Programs in Computer Engineering

Playfair Cipher Implementation > C Program Cryptography and System Security Program:

Transposition Cipher Implementation > C Program Cryptography and System Security Program: #include<stdio.h> int check(int x,int y) {

Vigenere Cipher Implementation > C Program Cryptography and System Security Program: #include<stdio.h>

Hill Cipher Implementation > C Program Cryptography and System Security Program: #include<stdio.h> int check(int x) {

Extended Euclidean Algorithm for Modular Multiplicative Inverse > C Program Cryptography and System Security Program: #include<stdio.h> #include<conio.h> void main() {

Euclidean Algorithm to find GCD > C Program  Cryptography and Network Security  Program: #include<stdio.h> #include<conio.h> void main() { int a,b,x; clrscr(); printf("Enter 1st Number "); scanf("%d",&a); printf("Enter 2nd Number "); scanf("%d",&b); x=gcd(a,b); printf("GCD is %d",x); getch(); }

Intermediate Code Generation > C Program System Programming and Compiler Construction Program: #include<stdio.h> #include<conio.h> #include<string.h> char op[2],arg1[5],arg2[5],result[5]; void main() {   FILE *fp1,*fp2;   fp1=fopen("input.txt","r");   fp2=fopen("output.txt","w");   while(!feof(fp1))   {

To create and use program Libraries in Linux > C Program System Programming and Compiler Construction main.c #include<stdio.h> #include<math.h> #include "shared.h" int main() { double result=5.0; result=factorial(result); printf("\n The factorial is [%g] \n",result); return 0; }

To Implement Shift Reduce Parser > C Program System Programming and Compiler Construction  Program:

To implement Recursive Descent Parser > C Program System Programming and Compiler Construction  Program: #include"stdio.h" #include"conio.h" #include"string.h" #include"stdlib.h" #include"ctype.h"

Program to design and implement Pass 1 of 2 Pass Assembler > C and Assembly Program System programming and Compiler Construction .asm code: PG1              START 1000                     USING *, 15                      L                    1, FOUR                      A                    1, ='5'                      ST                  1, TEMP                      A                    1, ='4' FOUR         DC   ...

To copy text from one file to another file > C Program System Programming and Compiler Construction #include<stdio.h> #include<conio.h> void main() { FILE *fp1, *fp2; char ch, fname1[20], fname2[20];

To implement Distance Vector Routing > C Program Computer Networks #include<stdio.h> struct node {     unsigned dist[20];     unsigned from[20]; }rt[10]; int main() {

To multiply two 16-Bit Numbers > Mixed Language Program Microprocessor Program: #include<stdio.h> #include<conio.h> void main() {

Operating Systems Program using fork() to get the Parent and Child Process ID #include<stdio.h> #include<string.h> #include<fcntl.h> #include<sys/stat.h> #include<sys/types.h> int main() { int pid, p1, c;

Operating Systems I/O System Calls > C Programs Program 1 #include<stdio.h> #include<stdlib.h> #include<sys/types.h> #include<sys/stat.h> #include<unistd.h> #include<errno.h> int main(int argc,char*argv[]) { pid_t pid; pid=fork();

Sorting Quick Sort, Heap Sort, Insertion Sort, Radix Sort, Merge Sort > C Program #include<stdio.h> #include<conio.h> #define MAX 50

Analysis of Algoritm To Perform Binary Search > C Program #include<stdio.h> #include<conio.h> int binarysearch(int arr[],int n,int x); void main() {

Analysis of Algorithm Quick Sort > C Program #include<stdio.h> #include<conio.h> void quick(int a[],int lb,int ub); int partition(int a[],int lb,int ub); void main() {       

Analysis of Algorithm Selection Sort > C Program #include<stdio.h> #include<conio.h> void select(int x[],int n); void main() {