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CSE MCQs :: C-MCQs

C-MCQs - Typedef
C-MCQs - Data Types
C-MCQs - C Functions
C-MCQs - C Operators
C-MCQs - Basic Linux
C-MCQs - c-data-types
C-MCQs - File Access
C-MCQs - Pointers - C
C-MCQs - Constants - C
C-MCQs - Variable Names
C-MCQs - Preprocessor - C
C-MCQs - Declarations - C
C-MCQs - Storage Management
C-MCQs - Conditional Expressions
C-MCQs - Control Flow Statements
C-MCQs - Standard Input and Output
C-MCQs - Structures, Unions, Bit-fields
  1. What is the output of this C code?

    int main()
    {
    void foo(), f();
    f();
    }
    void foo()
    {
    printf("2 ");
    }
    void f()
    {
    printf("1 ");
    foo();
    }
    2. A.
    Compile time error as foo is local to main
    B.
    1   2
    C.
    2   1
    D.
    Compile time error due to declaration of functions inside main

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  2. What is the output of this C code?

    int main()
    {
    void foo();
    void f()
    {
    foo();
    }
    f();
    }
    void foo()
    {
    printf("2 ");
    }
    3. A.
    2   2
    B.
    2
    C.
    Compile time error
    D.
    Depends on the compiler

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  3. What is the output of this C code?

    void foo();
    int main()
    {
    void foo();
    foo();
    return 0;
    }
    void foo()
    {
    printf("2 ");
    }
    4. A.
    Compile time error
    B.
    2
    C.
    Depends on the compiler
    D.
    Depends on the standard

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  4. What is the output of this C code?

    void foo();
    int main()
    {
    void foo(int);
    foo(1);
    return 0;
    }
    void foo(int i)
    {
    printf("2 ");
    }
    5. A.
    2
    B.
    Compile time error
    C.
    Depends on the compiler
    D.
    Depends on the standard

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  5. What is the output of this C code?

    void foo();
    int main()
    {
    void foo(int);
    foo();
    return 0;
    }
    void foo()
    {
    printf("2 ");
    }
    6. A.
    2
    B.
    Compile time error
    C.
    Depends on the compiler
    D.
    Depends on the standard

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  6. What is the output of this C code?

    int main()
    {
    void foo(), f();
    f();
    }
    void foo()
    {
    printf("2 ");
    }
    void f()
    {
    printf("1 ");
    foo();
    }
    7. A.
    Compile time error as foo is local to main
    B.
    1   2
    C.
    2   1
    D.
    Compile time error due to declaration of functions inside main

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  7. What is the output of this C code?

    int main()
    {
    void foo();
    void f()
    {
    foo();
    }
    f();
    }
    void foo()
    {
    printf("2 ");
    }
    8. A.
    2   2
    B.
    2
    C.
    Compile time error
    D.
    Depends on the compiler

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  8. What is the output of this C code?

    void foo();
    int main()
    {
    void foo();
    foo();
    return 0;
    }
    void foo()
    {
    printf("2 ");
    }
    9. A.
    Compile time error
    B.
    2
    C.
    Depends on the compiler
    D.
    Depends on the standard

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  9. What is the output of this C code?

    void foo();
    int main()
    {
    void foo(int);
    foo(1);
    return 0;
    }
    void foo(int i)
    {
    printf("2 ");
    }
    10. A.
    2
    B.
    Compile time error
    C.
    Depends on the compiler
    D.
    Depends on the standard

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  10. What is the output of this C code?

    void foo();
    int main()
    {
    void foo(int);
    foo();
    return 0;
    }
    void foo()
    {
    printf("2 ");
    }
    11. A.
    2
    B.
    Compile time error
    C.
    Depends on the compiler
    D.
    Depends on the standard

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