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STatiana [176]
3 years ago
11

In networking, bandwidth is the volume of computer data carried via a conductor in a period of time. Which one of these could be

a conductor of computer data into your home network?a. fiberb. optic cablesc. modemd. router
Computers and Technology
1 answer:
masya89 [10]3 years ago
7 0

Answer:

The answer is "Fiber Optic Cable".

Explanation:

In the given question options are defined, but in these options, there is some error.

The optical fiber cable is also known as internet wiring, which includes fiber strands inside an isolated housing. It is used to transferring data at a very high speed. This cable is developed for long-range data networking, high-performance connectivity, and multimedia, and other choices are wrong that can be described as follows:

  • A modem is used to transmits data over a network, that's why it is wrong.
  • Router is used to transport traffic between your computer and the internet, that's why it is wrong.
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Write a program that reads raw data from a file that contains an inventory of items. The items should be sorted by name, and the
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Answer:

//C++ code

#include<iostream>

#include<fstream>

#include<iomanip>

using namespace std;

/*===============================================*/

// a structure called prod

struct prod

{

string name;// – a string, assumed to have no spaces

double price; // –adollaramount

int inStock; // – the number of items currently in stock.

};

//Fucntion Prototypes

void readInventory(prod products[], int& size);

/*===============================================*/

/*returns: a dollar amount, the total value of the inventory*/

double totalValue(prod products[], int size);

/*===============================================*/

// Sorts the given array by name

void sort(prod products[], int size);

/*===============================================*/

/*a report to a file called “report.txt”.

When the file fails to open, print

“Unable to open output file.” and end.*/

void writeReport(prod products[], int size);

/*===============================================*/

//Function definitions

/*===============================================*/

void writeReport(prod products[], int size)

{

ofstream outfile("report.txt");

outfile << fixed << setprecision(2);

if (!outfile)

{

cout << "Unable to open output file.\n";

return;

}

outfile << "+------------------------------+\n | Current Inventory |\n\

\n+------------------------------+\nNAME PRICE #\n\

\n-------------------- ------- ---\n";

for (int i = 0; i < size; i++)

{

outfile << products[i].name << " " << products[i].price << " " << products[i].inStock << endl;

}

outfile << "+------------------------------+\n";

outfile << "Number of products: " << size << endl;

outfile << "Inventory total value: " << totalValue(products, size) << endl;

cout << "Report written to file\n";

//close the output stream

outfile.close();

}

/*===============================================*/

void sort(prod products[], int size)

{

for (int i = 0; i < size; i++)

{

for (int j = i+1; j < size; j++)

{

if (products[i].name > products[j].name)

{

//swapping

prod temp = products[i];

products[i] = products[j];

products[j] = temp;

}

}

}

}

/*===============================================*/

double totalValue(prod products[], int size)

{

double total = 0;

for (int i = 0; i < size; i++)

{

total += products[i].inStock * products[i].price;

}

return total;

}

/*===============================================*/

void readInventory(prod products[], int& size)

{

// Open a file called “inventory.txt”

//and read the data from the file into the partial array

//.If the file fails to open,

//print “Unable to open input file”

//and set the number of products to 0.

size = 0;

ifstream inFile("inventory.txt");

if (!inFile)

{

cout << "Unable to open input file.\n";

return;

}

string name;

double price;

int qunatity;

while (inFile >> price >>qunatity >>name)

{

if (price != -1 && qunatity != -1 && name != "endofdata")

{

products[size].name = name;

products[size].inStock = qunatity;

products[size].price = price;

size++;

}

}

cout << "inventory read\n";

//close the stream

inFile.close();

}

/*===============================================*/

int main()

{

//declares a partial array of products

prod products[100];

int size;

// invokes readInventory()

readInventory(products, size);

// invokes sort()

sort(products, size);

// invokes writeReport()

writeReport(products, size);

// ends with the standard system pause.

system("pause");

return 0;

}

please see attachment for inventory text and output.

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Which of the following is NOT an advantage to using inheritance?
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Answer:

D)One big superclass can be used instead of many little classes.

Explanation:

Inheritance could be described as getting new class on another existing class with almost same execution,

inheritance allows codes to be re-used. It should be noted that inheritance bring about the code sharing among class.

The advantages of using inheritance includes but not limited to

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