• Index C++

  • Basic +

  • Class and Object +

  • OOP +

  • Input and Output +

  • Functions +

  • Libraries and Namespaces +

  • Data Structure +

  • Identifiers and Variables +

  • Operators and Expressions +

  • Language Syntax +

  :: Model Test

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1. Question: The name of a variable is called an ______. 

   A

   identifier

   
   

   Explanation: Not available 

   
   

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2. Question: Which of the following is/are not the valid identifier(s)? 

   A

   x

   
   B

   x$y

   
   C

   _X

   
   D

   3X

   
   E

   X_Y

   
   F

   x_35

   
   G

   x.y

   
   H

   $x

   
   I

   34

   
   

   Explanation: Not available 

   
   

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3. Question: C++ is case-sensitive language. 

   A

   True

   
   B

   False

   
   

   Explanation: Not available 

   
   

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4. Question: Predefined identifier are all keywords and reserved words. 

   A

   True

   
   B

   False

   
   

   Explanation: Not available 

   
   

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5. Question: Float type of identifier can occupy ______ byte(s) of memory. 

   A

   1

   
   B

   2

   
   C

   8

   
   D

   4

   
   

   Explanation: Not available 

   
   

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6. Question: Which of the following is not the correct data type in c++? 

   A

   long float

   
   B

   long double

   
   C

   long int

   
   D

   long

   
   

   Explanation: Not available 

   
   

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7. Question: Which of the following is/are not correct escape sequence(s)? 

   A

   \r

   
   B

   \\

   
   C

   \'

   
   D

   \b

   
   E

   \$

   
   F

   \?

   
   G

   \p

   
   

   Explanation: Not available 

   
   

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8. Question: An automatic conversion of type is sometimes called a type ______. 

   A

   coercion

   
   

   Explanation: Not available 

   
   

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9. Question: Which of the following type casting is/are not correct? 

   A

   int a=5;
   double b= (double)a;

   
   B

   int a=5;
   double b= a;

   
   C

   int a=5;
   double b= double (a);

   
   D

   int a=5;
   double b= double a;

   
   

   Explanation: Not available 

   
   

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10. Question: Which of the following function(s) is/are defined in <iostream>? 

    A

    cin

    
    B

    cout

    
    C

    cerr

    
    D

    printf

    
    

    Explanation: Not available 

    
    

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