TVS Placement Paper -: Programming Questions And Answers

TVS Previous Years Solved Sample Placement Papers

1. Is C++ an alias of C#?

   A: Yes

   B: No

   Ans: B

2. What is the extension of a C# language file?

   A: .c

   B: .cpp

   C: .cs

   D: .csp

   Ans: C

3. CLR stands for ___.

   A: Common Type System

   B: Common Language Specification

   C: Common Language Runtime

   D: Java Virtual Machine

   Ans: C

4. What is the value of z?

   int z, x = 5, y = -10, a = 4, b = 2;
   z = x++ - --y * b / a;

   A: 5

   B: 6

   C: 10

   D: 11

   Ans: [Your Answer]

5. Every C# statement is terminated by ___.

   A: Colon (:)

   B: Semicolon (;)

   C: Comma (,)

   D: Dot (.)

   Ans: B

   Explanation:

   Every C# statement is terminated by a semicolon (;).

6. Is C# programming language case-sensitive?

   A: Yes

   B: No

   Ans: A

   Explanation:

   Yes, C# programming language is case-sensitive.

7. In C#, a single-line comment starts with ___.

   A: Two forward slashes (//)

   B: Two backward slashes (\\)

   C: A hash character (#)

   D: A dollar character ($)

   Ans: A

   Explanation:

   In C#, a single-line comment starts with two forward slashes (//).

8. In C#, the multi-line comments are placed within the ___.

   A: // and //

   B: \\ and //

   C:

   D: /* and */

   Ans: D

   Explanation:

   In C#, the multi-line comments are placed within the /* and */.

9. What is the correct syntax to declare a variable in C#?

   A: type variableName = value;

   B: type variableName;

   C: variableName as type = value;

   D: Both A and B

   Ans: D

   Explanation:

   Both of the above syntaxes can be used to declare a variable:

   • type variableName = value; - It defines the type and assigns the value
   • type variableName; - It defines the type only

10. Which data type is used to store text value in C#?

    A: text

    B: txt

    C: string

    D: str

    Ans: C

    Explanation:

    The string data type is used to store text values in C#.

11. Which C# keyword is used to define a constant?

    A: define

    B: fixed

    C: constant

    D: const

    Ans: D

    Explanation:

    The const keyword is used to define a constant in C#.

12. What is the correct syntax to define a C# constant?

    A: const type constant_name;

    B: const type constant_name = value;

    C: const constant_name as type;

    D: const constant_name as type = value;

    Ans: B

    Explanation:

    The correct syntax to define a C# constant is:

    const type constant_name = value;

    Note: A const field requires a value to be provided.

13. Which is not a valid C# data type?

    A: long

    B: int

    C: float

    D: complex

    Ans: D

    Explanation:

    There is no complex data type in C#.

14. Which is the correct order for implicit type conversion to convert a smaller to a larger type in C#?

    A: char -> int -> long -> float -> double

    B: bool -> char -> int -> long -> float -> double

    C: char -> int -> float -> long -> double

    D: bool -> char -> int -> long -> double -> float

    Ans: A

    Explanation:

    The implicit type conversion is done in the following order: char -> int -> long -> float -> double.

15. The link field of the last node contains:

    A: NULL

    B: Head

    C: Tail

    D: None

    Ans: A

16. In a linked list, the link field of every node contains:

    A: Data of the node

    B: Data of the next node

    C: Address of the last node

    D: Address of the next node

    Ans: D

17. In a doubly linked list, which node points to the address of the previous node?

    A: Info

    B: Frow

    C: Back

    D: Head

    Ans: C

18. Which operation is not possible in a linked list?

    A: Sorting

    B: Searching

    C: Merging

    D: Inserting

    Ans: C

19. Which of the following function declaration is/are incorrect?

    A: int Sum(int a, int b = 2, int c = 3);

    B: int Sum(int a = 5, int b);

    C: int Sum(int a = 0, int b, int c = 3);

    D: Both B and C are incorrect.

    E: All are correct.

    Ans: E

20. You can use C++ as a procedural, as well as an object-oriented, language

    A: TRUE

    B: FALSE

    Ans: A

21. The address of a variable temp of type float is

    A: *temp

    B: &temp

    C: float& temp

    D: float temp&

    Ans: B