Answer:
// This program is written in C++ programming language
// Comments are used for explanatory purpose
// Program starts here
#include<iostream>
using namespace std;
int main ()
{
// Declare and initialize variables
float connecfee = 1.99;
float first3 = 2.00;
float addmin = 0.45; float cost;
int minutes;
// Prompt user for minutes talked
cout<<"Enter Number of Minutes: ";
cin>>minutes;
// Calculate cost;
if(minutes < 1)
{
cout<<"Enter a number greater than 0";
}
else if(minutes <= 3)
{
// Calculating cost for minutes less than or equal to 3
cost = connecfee + first3 * minutes;
cout<<"Talk time of "<<minutes<<" minutes costs "<<cost;
}
else
{
cost = connecfee + first3 * 3 + addmin * (minutes - 3);
cout<<"Talk time of "<<minutes<<" minutes costs "<<cost;
}
return 0;
}
// End of Program
Depending on the type of computer, we don't use binary. Analog and mechanical computers can express more than two values.
The electronic computers that we commonly use are electronic digital computers. Digital computers use binary. That way it's simple, if there's no voltage that's considered logical 0. If there is voltage it's considered logical 1.
Answer:
The answer to this question can be given as:
The first antivirus was written in 1987 by the German security expert Bernd and the name of the antivirus is Vienna Virus.
Explanation:
Antivirus: It is a software or anti-malware software that is used for providing security. It is a tool that runs on various digital devices and searches for files that should not be on your computer. If the file is found then It defends the computer from incoming threats and seeks-out, stops and alerts of viable threats from the system so the computer works properly. So, the first antivirus was developed in 1987 by German security expert Bernd.
C. Let the database assign a unique number in a new field
