Answer:
using System;
class CheckDigit
{
public static void Main (string[] args)
{ //Accepting value from user
Console.WriteLine ("Enter a four-digit account number");
int acc = Convert.ToInt32(Console.ReadLine());
int d=acc%10; //extracting the last digit
acc=acc/10; //having the first three digit
if(acc % 7 == d) //checking and displaying
Console.WriteLine ("Valid Account Number");
else
Console.WriteLine ("Invalid Account Number");
}
}
Explanation:
An electrical spike is a temporary, very short (less than a second), increase in the electrical supply voltage. A common surge protector will stop voltage spikes and surges. Use surge protectors and UPS devices by connecting all sensitive electronic equipment to UPS or surge protection devices.
E-text <span>is digital textual information that can be stored, manipulated, and transmitted by electronic devices. The term "e-text" stands for electronic text and it is used for any digital document written, read, transmitted or manipulated by electronic devices, such as smart phones, PCs, tablets,...The origins of the e-text are in the beginning of the Internet.</span>
You can change the format of individual chart elements, such as the chart area, plot area, data series, axes, titles, data labels, or legend.