Welcome to the Data Types,Variables and Operators MCQs Page
Dive deep into the fascinating world of Data Types,Variables and Operators with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Types,Variables and Operators, a crucial aspect of C# Programming. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Types,Variables and Operators, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within C# Programming.
Check out the MCQs below to embark on an enriching journey through Data Types,Variables and Operators. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of C# Programming.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Types,Variables and Operators. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
Data Types,Variables and Operators MCQs | Page 2 of 14
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1. We can assign values of any type to variables of type object.
2. When a variable of a value type is converted to object, it is said to be unboxed.
3. When a variable of type object is converted to a value type, it is said to be boxed.
4. Boolean variable cannot have a value of null.
5. When a value type is boxed, an entirely new object must be allocated and constructed.
1. Each value type has an implicit default constructor that initializes the default value of that type.
2. It is possible for a value type to contain the null value.
3. All value types are derived implicitly from System.ValueType class.
4. It is not essential that local variables in C# must be initialized before being used.
5. Variables of reference types referred to as objects and store references to the actual data.
int i = 10; int j = 10;
int i, j;
i = 10 : j = 10;
int i = 10, j = 10;
int i, j = 10;
int i = j = 10;
byte a = 11, b = 22, c;1. Every datatype is either a value type or a reference type.
2. Value types are always created on the heap.
3. Reference types are always created on the stack.
4. Mapping of every value type to a type in Common Type System facilitates Interoperability in C#.NET.
5. Every reference type gets mapped to a type in Common Type System.
1. ++a++;
2. a += 1;
3. a ++ 1;
4. a = a +1;
5. a = +1;
byte b1 = 0xF7;
byte b2 = 0xAB;
byte temp;
temp = (byte)(b1 & b2);
Console.Write (temp + " ");
temp = (byte)(b1^b2);
Console.WriteLine(temp);Suggested Topics
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