1 The code cout toupper b causes a to be dis played on the s

1. The code cout toupper (\'b\') causes a to be dis played on the screen 2. The data type returned by isalpha (\'g is

Solution

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1.
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   Answer:
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       B
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   Explanation:
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       cout<<toupper(\'b\'); converts the given character to upper case.

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2.
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   Answer:
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       data type is int, and the return value for given expression is 1
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   Explanation:
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       Function prototype: int isalpha ( int c );
      
       Given expression isalpha(\'g\'); return 1 since g is alphabet
      
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3.
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   Answer:
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       0
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   Explanation:
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       result = isdigit(\'$\') returns 0 since $ is not a digit.
  
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4.
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   Answer:
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       #
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   Explanation:
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       cout<<tolower(\'#\'); statement doest not effect on symbols
       hence return as it is #.
  
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5.
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   Answer:
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       \'\\0\'
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   Explanation:
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       End of the string is c++ is marked by \'\\0\' (null) character.
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6.
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   Answer:
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       25
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   Explanation:
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       cin.getline(name,25) means user can give input atmost 25 of length.
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7.
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   Answer:
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       22
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   Explanation:
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       char message[25] = \"Like tears in the rain\";
       int length;
       length = strlen(message);
       total number of characters in message array is 22.
       Hence length of the string is 22.
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8.
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   Answer:
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       In the Gardenof Eden
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   Explanation:
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       char string1[30] = \"In the Garden\";
       char string2[30] = \"of Eden\";
      
       strcat(string1,string2); //concats string2 with string1
       cout<<string1; //prints In the Gardenof Eden
  
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9.
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   Answer:
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       ctype.h
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   Explanation:
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       Inorder to access islower and isspace ctype.h to be included in file.
  
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10.
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   Answer:
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       A string constant must be enclosed in \"\"
       A character constant must be enclosed in \'\'
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   Explanation:
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       A string constant must be enclosed in \"\"
       A character constant must be enclosed in \'\'
      
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