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Kaylis [27]
3 years ago
11

Which of the following statements selects the "blue" item, which appears fourth in the lstColor control?a. lstColor.SlectIndex =

3b. lstColor.SlectIndex = 4d. lstColor.SlectItem = 3e. lstColor.SlectIitem = 4
Computers and Technology
1 answer:
Schach [20]3 years ago
6 0

Answer:

a. lstColor.SlectIndex = 3

Explanation:

Listbox uses index to represent items.

The index starts its count from 0. Meaning that, the first item has an index of 0, the second has an index of 1 and so on.

From the question, the said color is the 4th in the list; going by the simple analysis stated above, it's index is 4-1 = 3.

The syntax for that is

listboxname.Selectedindex = index

i.e.

lstColor.SelectIndex = 3.

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Create a program to deteate a program to determine whether a user-specified altitude [meters] is in the troposphere, lower strat
allsm [11]

Answer:

#include <iostream>

using namespace std;

int main()

{

   float altitude;

   cout<<"Enter alttitude in meter";

cin >>altitude;

if(altitude<0 || altitude > 50000)

{

   cout<<"Invalid value entered";

   return 0;

}

else{

   if(altitude<= 10000)

   {cout <<"In troposphere "<<endl;}

   

   else if(altitude>10000 && altitude<=30000)

   {cout <<"In lower stratosphere"<<endl;}

   

   else if(altitude>30000 && altitude<=50000)

   {cout <<"In upper stratosphere"<<endl;}

   

}

   return 0;

}

Explanation:

Define a float type variable. Ask user to enter altitude in meters. Store value to altitude variable.

Now check if value entered is positive and less than 5000,if its not in the range of 0-50,000 display a termination message and exit else check if it's in less than 10000, in between 10000 and 30000 or in between 30000 and 50000.

10,000 is above sea level is troposphere.

10,000-30,000 is lower stratosphere.

30,000-50,000 is upper stratosphere.

8 0
4 years ago
Write a program that reads a 4-bit binary number from the keyboard as a string and then converts it into decimal. For example, i
adell [148]

Answer:

import java.util.Scanner;

public class ss11{

       public static void main (String[]args) {

             Scanner keyboard = new Scanner (System.in)

             String a1, a2, a3, a4, a5;

              int i1, i2, i3, i4, i5;

              System.out.println("Enter a four bit binary number:");

               a1= keyboard.next();

               a2= a1.substring(0,1);

               a3= a1.substring(1,2);

               a4= a1.substring(2,3);

               a5= a1.substring(3,4);

                i1 = Integer.parseInt(a2);

                i2 = Integer.parseInt(a3);

                i3 = Integer.parseInt(a4);

                i4 = Integer.parseInt(a5);

                i1= i1 * 8;

                i2= i1 * 4;

                i3= i1 * 2;

                i4= i1 * 1;

                i5= i1+i2+i3+i4;

                System.out.println("The converted decimal number is: +i5);

}

}

Explanation:

7 0
4 years ago
What are like arms surrounding all the other code blocks?
liq [111]

Answer:

Parenthesis

Explanation:

I code

4 0
3 years ago
Read 2 more answers
A student is recording a song on her computer. When the recording is finished, she saves a copy on her computer. The student not
denis23 [38]

Answer:

A. The song was saved using fewer bits per second than the original song.

Explanation:

A song can be recorded on the computer or any device ranging from bit rates 96 kbps to 320 kbps.  

The lesser the bitrates the lesser the quality of the audio and when we increase the bit rates, the quality of the audio recorded gradually increases.

Bitrates of 128 kbps give us a radio like quality whereas when we use bitrates of 320 kbps we get very good or CD-like quality.

According to the scenario, the most appropriate answer is option A.

3 0
3 years ago
A(n) ________ server tracks who is logging on to the network as well as which services on the network are available to each user
bixtya [17]

Answer:

B

Explanation:

An authentication server server tracks who is logging on to the network as well as which services on the network are available to each user. It also does the job of providing a network service that applications can use to authenticate the credentials, that are oftentimes account names and passwords, of their users. Authentication server is also used as the basis for authorization.

4 0
3 years ago
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