Answer:
Explanation:
When you have a single copy, a large number of concurrent updates that are supposed to go to a file may result in the user obtaining incorrect information. This incorrect information obtained them leads to the file being left in an incorrect state. When you have a lot of or multiple copies, then storage waste exist and the various copies might happen not to be consistent with respect one other. In summary, what happens is that
a) Using one copy saves space, but also the change might have an effect on all the users.
b) Using multiple copies avoids eliminates the change problem, while creating its own problems, using more space.
3 is correct because if brings you to the lock screen and lets you restart the computer
1 is wrong because if you disconnect it there is a chance if won't connect and power it anymore.
The program below is able to calculate the area of a circle inscribed in a Square.
<h3>What is a program?</h3>
A program is a set of instructions given to the computer with specific end results in mind.
<u>Sample program in Java
</u>// Java Program to find the area of
// an inscribed circle in a square.
import java.io.*;
class GFG {
static double PI = 3.14;
// Function to find area of an
// inscribed circle in a square.
static double areaOfInscribedCircle(float a)
{
return ( PI / 4 ) * a * a;
}
// Driver code
public static void main (String[] args)
{
float a = 8;
System.out.println("Area of an inscribed"
+ " circle: " + areaOfInscribedCircle(a));
}
}
Learn more about programs at :
brainly.com/question/1538272
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Answer:
It probably is fake. Send me a screenshot. Also, just saying if it asks you to download a app of something, dont do it its just a scam to make you panic.
Explanation:
