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olchik [2.2K]
3 years ago
8

A user states that when they power on their computer, they receive a "Non-bootable drive" error. The user works with external st

orage devices to transport data to their computer. The user stated that the computer worked fine the day before. Which of the following should be checked FIRST to resolve this issue?
A. Jumper settings
B. Device boot order
C. PXE boot settings
D. Hard drive cable
Computers and Technology
1 answer:
laila [671]3 years ago
8 0

Answer:

B. Device boot order

Explanation:

The Device boot order makes a list of all the possible devices a system should check to in the operating system's boot files, as well as the proper sequence they should be in. Removable devices, hard drives, and flash drives are some devices that can be listed in the device boot order.

For the user whose computer displays a 'non-bootable drive' error, the device boot order would check all the devices listed to attempt booting from any of them. These devices might be in the order of removable discs, CD-ROM, hard drive. If all the options do not work, the computer would then do a Network boot. The order in which the devices are listed can be altered by the user.

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(Palindrome integer) Write the methods with the following headers // Return the reversal of an integer, i.e., reverse(456) retur
Debora [2.8K]

Answer:

import java.util.Scanner;

public class PalindromeInteger {

public static void main(String[] args) {

 // Create an object of the Scanner class to allow for user's inputs

 Scanner input = new Scanner(System.in);

 // Create a prompt to display the aim of the program.

 System.out.println("Program to check whether or not a number is a palindrome");

 // Prompt the user to enter an integer number.

 System.out.println("Please enter an integer : ");

 // Receive user's input and store in an int variable, number.

 int number = input.nextInt();

 // Then, call the isPalindrome() method to check if or not the

 // number is a  palindrome integer.

 // Display the necessary output.

 if (isPalindrome(number)) {

  System.out.println(number + " is a palindrome integer");

 }

 else {

  System.out.println(number + " is a not a palindrome integer");

 }

}

// Method to return the reversal of an integer.

// It receives the integer as a parameter.

public static int reverse(int num) {

 // First convert the number into a string as follows:

 // Concatenate it with an empty quote.

 // Store the result in a String variable, str.

 String str = "" + num;

 // Create and initialize a String variable to hold the reversal of the  

 // string str. i.e rev_str

 String rev_str = "";

 // Create a loop to cycle through each character in the string str,

 // beginning at  the last character down to the first character.

 // At every cycle, append the character to the rev_str variable.

 // At the end of the loop, rev_str will contain the reversed of str

 for (int i = str.length() - 1; i >= 0; i--) {

  rev_str += str.charAt(i);

 }

 // Convert the rev_str to an integer using the Integer.parseInt()

 // method.  Store the result in an integer variable reversed_num.

 int reversed_num = Integer.parseInt(rev_str);

 // Return the reversed_num

 return reversed_num;

}

// Method to check whether or not a number is a palindrome integer.

// It takes in the number as parameter and returns a true or false.

// A number is a palindrome integer if reversing the number does not

//  change the  number itself.

public static boolean isPalindrome(int number) {

 // check if the number is the same as its reversal by calling the

 //reverse()  method declared earlier. Return true if yes, otherwise,

               // return false.

 if (number == reverse(number)) {

  return true;

 }

 return false;

}

}

Explanation:

The source code file for the program has also been attached to this response for readability. Please download the file and go through the comments in the code carefully as it explains every segment of the code.

Hope this helps!

Download java
7 0
3 years ago
Why would Network Systems employees be employed by the government?
Ghella [55]
Well knowing how the government is with security id go with A. as it makes a lot of sense unlike B and D and if they were looking for software the question would mention it
8 0
3 years ago
Read 2 more answers
Smith, Smith, Smith, and Smith (S4) is a regional accounting firm will be moving to a new four-story building. There will two Lo
ICE Princess25 [194]

Answer:

Crosstalk, Jitter, Impulse noise.

Explanation:

Crosstalk is a network error that occurs when one pair of cable causes interference on another pair of cables thereby preventing efficient data transmission.

Jitter may also impair the accuracy of the data being transmitted across network because minute variations in amplitude, phase, and frequency always occur. The generation of a perfect carrier signal in an analog circuit is almost impossible. The signal may be affected by continuous and rapid network gains or phase changes.

Impulse noise (also referred to as spikes) is the primary source of errors in data communications.  Impulse noise can be caused by positioning a communications cable near a source of intermittent but strong electromagnetic pulses, such as an elevator motor.

Counter measures

Shielding (protecting wires by covering them with an insulating coating) is one of the best ways to prevent impulse noise, cross-talk.

Amplifiers can be used to increase signal strength since the connection would run across 4 floors.

5 0
3 years ago
Write a menu-based program in C++ for an input restricted dequeue using Linked List consist of
Natali5045456 [20]

Answer:

C++ With Examples

— Input-restricted Deque: In input-restricted, deletion can be done from ... getLast: Retrieves the last item in the queue. ... Now, we insert element 3 at the rear.

8 0
2 years ago
What are entity-relationship diagrams and how are they used? What symbol is used for a relationship? What is an associative enti
castortr0y [4]

Answer:

The definition including its given problem is outlined in the following segment on the clarification.

Explanation:

  • Entity-relationship (ER) diagram describes how mechanical stored procedures are constructed and demonstrate the overarching representation of the situation. It also describes the connections between some of the entities of the framework and even the comparison with standard measurements.
  • For something like an individual relationship structure, the normal representation of connections seems to be a diamond. Associative institutions have several to many partnerships to communicate with. It's indeed the verb throughout a diamond-shaped form that holds two organizations around each other. This verb is in fact an entity on its own, therefore it must be termed an associative entity.
  • An illustration of such might be if a participant were to register for a class. Multiple individuals will be registered for several courses, and there have been many to several relationships; thus, the associative object will indeed register.
4 0
3 years ago
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