1. String variables can store any of the following except -----
Ans=Boolean

2. ----- in C# requires an explicit type cast.
Ans=Unboxing

3. The following are the commonly used datatypes in C# except -----
Ans=Vector.

4. ---- is employed in declaring variable in C sharp.
Ans=int count;

5. In Csharp, every variable and object must have a ------
Ans=Declared type.

6. The string type represents a string of ---- characters.
Ans=Unicode.

7. The decimal keyword denotes a ---- data type
Ans=128-bit.

8. ----- in a programming language describes what type of data a variable can hold.
Ans=Data types.

9. ---- is the operation of converting a value of a reference(previously boxed) into a value of a value type
Ans=Unboxing.

10. ---- is the missing keyword in the following program:Class test(static void main() {.writeline(3. To string();}}
Ans=Console.