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grandymaker [24]
3 years ago
13

What two devices in a computer should be considered "black boxes," and should never be opened due to risks involving charged cap

acitors?a. monitorb. power supplyc. hard drived. video card
Computers and Technology
1 answer:
____ [38]3 years ago
4 0

Answer:

Monitor

Power supply

Explanation:

Monitor is the display unit of the computer. It carries capacitors which are charged and helps in electronic display.

Power supply is the unit which converts the AC electric supply to DC supply. It utilizes the capacitors to perform this function

While the hard drive and video card does not contain any capacitors.

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Write a program that reads in investment amount, annual interest rate, and number of years, and displays the future investment v
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Answer:

Following are the code to this question:

import java.util.*; //importing package for user input

public class Main //defining class

{

public static void main(String []ar) //defining main method

{

double investment_amount,interest_rate,future_investment_value; //defining double variables

int years; //defining integer variable

Scanner obx=new Scanner(System.in); //creating Scanner class Object

System.out.print("Enter invest value: "); //print message

investment_amount=obx.nextDouble(); //input value

System.out.print("Enter interest rate: ");//print message

interest_rate=obx.nextDouble();//input value

System.out.print("Enter number of years: ");//print message

years=obx.nextInt();//input value

future_investment_value=investment_amount*Math.pow((1+interest_rate/1200.),years*12); //calculating value by apply formula

System.out.println("you enter amount: $"+investment_amount); //print calculated value

System.out.println("annual interest rate:"+interest_rate+"%");//print calculated value

System.out.printf("Number of years: "+years+" the future investment value is :$%.2f\n",future_investment_value);//print calculated value

}

}

output:

please find the attachment.

Explanation:

Program Description:

  • In the above-given program, inside the main method, a variable is declared that are investment_amount, interest_rate, future_investment_value, and years, in which only year variable is an integer type and other variables are double types.
  • In the next step, a scanner class object that is "obx" is created, which is used to input value from the user end, in the next line we apply the formula to calculate the future_investment_value.
  • At the last step, we all the input and a calculated value    

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Explanation:

only reasonable answer

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How can an antivirus protect your device​
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