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Thread: cs606 subjective paper fall 2010 on 18-02-2011 Download

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    cs606 subjective paper fall 2010 on 18-02-2011 Download

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    Download cs606 please upload your own paper.
    Also all the papers are in the form of down-loadable in the form of quiz.

    Q#1
    Parser takes tokens from scanner and tries to generate _______________ .
    Select correct option:
    Binary Search tree
    Parse tree
    Syntax trace
    None of the given

    Q# 2
    is enough to make a grammar LL(1).
    Select correct option:
    True
    False

    Question # 3
    __________________ phase which supports macro substitution and conditional compilation.
    Select correct option:
    Semantic
    Syntax
    Preprocessing
    None of given
    Question # 4 Flex is an automated tool that is used to get the minimized DFA (scanner).
    Select correct option:
    True
    False

    Question # 5
    Consider the grammar A --> B C D
    B --> h B | epsilon
    C --> C g | g | C h | i
    D --> A B | epsilon
    Follow of B is _____________ .
    Select correct option:
    h
    g, h, i, $
    g, i
    g

    Question # 6
    Consider the grammar A --> B C D
    B --> h B | epsilon
    C --> C g | g | C h | i
    D --> A B | epsilon
    Follow of C is _____________ .
    Select correct option:

    g, h, i, $
    g, h, $
    h, i, $
    h, g, $

    Question # 7: Alternative of the backtrack in parser is Look ahead symbol in _________ .
    Select correct option:

    Input
    Output
    Input and Output
    None of the given


    Question # 8: Typical compilation means programs written in high-level languages to low-level ____________.
    Select correct option:
    Object code
    Byted code
    Unicode
    Both Object Code and byte code

    Question # 9:In Flex specification file different sections are separated by _________________ .
    Select correct option:

    %%
    &&
    ##
    \\

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    Question # 10: In DFA minimization we construct one _______________ for each group of states from the initial DFA.
    Select correct option:

    State
    NFA
    PDA
    None of given




    Question # 1 of 10 ( Start time: 11:19:10 PM ) Total Marks: 1
    Flex is an automated tool that is used to get the minimized DFA (scanner).
    Select correct option:
    True
    False
    Sajid: t
    11:20 PM me: f ker diya

    Question # 2
    An important component of semantic analysis is __________________ .
    Select correct option:
    code checking
    type checking
    flush checking
    None of the given
    Question # 3
    In PASCAL ___________ represent the inequality test.
    Select correct option:
    :=
    =
    <>
    None of the given
    Question # 4
    LR parsing ______________ a string to the start symbol by inverting productions.
    Select correct option:
    Reduces
    Shifts
    Adds
    None of the given
    Question # 5
    In Three-pass compiler _____________ is used for code improvement or optimization.
    Select correct option:
    Front End
    Middle End
    Back End
    Both Front end and Back end
    Question # 6
    Left factoring is enough to make a grammar LL(1).
    Select correct option:
    True
    False
    Question # 7
    In multi pass compiler during the first pass it gathers information about _________________ .
    Select correct option:
    Declaration
    Bindings
    Static information
    None of the given
    Question # 8
    __________________ phase which supports macro substitution and conditional compilation.
    Select correct option:
    Semantic
    Syntax
    Preprocessing
    None of given
    Question # 9
    In parser the two LL stand(s) for ____________ .
    Select correct option:
    Left-to-right scan of input
    left-most derivation
    All of the given
    None of the given
    Question # 10
    Bottom-up parsers handle a _______________ class of grammars.
    Select correct option:
    Large
    Small
    Medium
    None of the given
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