Cn
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/* (Binary Countdown) */ #include<stdio.h> #include #define size 30 void main() { char a[size]; char *str; int i=0,j=0; int w=0; int x=0; int y=0; int z=0; int count=0; for(i=0;i<=size;i++) { a[i]='\0'; } clrscr(); printf("\nEnter the 4-bit address of station A:"); scanf("%s",&(*str)); j=0; for(i=0;i<4;i++) { a[i]=*(str+j); j++; } count=j; j=0; printf("\nEnter the 4-bit address of station B:"); scanf("%s",&(*str)); j=0; for(i=4;i<(count+count);i++) { a[i]=*(str+j); j++; } count+=j; j=0; printf("\nEnter the 4-bit address of station C:"); scanf("%s",&(*str)); j=0; for(i=8;i<(count+count);i++) { a[i]=*(str+j); j++; } count+=j; j=0; printf("\nEnter the 4-bit address of station D:"); scanf("%s",&(*str)); j=0; for(i=12;i<(count+count);i++) { a[i]=*(str+j); j++; }
for(i=0;i<4;i++) { if (a[i]=='1') ++w; } for(i=4;i<8;i++) { if(a[i]=='1') ++x; } for(i=8;i<12;i++) { if(a[i]=='1') ++y; } for(i=12;i<16;i++) { if(a[i]=='1') ++z; } if(w>=x && w>=y && w>=z) printf("\nA station will transmit"); if(x>=w && x>=y && x>=z) printf("\nB station will transmit"); if(y>=w && y>=x && y>=z) printf("\nC station will transmit"); if(z>=w && z>=x && z>=y) printf("\nD station will transmit"); getch(); }
OUTPUT: Enter the 4-bit address of station A:1111 Enter the 4-bit address of station B:0111 Enter the 4-bit address of station C:0011 Enter the 4-bit address of station D:0001 A station will transmit
/* (Bit-stuffing) */ #include<stdio.h> #include #define size 100 void main() { char a[size],b[size],*str; int i=0,j=0,k=0; int len=0; clrscr(); for(i=0;i<=size;i++) { a[i]='\0'; b[i]='\0'; } i=0; printf("\nEnter the data:"); scanf("%s",&(*str)); while(*(str+j)!='\0') { a[i]=*(str+j); i++; j++; } i=0; while(a[i]!='\0') { if(a[i]=='1') { ++len; if(len==5) { b[k]=a[i]; k++; b[k]='0'; len=0; goto xy; } b[k]=a[i]; xy: i++; k++; } if(a[i]=='0') { len=0; b[k]=a[i]; i++; k++; } } printf("\nThe data that will be transmitted is:"); for(i=0;b[i]!='\0';i++) printf("%c",b[i]); for(i=0;i<=size;i++) a[i]='\0'; k=0;
len=0; i=0; while(b[i]!='\0') { if(b[i]=='1') { ++len; if(len==5) { a[k]=b[i]; k++; i+=2; a[k]=b[i]; len=0; goto xy1; } a[k]=b[i]; xy1: i++; k++; } if(b[i]=='0') { a[k]=b[i]; len=0; i++; k++; } } printf("\nThe data at the receiver is:"); for(i=0;a[i]!='\0';i++) printf("%c",a[i]); getch(); }
OUTPUT: Enter the data:1101111011111011 The data that will be transmitted is:11011110111110011 The data at the receiver is:1101111011111011
// IP ADDRESS import java.net.*; public class InetDemo { public static void main(String args[]) { try { InetAddress host =InetAddress.getLocalHost(); System.out.println("The IP Address of the local host is:"+host); host=InetAddress.getByName(args[0]); System.out.println("The IP address of "+args[0]+"is "+host); } catch(UnknownHostException ex) { System.out.println("There has been som error "+ex); } } }
OUTPUT: I:\javaprj\bin>javac InetDemo.java I:\javaprj\bin>java InetDemo The IP Address of the local host is:cado-1985comp/127.0.0.1 Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException at InetDemo.main(InetDemo.java:11)
// URL import java.net.*; import java.io.*; class URLDemo { public static void main(String args[]) throws MalformedURLException { URL url=new URL("http://www.yahoo.co.in"); System.out.println(url); String protocol=url.getProtocol(); int port=url.getPort(); String file=url.getFile(); System.out .println("File used : "+file); System.out.println("protocol used : "+protocol); System.out.println("port used: "+port); try { URLConnection urlcon=url.openConnection(); String ct=urlcon.getContentType(); System.out.println("The content type of this html page is "+ct); long exp=urlcon.getExpiration(); System.out.println("Expiration : "+exp); int len=urlcon.getContentLength(); System.out.println("The length of the content is: "+len); InputStream ip=urlcon.getInputStream(); boolean flag=true; while(flag) { int a=ip.read (); if (a==-1) { flag=false; } else { char c=(char)a; System.out.print(c); } } ip.close(); } catch(Exception e) { System.out.println("There has been some Error "+e); } } }
OUTPUT: I:\javaprj\bin>javac URLDemo.java
I:\javaprj\bin>java URLDemo http://www.yahoo.co.in File used : protocol used : http port used: -1 The content type of this html page is null Expiration : 0 The length of the content is: -1 There has been some Error java.net.UnknownHostException: www.yahoo.co.in I:\javaprj\bin>java InetDemo The IP Address of the local host is:cado-1985comp/127.0.0.1 Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException at InetDemo.main(InetDemo.java:11)
