C Program to find GCD of N Numbers

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C program for GCD

C Program to find GCD of N Numbers #include<stdio.h> int main() { printf(“\n\n\t\tC Program for Greatest Common Divisor(GCD)\n\n\n”); int x, y =- 1; printf(“Enter numbers. To exit enter 0\n”); while(1) // infinite loop to take input { scanf(“%d”, &x); if(x < 1) break; else if(y ==- 1) // only 1 number entered, its GCD is … Read more

G.711 Codec

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VoIP-Codecs

G.711 Codec G.711 is a codec that was introduced by ITU in 1972 for use in digital telephony. The codec has two variants: A-Law is being used in Europe and in international telephone links, uLaw is used in the U.S.A. and Japan. G.711 uses a logarithmic compression. It squeezes each 16-bit sample to 8 bits, thus it achieves a … Read more

Ubuntu Commonsense Security

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As you start to understand how Ubuntu works, you’ll become more and more aware of commonsense methods that will protect your system. However, we’ll outline a few of these now to get you started: •Entering your password: Be very wary if you’re asked to enter your password (outside of initial login, of course). You’ll be … Read more

Root and Ordinary Users

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Although users are the subject of another chapter, allow us to introduce the distinction between the root user account and ordinary users, because this distinction is the foundation on which much of the security model is based. For a more in-depth discussion on the matter. Linux makes use of something called the root user account. … Read more

Windows Security vs. Linux Security

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If you’ve switched to Ubuntu from Windows, there’s a very good chance that the security failings of Windows featured in your decision. Windows 7 contains many improvements, but Microsoft’s record on security over the past few years has not been great. New and serious security warnings have appeared on an ongoing basis, and even now, … Read more

Using Power-Management Preferences

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Depending on the degree to which your computer supports power-saving functionality, Ubuntu will let you configure your display to go into standby mode after a certain amount of time and will also allow you to configure your notebook to enter sleep (standby) mode. In addition, if you use a notebook computer, Ubuntu might let you … Read more