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sladkih [1.3K]
3 years ago
8

What is the difference between a software engineer and a system analyst?

Computers and Technology
1 answer:
cricket20 [7]3 years ago
6 0

Answer:

A software engineer make things to be perfect. A system analyst researches about things. That is the difference.

Explanation:

Hope this helps!

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Moore's Law postulates that:This task contains the radio buttons and checkboxes for options. The shortcut keys to perform this t
Brums [2.3K]

Answer:

B. the number of transistors per square inch on integrated circuits will double every two years.

Explanation:

The law has been staying true to its postulation as it has been used in so many fields and for every measure of the capabilities of digital electronic devices, including computer processing speed and memory capacity.

It has led to a paradigm shift , technology adoption life cycle and diffusion innovation theory.

5 0
3 years ago
What is the name of a robot astronaut created by NASA
dsp73

<span>
The name of the robot astronaut created by NASA is Robonaut 2.</span>

<span /><span>This robot has arm, legs, a head and a torso. It even has fingers so that it is able to use the same tools that is used by human astronauts. </span>

<span> Hope this helps. :)</span>

4 0
3 years ago
Read 2 more answers
Most presentations use text: A. To maximize area and style. B. At a minimum. C. To draw attention to content. D. Without restrai
klemol [59]

The answer is most likely A.


Hope this Helped!


;D

4 0
3 years ago
Read 2 more answers
A computer equipped with fingerprint recognition software, which denies access to a computer to anyone whose fingerprint is not
morpeh [17]

Answer: C. It is not possible for any top computer hacker to gain access to a computer equipped with the recognition software solely by virtue of skill in replicating the structure of fingerprints

Explanation:

Option A is incorrect. There's no information on the speed and analysis of the fingerprint.

Option B is incorrect. No information regarding computer installation was given in the passage.

Option C is correct. With the information, it can be concluded that it is impossible for a top hacker to have access to the protected computer.

Option D is Incorrect. Information regarding time and investment costs that were incurred during the software development wasn't given in the passage

Option E is Incorrect. The passage didn't give information on the errors that the software produced.

8 0
3 years ago
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.

5 0
4 years ago
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