A)Using Manualy : C:\>ipconfig Windows 2000 IP Configuration Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 192.168.100.165 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.100.98 C:\>ipconfig/all Windows 2000 IP Configuration Host Name . . . . . . . . . . . . : c7-12 Primary DNS Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Broadcast IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Realtek RTL8139(A)-based PCI Fast Ethernet Adapter Physical Address. . . . . . . . . : 00-0B-6A-BD-FD-66 DHCP Enabled. . . . . . . . . . . : No IP Address. . . . . . . . . . . . : 192.168.100.165 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.100.98 DNS Servers . . . . . . . . . . . : B)Using Automaticaly C:\>ipconfig Windows 2000 IP Configuration Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 0.0.0.0 Subnet Mask . . . . . . . . . . . : 0.0.0.0 Default Gateway . . . . . . . . . : C:\>ipconfig/all
Windows 2000 IP Configuration Host Name . . . . . . . . . . . . : c7-12 Primary DNS Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Broadcast IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Realtek RTL8139(A)-based PCI Fast Ethernet Adapter Physical Address. . . . . . . . . : 00-0B-6A-BD-FD-66 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IP Address. . . . . . . . . . . . : 0.0.0.0 Subnet Mask . . . . . . . . . . . : 0.0.0.0 Default Gateway . . . . . . . . . : DHCP Server . . . . . . . . . . . : 255.255.255.255 DNS Servers . . . . . . . . . . . : C:\>ping localhost Pinging c7-12 [127.0.0.1] with 32 bytes of data: Reply from 127.0.0.1: bytes=32 time<10ms TTL=128 Reply from 127.0.0.1: bytes=32 time<10ms TTL=128 Reply from 127.0.0.1: bytes=32 time<10ms TTL=128 Reply from 127.0.0.1: bytes=32 time<10ms TTL=128 Ping statistics for 127.0.0.1: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms C:\>ping 192.168.100.165 Pinging 192.168.100.165 with 32 bytes of data: Reply from 192.168.100.165: bytes=32 time<10ms TTL=128 Reply from 192.168.100.165: bytes=32 time<10ms TTL=128 Reply from 192.168.100.165: bytes=32 time<10ms TTL=128 Reply from 192.168.100.165: bytes=32 time<10ms TTL=128 Ping statistics for 192.168.100.165: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms ------------------------------------------------------C:\>ping 192.168.100.152 Pinging 192.168.100.152 with 32 bytes of data: Reply from 192.168.100.152: bytes=32 time<10ms TTL=128 Reply from 192.168.100.152: bytes=32 time<10ms TTL=128 Reply from 192.168.100.152: bytes=32 time<10ms TTL=128 Reply from 192.168.100.152: bytes=32 time<10ms TTL=128 Ping statistics for 192.168.100.152: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms ------------------------------------------------------C:\>ping 192.168.100.164 Pinging 192.168.100.164 with 32 bytes of data: Request timed out. Request timed out. Request timed out. Request timed out. Ping statistics for 192.168.100.164: Packets: Sent = 4, Received = 0, Lost = 4 (100% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms -------------------------------------------------------
for(i=0;i<4;i++) { if (a[i]=='1') ++w; } for(i=4;i<8;i++) { if(a[i]=='1') ++x; } for(i=8;i<12;i++) { if(a[i]=='1') ++y; } for(i=12;i<16;i++) { if(a[i]=='1') ++z; } if(w>=x && w>=y && w>=z) printf("\nA station will transmit"); if(x>=w && x>=y && x>=z) printf("\nB station will transmit"); if(y>=w && y>=x && y>=z) printf("\nC station will transmit"); if(z>=w && z>=x && z>=y) printf("\nD station will transmit"); getch(); }
OUTPUT: Enter the 4-bit address of station A:1111 Enter the 4-bit address of station B:0111 Enter the 4-bit address of station C:0011 Enter the 4-bit address of station D:0001 A station will transmit
/* (Bit-stuffing) */ #include<stdio.h> #include
len=0; i=0; while(b[i]!='\0') { if(b[i]=='1') { ++len; if(len==5) { a[k]=b[i]; k++; i+=2; a[k]=b[i]; len=0; goto xy1; } a[k]=b[i]; xy1: i++; k++; } if(b[i]=='0') { a[k]=b[i]; len=0; i++; k++; } } printf("\nThe data at the receiver is:"); for(i=0;a[i]!='\0';i++) printf("%c",a[i]); getch(); }
OUTPUT: Enter the data:1101111011111011 The data that will be transmitted is:11011110111110011 The data at the receiver is:1101111011111011
// IP ADDRESS import java.net.*; public class InetDemo { public static void main(String args[]) { try { InetAddress host =InetAddress.getLocalHost(); System.out.println("The IP Address of the local host is:"+host); host=InetAddress.getByName(args[0]); System.out.println("The IP address of "+args[0]+"is "+host); } catch(UnknownHostException ex) { System.out.println("There has been som error "+ex); } } }
OUTPUT: I:\javaprj\bin>javac InetDemo.java I:\javaprj\bin>java InetDemo The IP Address of the local host is:cado-1985comp/127.0.0.1 Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException at InetDemo.main(InetDemo.java:11)
