Linear Search vs Binary Search A Linear Search is the most basic type of searching algorithm. A Linear Search sequentially moves through your collection (or data structure) looking for a matching value. In other words, it looks down a list, one item at a time, without jumping. Think of it as a way of finding your way in a phonebook Binary … Read more
Matrix multiplication program in C Matrix multiplication in C language to calculate the product of two matrices (two-dimensional arrays). A user inputs the orders and elements of the matrices. If the multiplication isn’t possible, an error message is displayed. You may have studied the method to multiply matrices in Mathematics. Matrix multiplication in C language … Read more
PROTECTING YOUR PASSWORD AND LOGGING ON SECURELY Hackers who know your password do not have to resort to technological exploits; they can log on and do anything that you can do on the computer or network. Keeping your password secret is one of the most important things you can do to protect against security breaches. … Read more
SOFTWARE SECURITY FOR PORTABLE COMPUTERS The best defense for portable computers is theft prevention, but there are ways to minimize the impact if your portable does get stolen. Setting a startup password is a first step, although thieves may be able to defeat this by resetting the password or using a master password that is … Read more
PROTECTING YOUR COMPUTER AND NETWORK PHYSICALLY SECURING LAPTOP/NOTEBOOK/HANDHELD COMPUTERS Portable computers can be even more vulnerable because it is so easy to steal the entire computer. A thief might then be able to access the data stored on the hard disk and log on to the organization ̳s network remotely, if additional protective measures … Read more
NETWORKING DEVICES Computer networking devices are also called network equipment, Intermediate Systems (IS) or interworking Unit (IWU). Common basic networking devices which are very commonly used nowadays are: 1. Repeater – A repeater operates at the physical layer. Its job is to regenerate the signal over the same network before the signal becomes too weak … Read more
C Program to Check whether an Alphabet is Vowel or Consonant This program takes the character value(entered by user) as input and checks whether that character is a vowel or consonant using if-else statement. Since a user is allowed to enter an alphabet in lowercase and uppercase, the program checks for both uppercase and lowercase … Read more
OSI AND TCP/IP MODEL OSI stands for Open System Interconnection is a reference model that describes how information from a software application in one computer moves through a physical medium to the software application in another computer. OSI consists of seven layers, and each layer performs a particular network function. OSI model was developed by … Read more
BASICS OF COMPUTER NETWORKING Networking is the convenient way of making information accessible to anyone, anytime & anywhere. A computer network, often simply referred to as a network, is a collection of computers and devices connected by communications channels that facilitates communications among users and allows users to share resources with other users. A computer … Read more
IP Address Program in C What is IP Address An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. Let’s Start Writting C program to find IP Address. #include<stdlib.h> main() { system(“C:\\Windows\\System32\\ipconfig”); system(“pause”); return 0; }