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uysha [10]
2 years ago
5

When using the Internet, it is important to know the validity of web page you are using. How can you know if the information is

reliable?
Question 3 options:

Sometimes domains that include .gov or .edu come from more trustworthy education or government sources.


Look at at the author bio or About page. How qualified is this person?


We can’t judge a book (or website!) by its cover but sites that are cluttered, difficult to navigate, or look amateurish may be worth avoiding.


All of the above
Computers and Technology
1 answer:
Svetradugi [14.3K]2 years ago
4 0

Answer: it would be the first option

ANSWER FROM EPICTORRACAT

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Which of the following shows a list of Big-Oh running times in order from slowest to fastest?
Rufina [12.5K]

Answer:

O(N!), O(2N), O(N2), O(N), O(logN)

Explanation:

N! grows faster than any exponential functions, leave alone polynomials and logarithm. so O( N! ) would be slowest.

2^N would be bigger than N². Any exponential functions are slower than polynomial. So O( 2^N ) is next slowest.

Rest of them should be easier.

N² is slower than N and N is slower than logN as you can check in a graphing calculator.

NOTE: It is just nitpick but big-Oh is not necessary about speed / running time ( many programmers treat it like that anyway ) but rather how the time taken for an algorithm increase as the size of the input increases. Subtle difference.

5 0
2 years ago
Read 2 more answers
Write a program roman which converts numbers from decimal notation into Roman numerals. roman takes a single argument, a string
MaRussiya [10]

Answer:

// Program is written in C++ programming language

/ Comments are used for explanatory purpose

// Program starts here

#include<bits/stdc++.h>

using namespace std;

//Declare a function named value to represent the symbols of Roman Numerals

int value(char xy)

{

if (xy == 'I') { return 1; }

if (xy == 'V') { return 5; }

if (xy == 'X') { return 10; }

if (xy == 'L') { return 50; }

if (xy == 'C') { return 100; }

if (xy == 'D') { return 500; }

if (xy == 'M') { return 1000; }

return -1;

}

// Convert to numbers , taking Variable named input as input

int Converted(string &input)

{

// Declare a variable to store the calculated output

int calc;

// Set to 0

calc = 0;

// Iterate through input from 0 to the last character

for (int i=0; i<input.length(); i++)

{

int check1 = value(input[i]);

if (i+1 < input.length())

{

int check12= value(input[i+1]);

// Comparing both values

if (check1>= check2)

{

calc+ =check1;

}

else

{

calc+ =check2 - check1;

i++;

}

}

else

{

calc+ =check1;

}

}

return calc;

}

// Main method starts here

int main()

{

// String input declaration

string inp;

cout<"Enter any valid Roman numeral";

cout << "Result is "

<< Converted(inp);

return 0;

}

3 0
3 years ago
Which of the following solutions should an administrator use to reduce the risk from an unknown vulnerability in a third-party s
ser-zykov [4K]

Answer:

A. Sandboxing

Explanation:

The best solution to apply for this task would be Sandboxing. This is a software management strategy that isolates applications from critical system resources and other programs. In doing so you effectively add a secondary security layer on top of the application in order to prevent any and all malware from entering and damaging your overall system. Thus effectively reducing the risk.

4 0
3 years ago
PLS CAN ANYONE HELP ME
Nesterboy [21]

The exercise contains 15 questions. The solution is provided for each question.

Each question contains the necessary skills you need to learn.

I have added tips and required learning resources for each question, which helps you solve the exercise. When you complete each question, you get more familiar with a control structure, loops, string, and list.

Use Online Code Editor to solve exercise questions.

Also, try to solve the basic Python Quiz for beginners

Exercise 1: Given two integer numbers return their product. If the product is greater than 1000, then return their sum

Reference article for help:

Accept user input in Python

Calculate an Average in Python

Given 1:

number1 = 20

number2 = 30

Expected Output:

The result is 600

Given 2:

number1 = 40

number2 = 30

Expected Output:

The result is 70

Explanation:

4 0
2 years ago
What set of code correctly initializes all elements of the array ar to the value 0, given the declaration
Veronika [31]

Answer:

The correct answer is:

C. ndx = 0;

while (ndx < 3) {

ar[ndx] = 0;

ndx++;

}

Explanation:

The declaration given is:

int ar[3];

This means the array consists of three locations and is named as ar.

We know that the indexes are used to address the locations of an array and the index starts from 0 and goes upto to 1 less than the size of the array which means the indexes of array of 3 elements will start from 0 and end at 2.

Now in the given options we are using ndx variable to run the while loop.

So the code to assign zero to all elements of array will be

ndx = 0;

while(ndx<3)

{

ar[ndx] = 0;

ndx++;

}

Hence, the correct answer is:

C. ndx = 0;

while (ndx < 3) {

ar[ndx] = 0;

ndx++;

}

7 0
2 years ago
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