MT C# ques-1 to 14

A __________ is a special program that converts a particular programming language into machine language.

Answer:

Compiler

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·          Help Michelle to select the correct code snippet that needs to be inserted in the Main()function to get the preceding output?

a.   Console.WriteLine("Michelle Gracias \t Email: 

      michelle2012@abc.net \n126, Parkway Street       Boulevard, \nMiami, FL, \n122001");

b.   Console.WriteLine("Michelle Gracias \v Email: 

   michelle2012@abc.net \r 126, Parkway Street  

   Boulevard, \n Miami, FL, \n 122001");

c.   Console.WriteLine("Michelle Gracias \t Email: 

   michelle2012@abc.net \v 126, Parkway Street  

   Boulevard, \v Miami, FL, \v 122001");

d.   Console.WriteLine("Michelle Gracias \n Email: 

   michelle2012@abc.net \t 126, Parkway Street

   Boulevard, \t Miami, FL, \t 122001");

·             Answer:

a.   Console.WriteLine("Michelle Gracias \t Email: 

   michelle2012@abc.net \n126, Parkway Street

   Boulevard, \nMiami, FL, \n122001");

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·            Which of the following options displays the correct way of declaring and initializing a variable?

a. <data_type> <variable_name>=<value>

b.  <variable_name>=<value>;

c. <data_type> <variable_name>=<value>;

d. <variable_name>=<value>;

·            Answer:

a. <data_type> <variable_name>=<value>;

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·            Which of the following data types return the value as true or false?

a. int

b. string

c. bool

d. double

·         Answer:

c. bool

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·            The Console.ReadLine() method, by default, accepts the data in the ______ format.

a. string

b. int

c. char

d. float

·         Answer:

a. string

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·            Problem Statement:

·          Write a program to display the following details on the screen:

·       Event:  Tennis Match

·       Venue: Star Sports Complex

·       Time:   4:00 p.m. to 6:00 p.m

·            Solution:

·          The following code will create the Event class with the desired functionality:

public class Event

{

 public static void Main(string[] args)

 {

  System.Console.WriteLine("Event:\tTennis Match\n");

  System.Console.WriteLine("Venue:\tStar Sports

  Complex\n");

  System.Console.WriteLine("Time:\t4:00 p.m. to 6:00 p.m. \n");

  }

}

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·            If x is 22 and y is 4, then predict the output of the x % y; statement?

a. 5

b. 2

c. 4

d. 3

·         Answer:

b. 2

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·            If x is 10 and y is 3, then predict the value of variable x after execution of the following statement: x%=y;?

      a. 2

      b. 3

      c. 1

      d. 0

·         Answer:

      c. 1

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·            If x is 2, then what will be the output of the statement x=++x;?

a. 3

b. 2

c. 4

d. Compilation error

·         Answer:

a. 3

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·            Identify the comparison operators from the following options. (Choose all that apply)

a. !=

b. =

c. ==

d. +=

·         Answer:

a. !=

c. ==

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·            Predict the output of the variable result:

      bool result;

   int x = 10;

   result = (!(x == 10));

   a. True

      b. False

·         Answer:

      b. False

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·            Identify which of the following options will be used to instantiate a class named Animal.

a. Animal a;

b. Animal a = new Animal;

c. Animal a = new Animal();

d. Animal a = new.Animal();

·         Answer:

c. Animal a = new Animal();

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·            Consider the following code snippet:

     static void Main(string[] args)

     {

       int x=0;

       //Insert the code here

         {

           Console.WriteLine("Value of x is:" +x);

           x = x + 5;

         }

      }

·         The output desired from the preceding code snippet is:

    Value of x is: 0

    Value of x is: 5

    Value of x is: 10

    Value of x is: 15

    Value of x is: 20

·          Select the correct options that can be inserted in the code snippet so as to generate the preceding output.

·            Answer:

·          while(x<=20)