C program for Calculation of the surface and the volume of a cone

C program for Calculation of the surface and the volume of a cone

#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
 float r,h;
 float sa,volume;
 clrscr();

 printf("Enter length of radius and height of cone:\n");
 scanf("%f\n%f",&r,&h);
 
 sa=3.141*r*(r+sqrt(r*r+h*h));
 volume=(1.0/3)*3.141* r * r * h;
 printf("Surface area of cone is: %.3f",sa);
 printf("\nVolume of cone is : %.3f",volume);

 getch();
}

OUTPUT:

Enter size of radius and height of a cone: 3 10
Surface area of cone is: 126.672
Volume of cone is: 94.248

-----------------------------------------

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Write a C program to calculate roots of a quadratic equation

Write a C program to calculate roots of a quadratic equation

#include<stdio.h>
#include<math.h>

int main(){
  float a,b,c;
  float d,root1,root2;  

 
  printf("Enter a, b and c of quadratic equation: ");
  scanf("%f%f%f",&a,&b,&c);
   
  d = b * b - 4 * a * c;
  
  if(d < 0){
    printf("Roots are complex number.\n");

    printf("Roots of quadratic equation are: ");
    printf("%.3f%+.3fi",-b/(2*a),sqrt(-d)/(2*a));
    printf(", %.3f%+.3fi",-b/(2*a),-sqrt(-d)/(2*a));
  
    return 0; 
  }
  else if(d==0){
   printf("Both roots are equal.\n");

   root1 = -b /(2* a);
   printf("Root of quadratic equation is: %.3f ",root1);

   return 0;
  }
  else{
   printf("Roots are real numbers.\n");
  
   root1 = ( -b + sqrt(d)) / (2* a);
   root2 = ( -b - sqrt(d)) / (2* a);
   printf("Roots of quadratic equation are: %.3f , %.3f",root1,root2);
  }

  return 0;
}

-----------------------------

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write a C Program to arrange 10 numbers in ascending order

C Program to arrange 10 numbers in ascending order

/*C Program to arrange 10 numbers in ascending order*/


#include<stdio.h>

#include<conio.h>

void main()

{

int i,j,temp,a[10];

clrscr();

printf(“Enter 10 integer numbers: \n”);

for(i=0;i<10;i++)

scanf(“%d”,&a[i]);

for (i=0;i<10;i++)

{

for(j=i+1;j<10;j++)

{

if(a[i]>a[j])

{

temp=a[j];

a[j]=a[i];

a[i]=temp;

}

}

}

printf(“\n\nThe 10 numbers sorted in ascending order are: \n”);

for(i=0;i<10;i++)

printf(“%d\t”,a[i]);

getch();

}

OUTPUT:

Enter 10 integer numbers:

2

9

7

4

3

6

8

1

5

10

The 7 numbers sorted in ascending order are:

1     2       3       4       5            6       7       8       9      10

------------------------------------------------

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ASP.NET Tutorial 8- Create a Login website-Creating Master Page and appl...

MasterPage Source Code

<%@ Master Language="C#" AutoEventWireup="true" CodeFile="MasterPage.master.cs" Inherits="MasterPage" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <asp:ContentPlaceHolder id="head" runat="server">
    </asp:ContentPlaceHolder>
</head>
<body>
    <form id="form1" runat="server">
   
      <table style="font-family:Arial">
    <tr>
        <td colspan="2" style="width:800px; height:80px; background-color:#3399FF; 
            text-align:center">
            <h1>
                WebSite Header
            </h1>
        </td>
    </tr>
    <tr>
        <td style="height:500px; background-color:#66FFFF; width:150px">
            <h3>Menu</h3>
        </td>
        <td style="height:500px; background-color:#9999FF; width:650px">
             <h3>content</h3>  
                 <div>
        <asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server">
        
        </asp:ContentPlaceHolder>
    </div>
        </td>
    </tr>
    <tr>
        <td colspan="2" style="background-color:#3399FF; text-align:center">
            <b>Website Footer</b>
        </td>
    </tr>
</table>


    </form>
</body>
</html>

Prolific USB-to-Serial Comm Port LINUX DRIVER

Prolific technology USB serial driver Linux

When you connect USB (or serial to USB) to your Linux device and if it recognises the USB but A in a little different manner e.g usbdev1.XX and 

Not in the expected format like ttyUSB0 (ttyUSB1 , ttyUSB2 .....) . I am lising Out the the Steps which I have followed to Solve the problem.

First I checked What are the Devices are present in my dev directory by following command

# ls /dev/

and the response is as follows

usbdev1.1

usbdev1.2

usbdev1.3

usbdev1.4

usbdev1.5

ttyS0

ttyS1

ttyS2

ttyS3

Now I Give the Following command to Know the Devices specifications

# lsusb

The response is as follows 

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 001 Device 002: ID 1a40:0101 TERMINUS TECHNOLOGY INC. 

Bus 001 Device 003: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port

Bus 001 Device 004: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC

Bus 001 Device 005: ID 0403:6001 Future Technology Devices International, Ltd FT232 USB-Serial (UART) IC

So I know which device I am looking for . The Device is "Bus 001 Device 010: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port"

and its 'usbdev1.3'

Now I Give the followin command to find if the PL2303 driver is present on my kernal or not

# find /lib/modules -name *2303*

this replys me 

/lib/modules/3.2.29-00165-gd626b6d/kernel/drivers/usb/serial/pl2303.ko

So the .ko file is present .Now All I need to do is to Initialise the pl2303.ko to recognize my USB as ttyUSB*

Give the following command to initialize the pl2303.ko 

# insmod /lib/modules/3.2.29-00165-gd626b6d/kernel/drivers/usb/serial/pl2303.ko

Now once again check fot the device 

# ls /dev/

and This time I gives me the response 

usbdev1.1

usbdev1.2

usbdev1.4

usbdev1.5

ttyS0

ttyS1

ttyS2

ttyS3

ttyUSB1

Now I can Use ttyUSB1 as normar USB .

I also created the bash file with the content 

 #!/bin/bash         

insmod /lib/modules/3.2.29-00165-gd626b6d/kernel/drivers/usb/serial/pl2303.ko

and put it into the /etc/profile.d/ folder with 'chmod a+x' privlages

-----------------------------------------------------------

Following Problem 

insmod: error inserting 'pl2303.ko'

insmod error -- Invalid module format

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As a side note, I went to the root file system, there is no /dev/ttyUSB anything...

There is /dev/usbdev1.1, /dev/usbdev1.2, etc...does this help??

usb1

usb2

usb3

usbdev1.1_epXX <-Several

usbdev1.2_epXX <-Several

usbdev2.1_epXX <- Several

usbdev3.1_epXX <- Several

Bus 003 Device 009: ID 1199:6880 Sierra Wireless, Inc.

Bus 003 Device 001: ID 1d6b:001

Bus 002 Device 001: ID 1d6b:001

Bus 003 Device 001: ID 1d6b:002

USB Serial Converter support

insmod: can't read 'usbserial': No such file or directory

insmod: error inserting 'usbserial.ko': 

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ASP.NET Tutorial 6- Create a Login website - Login page & Validating Use...

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ASP.NET Tutorial 3- How to Create a Login website - Creating Database Fo...

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ASP.NET Tutorial 1 - Introduction and Creating Your First ASP.NET Web Site

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