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Contact [7]
3 years ago
9

Select the correct answer. Cerise is explaining computer viruses to her students. What is the best way for her to explain a comp

uter virus? A. It is a programming error that crashes the system. B. It is a code that creates multiple copies on loading and damages the system. C. It is a type of advanced operating system used by organizations. D. It is a code that protects computers from malware attacks.
Computers and Technology
1 answer:
Anna [14]3 years ago
3 0

Answer:

B. it is a code that creates multiple copies on loading and damages the system

Explanation:

it is a app which they send to you on your computer or mobile phone

maybe click this link you will get free gift

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Write a program that will open the file random.txt and calculate and display the following: A. The number of numbers in the file
Rama09 [41]

Answer:

Here is the C++ program:

#include <iostream>  //to use input output functions

#include <fstream>  //to manipulate files

using namespace std;  //to identify objects like cin cout

int main(){  //start of main function

  ifstream file;   //creates an object of ifstream

   file.open("random.txt"); //open method to open random.txt file using object file of ifstream

       

    int numCount = 0;  //to store the number of all numbers in the file          

    double sum = 0;   //to store the sum of all numbers in the file

    double average = 0.0;   //to store the average of all numbers in the file

    int number ; //stores numbers in a file

                 

        if(!file){   //if file could not be opened

           cout<<"Error opening file!\n";    }   //displays this error message

       

       while(file>>number){   //reads each number from the file till the end of the file and stores into number variable

           numCount++; //adds 1 to the count of numCount each time a number is read from the file          

           sum += number;  }  //adds all the numbers and stores the result in sum variable

           average = sum/numCount;  //divides the computed sum of all numbers by the number of numbers in the file

     

       cout<<"The number of numbers in the file: "<<numCount<<endl;  //displays the number of numbers

       cout<<"The sum of all the numbers in the file: "<<sum<<endl;  //displays the sum of all numbers

       cout<<"The average of all the numbers in the file: "<< average<<endl;  //displays the average of all numbers

       file.close();     }  //closes the file    

   

Explanation:

Since the random.txt is not given to check the working of the above program, random.txt is created and some numbers are added to it:

35

48

21

56

74

93

88

109

150

16

while(file>>number) statement reads each number and stores it into number variable.

At first iteration:

35 is read and stored to number

numCount++;  becomes

numCount = numCount + 1

numCount = 1      

sum += number; this becomes:

sum = sum + number

sum = 0 + 35

sum = 35

At second iteration:

48 is read and stored to number

numCount++;  becomes

numCount = 1+ 1

numCount = 2    

sum += number; this becomes:

sum = sum + number

sum = 35 + 48

sum = 83

So at each iteration a number is read from file, the numCount increments to 1 at each iteration and the number is added to the sum.

At last iteration:

16 is read and stored to number

numCount++;  becomes

numCount = 9 + 1

numCount = 10    

sum += number; this becomes:

sum = sum + number

sum = 674 + 16

sum = 690

Now the loop breaks and the program moves to the statement:

       average = sum/numCount;  this becomes:

       average = 690/10;

       average = 69

So the entire output of the program is:

The number of numbers in the file: 10                                                                                                           The sum of all the numbers in the file: 690                                                                                                     The average of all the numbers in the file: 69

The screenshot of the program and its output is attached.

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Which unit of the computer works as the input​
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Answer:

Center Processing Unit ....

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A bluetooth device in ____ mode is part of the piconet but is in a low-power state.
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A bluetooth device in park/hold mode is part of the piconet but is in a low-power state. These are power saving modes of operation for Bluetooth devices which are connected to a piconet and  are used when no data is to be transmitted.The hold mode is used when connecting several piconets or managing a low-power device such as temperature sensor. When the park mode is used t<span>he device is still synchronized to the piconet but does not participate in traffic.</span>
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Universal Containers has a requirement to integrate Salesforce with an external system to control record access. What option sho
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C. Use the SOAP API to maintain the related SObject_share records

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Which organization plays a key role in development of global health informatics?
tensa zangetsu [6.8K]

Answer:

International Medical Informatics Association (IMIA)

Explanation:

In respect of the question which askabout the organization who play an important role in regards to the development of global health informatics is International Medical Informatics Association (IMIA).

International Medical Informatics Association (IMIA) which is an interni association which are independent which works toward expanding and sustaining of global Biomedical and Health Informatics community and give maximum support to international initiative which are geared towards providing adequate and standardized health for each and everyone in the world at large.

3 0
3 years ago
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