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Inessa05 [86]
3 years ago
6

3.1.5 Which network component connects a device to transmission media and allows the device to send and receive messages?

Computers and Technology
1 answer:
Rom4ik [11]3 years ago
8 0

Answer:

Network Interface Card (NIC)

Explanation:

Also called Ethernet Card, the Network Interface Card (NIC) allows a computer or any device to make wired or wireless connections with other devices in a network. This connection made possible by the NIC allows the device to send and receive messages in the network.

An application of this is seen in Internet of Things(IoT) where devices communicate with one another. This is actually possible because all of the devices one way or the other have a network interface card.

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mafiozo [28]
The range of cells from zz1 to zz23
7 0
3 years ago
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Write code which takes a sentence as an input from the user and then prints the length of the first word in that sentence.
Afina-wow [57]

import java.util.Scanner;

public class U2_L3_Activity_Four {

   public static void main(String[] args) {

       Scanner scan = new Scanner(System.in);

       System.out.println("Enter a sentence.");

       String sent = scan.nextLine();

       int count = 0;

       for (int i = 0; i < sent.length(); i++){

           char c = sent.charAt(i);

           if (c != ' '){

               count++;

       }

           else{

               break;

           }

       

   }

       System.out.println("The first word is " + count +" letters long");

   

   }

}

We check to see when the first space occurs in our string and we add one to our count variable for every letter before that. I hope this helps!

7 0
3 years ago
Two machines can finish a job in StartFraction 20 Over 9 EndFraction hours. Working​ alone, one machine would take one hour long
Alborosie

<em><u>Answer</u></em>

5 hours

<em><u>Explanation</u></em>

The two working together can finish a job in

\frac{20}{9}  \: hours

Also, working alone, one machine would take one hour longer than the other to complete the same job.

Let the slower machine working alone take x hours. Then the faster machine takes x-1 hours to complete the same task working alone.

Their combined rate in terms of x is

\frac{1}{x}    +  \frac{1}{x - 1}

This should be equal to 20/9 hours.

\frac{1}{x}  +  \frac{1}{x - 1}  =  \frac{9}{20}

Multiply through by;

20x(x - 1) \times \frac{1}{x}  +20x(x - 1) \times   \frac{1}{x - 1}  =  20x(x - 1) \times \frac{9}{0}

20(x - 1)  +20x = 9x(x - 1)

20x - 20+20x = 9{x}^{2}  - 9x

9{x}^{2}  - 9x - 20x - 20x + 20= 0

9{x}^{2}  - 49x  + 20= 0

Factor to get:

(9x - 4)(x - 5) = 0

x =  \frac{4}{9}  \: or \: x = 5

It is not feasible for the slower machine to complete the work alone in 4/9 hours if the two will finish in 20/9 hours.

Therefore the slower finish in 5 hours.

8 0
3 years ago
Ethics issues are significant in the area of online privacy because laws have not kept pace with the growth of the Internet and
raketka [301]

Answer:

The answer is "True"

Explanation:

In the given statement some information is missing that is "True or false"

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  • The security of the Internet is recognized as the privacy of the User.
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7 0
3 years ago
Fill in the missing step in the following deadlock situation. Two users from the local board of education are each running a pro
Softa [21]

Answer:

b. P2 requests drive 2 and gets it.

Explanation:

Two users from the local board of education are each running a program (P1 and P2), and both programs will eventually need two DVD drives to copy files from one disc to another. Only two DVD-R drives are available and they’re allocated on an "as requested" basis. Soon the following sequence transpires: P2 requests drive 2 and gets it.

7 0
3 years ago
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