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:
Answer: Business analysis
Explanation:
Business analysis is the review of the sales, costs, and profit projections for a new product to find out whether these factors satisfy the company's objectives.
Based on the business analysis a company is able to set a marketing strategy for a better promotion of its products. So this step is particularly very important.
Answer:
The database models depend very much on what will be the use in the business logic of the company will have directly with the database, primarily implying whether or not to use a relational or non-relational database.
Explanation:
In relational databases there is something called normalization, which after the construction of a data model allows me to optimize in a greater way the way in which I will make the queries within this database, that is a fundamental aspect, since one of the fundamental aspects today about the business logic of companies with databases is the capacity to respond when waiting for a query and if it is delayed a lot there will be inconvenience with the expected result.
Currently there are different examples of in which scenario what kind of database is better, distributed, centralized databases, clusters is.. And it is where you need to be very clear about what is my business and what type of database is adapted more to be.
I hope I could help you.
Use symbols and a different password for each one
C is not correct since in the case of circuits that are lined up in series, if one or them dies they all die.