// URL import java.net.*; import java.io.*; class URLDemo { public static void main(String args[]) throws MalformedURLException { URL url=new URL("http://www.yahoo.co.in"); System.out.println(url); String protocol=url.getProtocol(); int port=url.getPort(); String file=url.getFile(); System.out .println("File used : "+file); System.out.println("protocol used : "+protocol); System.out.println("port used: "+port); try { URLConnection urlcon=url.openConnection(); String ct=urlcon.getContentType(); System.out.println("The content type of this html page is "+ct); long exp=urlcon.getExpiration(); System.out.println("Expiration : "+exp); int len=urlcon.getContentLength(); System.out.println("The length of the content is: "+len); InputStream ip=urlcon.getInputStream(); boolean flag=true; while(flag) { int a=ip.read (); if (a==-1) { flag=false; } else { char c=(char)a; System.out.print(c); } } ip.close(); } catch(Exception e) { System.out.println("There has been some Error "+e); } } }
OUTPUT: I:\javaprj\bin>javac URLDemo.java
I:\javaprj\bin>java URLDemo http://www.yahoo.co.in File used : protocol used : http port used: -1 The content type of this html page is null Expiration : 0 The length of the content is: -1 There has been some Error java.net.UnknownHostException: www.yahoo.co.in I:\javaprj\bin>java InetDemo The IP Address of the local host is:cado-1985comp/127.0.0.1 Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException at InetDemo.main(InetDemo.java:11)
A)Using Manualy : C:\>ipconfig Windows 2000 IP Configuration Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 192.168.100.165 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.100.98 C:\>ipconfig/all Windows 2000 IP Configuration Host Name . . . . . . . . . . . . : c7-12 Primary DNS Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Broadcast IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Realtek RTL8139(A)-based PCI Fast Ethernet Adapter Physical Address. . . . . . . . . : 00-0B-6A-BD-FD-66 DHCP Enabled. . . . . . . . . . . : No IP Address. . . . . . . . . . . . : 192.168.100.165 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : 192.168.100.98 DNS Servers . . . . . . . . . . . : B)Using Automaticaly C:\>ipconfig Windows 2000 IP Configuration Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 0.0.0.0 Subnet Mask . . . . . . . . . . . : 0.0.0.0 Default Gateway . . . . . . . . . : C:\>ipconfig/all
Windows 2000 IP Configuration Host Name . . . . . . . . . . . . : c7-12 Primary DNS Suffix . . . . . . . : Node Type . . . . . . . . . . . . : Broadcast IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Realtek RTL8139(A)-based PCI Fast Ethernet Adapter Physical Address. . . . . . . . . : 00-0B-6A-BD-FD-66 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes IP Address. . . . . . . . . . . . : 0.0.0.0 Subnet Mask . . . . . . . . . . . : 0.0.0.0 Default Gateway . . . . . . . . . : DHCP Server . . . . . . . . . . . : 255.255.255.255 DNS Servers . . . . . . . . . . . : C:\>ping localhost Pinging c7-12 [127.0.0.1] with 32 bytes of data: Reply from 127.0.0.1: bytes=32 time<10ms TTL=128 Reply from 127.0.0.1: bytes=32 time<10ms TTL=128 Reply from 127.0.0.1: bytes=32 time<10ms TTL=128 Reply from 127.0.0.1: bytes=32 time<10ms TTL=128 Ping statistics for 127.0.0.1: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms C:\>ping 192.168.100.165 Pinging 192.168.100.165 with 32 bytes of data: Reply from 192.168.100.165: bytes=32 time<10ms TTL=128 Reply from 192.168.100.165: bytes=32 time<10ms TTL=128 Reply from 192.168.100.165: bytes=32 time<10ms TTL=128 Reply from 192.168.100.165: bytes=32 time<10ms TTL=128 Ping statistics for 192.168.100.165: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms ------------------------------------------------------C:\>ping 192.168.100.152 Pinging 192.168.100.152 with 32 bytes of data: Reply from 192.168.100.152: bytes=32 time<10ms TTL=128 Reply from 192.168.100.152: bytes=32 time<10ms TTL=128 Reply from 192.168.100.152: bytes=32 time<10ms TTL=128 Reply from 192.168.100.152: bytes=32 time<10ms TTL=128 Ping statistics for 192.168.100.152: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms ------------------------------------------------------C:\>ping 192.168.100.164 Pinging 192.168.100.164 with 32 bytes of data: Request timed out. Request timed out. Request timed out. Request timed out. Ping statistics for 192.168.100.164: Packets: Sent = 4, Received = 0, Lost = 4 (100% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms -------------------------------------------------------
