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blsea [12.9K]
4 years ago
8

A small company connects data acquisition equipment to the serial port of a computer. The equipment user has reported that not a

ll data is being received by the computer. A technician wants to check the serial communication between the equipment and the computer. Which tool can the technician use to troubleshoot the serial communication?
Computers and Technology
1 answer:
Setler79 [48]4 years ago
8 0

Answer: Loop-back plug

Explanation: Loop-back plug is the device that is used for the attaching the computer system so that loop-back test can be carried out. Data transmission's integrity is examined with the help of loop-back test.

The procedure is carried out by sending a signal by a circuit and then receiving the signal back to the sending device .This states about the uprightness of the signal.

As per the situation mentioned in the question, loop-back plug should be used by technician to check the issue by connecting the computer with the equipment.

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A database record can best be described as:
ratelena [41]

Answer:

The answer to this question is given below in the explanation section

Explanation:

The correct option to this question is D.

A database record can be best described as the collection of information consisting of one or more related fields about a specific entity. Because a database record represents a record about a specific entity for example a student record studying in a school. A student is a specific entity in the database and it has one or more related fields, for example, name, class, courses in which enrolled etc.

others options are not correct because:

A: a database record is a collection of data about a specific entity and it is not about a limited topic.

B: all database records can be sorted and searched using search algorithms but it is not necessarily because you can search data sometimes using quarries etc.

C: a database record is not a category of information in a table but it is a collection of one or more related field about a specific entity.

5 0
4 years ago
Someone help me I don’t know what to do /COMPUTER SCIENCE
nydimaria [60]
It kind of depends on the intended language, but I can see the following mistakes:

- lines not terminated with a semicolon (but not all languages require this)
- while statement missing parenthesis, ie., while (num1 <= num2), also not required in all languages
- statements below the while statement must be grouped by curly braces
- num1+5 should be num1=num1+5 or num1 += 5

Output will be:

10
15
20
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5 0
4 years ago
List three things that scientists learned about earth beginning in the 1800s
Nataly [62]
They learned the earth was much older than they had previously thought.
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8 0
4 years ago
How to find the largest number in an array java?
melomori [17]

Answer:

<em>One of the ways is to sort the array, then print the last element of the sorted array.</em>

<em>In Java, you can make use of the following code</em>

import java.util.Scanner;

public class Assignment{

public static void main(String [] args)

{

int n;

Scanner input = new Scanner(System.in);

System.out.print("Array Length: ");

n = input.nextInt();

int [] myarray = new int[n];

System.out.print("Input Array: ");

for(int i=0;i<n;i++)

{

           myarray[i]=input.nextInt();

}

int temp;  

for (int i = 0; i < n; i++)  

       {  

           for (int j = i + 1; j < n; j++)  

           {  

               if (myarray[i] > myarray[j])  

               {  

                   temp = myarray[i];  

                   myarray[i] = myarray[j];  

                   myarray[j] = temp;  

               }  

           }  

       }  

           System.out.println(myarray[n - 1]);

       }

}

Explanation:

This line declares n as length of array

int n;

Scanner input = new Scanner(System.in);

This line prompts user length of array

System.out.print("Array Length: ");

This line gets the user input

n = input.nextInt();

An empty array pf length arrowed

int [] myarray = new int[n];

This line prompts user array elements

System.out.print("Input Array: ");

The following iteration gets array element from user

<em>for(int i=0;i<n;i++)</em>

<em>{</em>

<em>            myarray[i]=input.nextInt();</em>

<em>}</em>

This line declares a temporary variable temp

int temp;

<em>This iterations iterates through the elements of rge array</em>

<em>for (int i = 0; i < n; i++)   </em>

<em>        {  </em>

<em>            for (int j = i + 1; j < n; j++)   </em>

<em>            {  </em>

The following if condition checks for the larger of two variables and swap their position

<em>                if (myarray[i] > myarray[j])   </em>

<em>                {  </em>

<em>                    temp = myarray[i];  </em>

<em>                    myarray[i] = myarray[j];  </em>

<em>                    myarray[j] = temp;  </em>

<em>                }  </em>

           }  

       }  

This line prints the largest number of the array

           System.out.println(myarray[n - 1]);

5 0
3 years ago
Submitting a cover letter and resume is a step in the process of applying for a job.
likoan [24]
Very True

When applying for jobs, candidates are required to understand how the job application process works. Getting your Resume ready and being able to write a well-crafted cover letter might guarantee you that job. There are different approaches of submitting a cover letter and a Resume via email. You can always cut and paste your actual cover letter or attach both documents as separate documents to your email.      

 

 

 



3 0
4 years ago
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