_list_bulleted
                                10 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Code Generation                            
                            
                            
                                format_list_bulleted
                                12 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Code Optimization                            
                            
                            
                                format_list_bulleted
                                22 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Parsing                            
                            
                            
                                format_list_bulleted
                                110 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Transformation from NFA to DFA                            
                            
                            
                                format_list_bulleted
                                15 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Cross Compiler                            
                            
                            
                                format_list_bulleted
                                15 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward
                            
                        
                    
                                    
                        
                            
                            
                                article
                            
                            
                            
                                Epsilon Moves                            
                            
                            
                                format_list_bulleted
                                15 MCQs
                            
                        
                        
                        
                            
                                Practice arrow_forward



    
    

    
        
            
            
                
                    
                        school
                    
                    
                        ExaMocks                    
                
                
                    At ExaMocks, we believe that anyone can achieve their goals with the right practice. We are on a mission to reshape exam preparation with a best-in-class mock test experience.
                
                
                    
                
            
            
            
                Explore
                
                    chevron_right Browse Exams
                    workspace_premium Premium Pass
                    terminal Computer Science MCQ
                    android Android App
                
            

            
                Get in Touch
                
                    
                        
                            email
                        
                        
                            Email Support
                            
                                support@examocks.in                            
                        
                    
                                        
                        
                            call
                        
                        
                            Call Us
                            
                                6375051814                            
                        
                    
                                    
            
            
        

        
            
                © 2026 ExaMocks. All rights reserved.
            
            
                Terms
                Privacy
                Contact

Banking

Engineering

General

Medical

Question Discussion & Solution

Report Error

Community Discussion

Similar Questions

Report Error

Report Error

Report Error

Report Error

Report Error

More Compiler Design Topics

Compiler Design Basics

Non Deterministic Finite Automata

Lexical Analysis

Regular Expressions

Finite Automata

Syntax Analyser

Semantic Analyser

Run Time Environment

Code Generation

Code Optimization

Parsing

Transformation from NFA to DFA

Cross Compiler

Epsilon Moves