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Vera_Pavlovna [14]
3 years ago
12

Component of search engine that indexes web sites automatically. A search engine's __________, copies web page source code into

its index database and follows links to other web pages
Computers and Technology
1 answer:
kherson [118]3 years ago
8 0

Answer:

crawler

Explanation:

A crawler (also known as spider or robot) is a component of search engine that indexes web sites automatically. It's main purpose is to systematically browses the World Wide Web, typically for the purpose of Web indexing.

It does this by visiting a list of linkss, as it does this it identifies all the hyperlinks found in the web pages and copies and saves them to the list of links to visit.

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Write the definition of a class Phone containing: 1. A data member named model of type string. 2. A data member named partNumber
Nady [450]

Answer:

class Phone(object):

   def __init__(self, model, partNumber, retailPrice):

       self.model = model

       self.part_number = partNumber

       self.retail_price = retailPrice

   def phone_specs(self):

       print( "Phone model: {}\nPart number: {}\nRetail price: {}".format( self.model, self.part_number, self.retail_price))

phone1 = Phone("Nokia", "asd234", 200.0)

phone1.phone_specs()

Explanation:

A class is a blueprint of a data structure used to create objects of the same data types and methods. The Phone class is an object that creates an instance of the phone1 object. The phone_specs method is used to display the details of the phone1 object.

4 0
2 years ago
All of the following are the four more widely social media networks discussed in the text EXCEPT:
Elan Coil [88]
The answer is E) Groupon
8 0
3 years ago
Read 2 more answers
Using a text editor, create a file that contains a list of at least 15 six-digit account numbers. Read in each account number an
Zanzabum

Answer:

See explaination

Explanation:

/File: ValidateCheckDigits.java

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileWriter;

import java.io.IOException;

import java.util.Scanner;

public class ValidateCheckDigits {

public static void main(String[] args) {

String fileName = "numbers.txt"; //input file name

String validFileName = "valid_numbers.txt"; // file name of the output file

//Open the input file for reading and output file for writing

try(Scanner fileScanner = new Scanner( new File(fileName));

BufferedWriter fileWriter = new BufferedWriter( new FileWriter(validFileName))) {

//Until we have lines to be read in the input file

while(fileScanner.hasNextLine()) {

//Read each line

String line = fileScanner.nextLine().trim();

//calculate the sum of first 5 digits

int sum = 0;

for(int i = 0; i < 5; i++) {

sum += Integer.parseInt( line.charAt(i) + "");

}

//Get the last digit

int lastDigit = Integer.parseInt(line.charAt(5)+"");

//Check if the remainder of the sum when divided by 10 is equal to last digit

if(sum%10 == lastDigit) {

//write the number in each line

fileWriter.write(line);

fileWriter.newLine();

System.out.println("Writing valid number to file: " + line);

}

}

System.out.println("Verifying valid numbers completed.");

} catch(IOException ex ) {

System.err.println("Error: Unable to read or write to the file. Check if the input file exists in the same directory.");

}

}

}

Check attachment for output and screenshot

4 0
3 years ago
Write a program that prompts the user to input a number. The program should then output the number and a message saying whether
Gala2k [10]

Answer:

Following is the program in C++ Language

#include <iostream> // header file

using namespace std; // namespace std

int main() // main method

{

   int n;  // variable declaration

   cout<<" Please enter the number :";

   cin>>n; // Read the number

   if(n>0) // check the condition when number is positive

   {

cout<<n<<endl<<"The number is Positive"; // Display number

   }

  else if(n<0) // check the condition when number is Negative

  {

cout<<n<<endl<<"The number is Negative";// Display number

  }

  else // check the condition when number is Zero

  {

cout<<n<<endl<<"The number is Zero";// Display number

  }

   return 0;

  }

Output:

Please enter the number:

64

The number is Positive

Explanation:

Following are the description of the program

  • Declared a variable "n" of int type.
  • Read the value of "n" by user.
  • Check the condition of positive number by using if block statement .If n>0 it print the number is positive.
  • Check the condition of negative number by using else if block statement If n<0 it print the number is negative.
  • Finally if both the above condition is fail it print the message " The number is Zero"

7 0
3 years ago
In what domain electrica energy is the most use
amm1812

Answer:the main signal bearing entities are voltage and their current in circuit environments.

Explanation:

5 0
3 years ago
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