To date there are three primary types of viruses that exist today: file-infector viruses, which attach themselves to program files; boot-sector viruses, which install themselves in a hard drive’s or floppy disk’s boot sector; and macro viruses, which burrow into Microsoft Word and Excel documents. Details on each of these three follow. File infector As … Read more
Sometimes I think that it helps to understand a little bit more about the people who perpetrate crimes, in order to be able to avoid being a victim of those crimes. Others of you may just have a morbid curiosity about those who like to hurt other people. Either way, you’ll learn a little more … Read more
In the mid-to-late 1980s, data was most often transferred from computer to computer by using floppy disks and so-called bulletin board systems (BBSs), managed online locations that were the forerunners of today’s Web sites. Stowing away on floppy disks Even without using the Internet, people in offices where PCs were used traded and circulated programs, … Read more
In 1991, Symantec released the first version of Norton AntiVirus. Norton was a popular brand name among computer technophiles from the well-known and successful Norton Utilities program. Programs like Norton AntiVirus are designed to find and eliminate viruses from a computer, usually with three goals in mind: Make the virus stop doing harm to the … Read more
Bihar Board 10th Result 2020 दोपहर 12:30 बजे होगा मैट्रिक का रिजल्ट बिहार के 10वीं के स्टूडेंट्स के रिजल्ट का इंतजार आज खत्म हो जाएगा। बिहार बोर्ड 12:30 बजे मैट्रिक का रिजल्ट (BSEB 10th Result 2020) जारी करेगा। मैट्रिक की परीक्षा का रिजल्ट खुद बिहार के शिक्षा मंत्री कृष्नंदन वर्मा द्वारा जारी किया जाएगा। बिहार … Read more
C Program to Print names of all Files present in a Directory dirent.h header file contains variables and functions related to directory streams. #include<stdio.h> #include<dirent.h> int main(void) { DIR *d; struct dirent *dir; d = opendir(“.”); if (d) { while ((dir = readdir(d)) != NULL) { printf(“%s\n”, dir->d_name); } closedir(d); } return(0); } Output: testFile1.txt testFile2.txt … Read more
C Program to Reverse a String using Pointer #include <stdio.h> int main() { printf(“\n\n\t\tEduguru – C Program Example\n\n\n”); char str[100]; char rev[100]; char *sptr = str; // sptr stores the base address of the str char *rptr = rev; // rptr stores the base address of the reverse int i = -1; printf(“\n\nEnter a string: … Read more
C Program to Swap Two Numbers using Pointers #include<stdio.h> int main() { printf(“\n\n\t\tEduguru – C Program Example\n\n\n”); int a, b; int *ptra, *ptrb; int temp; printf(“Enter value for a: “); scanf(“%d”, &a); printf(“\n\nEnter value for b: “); scanf(“%d”, &b); printf(“\n\nThe values before swapping are: a = %d b = %d”, a, b); ptra = &a; … Read more
C Program for Dynamic Memory Allocation using malloc() Below is a program on dynamic memory allocation using malloc() and clearing out memory space using free(). sizeof() returns the number of bytes occupied by any datatype, in this case by an integer. #include <stdio.h> int main() { printf(“\n\n\t\tEduguru – C Program Example\n\n\n”); int n, i, *ptr, sum = 0; printf(“\n\nEnter … Read more