Q. Suppose n is a variable of the type Byte and we wish, to check whether its fourth bit (from right) is ON or OFF. Which of the following statements will do this correctly?

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Q. Suppose n is a variable of the type Byte and we wish to put OFF its fourth bit (from right) without disturbing any other bits. Which of the following statements will do this correctly?

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Q. Which of the following statements is correct about Bitwise | operator used in C#.NET?

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Q. Which of the following is NOT an Assignment operator in C#.NET?

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Q. Which of the following statements is correct about Bitwise ^ operator used in C#.NET?

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Q. How many Bytes are stored by ‘Long’ Datatype in C# .net?

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Q. Choose “.NET class” name from which datatype “UInt” is derived ?

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Q. Correct Declaration of Values to variables ‘a’ and ‘b’?

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Q. Arrange the following datatype in order of increasing magnitude sbyte, short, long, int.

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Q. Which datatype should be more preferred for storing a simple number like 35 to improve execution speed of a program?

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Q. Which Conversion function of ‘Convert.TOInt32()’ and ‘Int32.Parse()’ is efficient?

1) Int32.Parse() is only used for strings and throws argument exception for null string
2) Convert.Int32() used for datatypes and returns directly ‘0’ for null string

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Q. Correct way to assign values to variable ‘c’ when int a=12, float b=3.5,int c;

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Q. Correct Set of Code for given data ‘a’ and ‘b’ to print output for ‘c’ as 74 ?

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Q. Default Type of number without decimal is ?

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Q. Select a convenient declaration and initialization of a floating point number:

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Q. Number of digits upto which precision value of float datatype is valid ?

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Q. Valid Size of float datatype is ?

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Q. Correct way to define a value 6.28 in a variable ‘pi’ where value cannot be modified ?

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Q. Minimum and Maximum range of values supported by ‘float’ data type are ?

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Q. Select appropriate difference between decimal, float and double data type in C# ?

1) Float and Double are floating binary point types while decimal is a floating decimal point type.
2) Precision difference for float is ‘7’ digit for double is ’15’ to ’16’ digit and for decimal is ’28’ to ’29’ digits.
3) Some values which cannot be exactly represented hence for those values float and double are more appropriate.

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