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Rashid [163]
3 years ago
7

Define a public static method named s2f that takes two String arguments, the name of a file and some text. The method creates th

e file and writes the text to it. If all goes well the method returns true. If, however, either of its arguments are null or if there is any problem in creating or writin
Computers and Technology
1 answer:
frez [133]3 years ago
6 0

Answer:

Java solution (because only major programming language that has public static methods)

(import java.io.* before hand)

public static boolean s2f(String fileName, String text){

   try{

       PrintWriter out = new PrintWriter(new File(fileName));

       out.println(text);

       out.close();

       return true;

   }

   catch(Exception e){

       return false;

   }

}

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Matlab In this assignment you will write a function that will calculate parallel resistance for up to 10 parallel resistors. Cal
Ket [755]

Answer:

The complete Matlab code along with step by step explanation is provided below.

Matlab Code:

function Req=ParallelR(Number)

Number=input('Please enter the number of resistors: ');

if Number>10 | Number<=0

   disp('Invalid input')

return

end

R=0;

for i=1:Number

r=input('Please enter the value of resistor: ');

R=R+1/r;

end

Req=1/R;

end

Explanation:

Parallel resistance is given by

\frac{1}{Req} = \frac{1}{R_{1}} + \frac{1}{R_{2}} + \frac{1}{R_{3}}...+\frac{1}{R_{N}}

First we get the input from the user for how many parallel resistors he want to calculate the resistance.

Then we check whether the user has entered correct number of resistors or not that is from 1 to 10 inclusive.

Then we run a for loop to get the resistance values of individual resistors.

Then we calculated the parallel resistance and keep on adding the resistance for N number of resistors.

Output:

Test 1:

Please enter the number of resistors: 3

Please enter the value of resistor: 10

Please enter the value of resistor: 20

Please enter the value of resistor: 30

ans =       60/11

Test 2:

Please enter the number of resistors: 11

Invalid input

Test 3:

Please enter the number of resistors: 0

Invalid input

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3 years ago
Joe, a user, has just installed his first home wireless router. Which of the following tasks should be considered to help secure
MakcuM [25]

Answer:

Update the unit firmware.

Explanation:

Updating unit firmware means update the information related to the network that is newly installed on the wireless router. The purpose of this change is to update the devices with new network alterations to work with efficiency and better security. As things are updating on daily basis, so the manufacturer makes the devices, reprogram able to meet the requirement of the future by updating the program in firmware unit. By updating device means this will be to fix the bugs that can be occur in modern era. This will make the device more secure.

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Answer:

all of these

Explanation:

As we know that, at the time of presentation we need to print copy of handouts for the audience of the presentation.

All three steps are necessary because.

A. There may be huge number of audience, so to save paper we place more than one slides per page

B. The flow of presentation must be same on handouts as on your presentation slides.

C. There should be a copy of handout for every person who is sitting in your presentation

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