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katovenus [111]
3 years ago
14

In the beginning of wireless technology, some devices used _____ technology to "beam" information from one source to another sou

rce without the use of wired connections. a. ​air-compression b. ​xray c. ​gamma spectrum d. ​infrared
Computers and Technology
1 answer:
sveticcg [70]3 years ago
4 0

Answer:

D. infrared.

Explanation:

Wireless technology for communication uses electromagnetic wave to transmit signals between location. It eliminates the need of cables for connecting network devices.

In previous wireless technology implementation, Infrared rays were used (in tv remotes), which needed to be in the line of sight to its destination. Although it was fast, it has many limitations for a long-haul transmission like its short transmission range, easily blocked by objects and its uni-directional properties.

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How does the number of jobs in internet media compare to the number of jobs in tv broadcasting and print media?
sashaice [31]

The number of jobs in internet media is a lot when compare to the number of jobs in tv broadcasting and print media as people can now work remotely from home.

<h3>What is the role of media in entertainment?</h3>

The function of mass media in entertainment is mostly to get the people inform and also entertained.

Note that The number of jobs in internet media is increasing daily as people are creating a lot of content when compare to the number of jobs in tv broadcasting and print media as people can now work remotely from home.

Learn more about internet media from

brainly.com/question/13467876

#SPJ1

5 0
2 years ago
Suppose a webpage contains a single text field. We want to make the page such that a user can immediately start typing in the te
just olya [345]

Answer:

The answer is "Option 2".

Explanation:

In HTML5, text inputs use an autofocus attribute, which, when the page is loaded, uses a template to concentrate primarily on text fields. This attribute is a Boolean property that represents the HTML autofocus attribute, showing if the related <select> element will receive an output focus whenever the page loads if it is overruled by the user. An only form-associated entity can have this property specified in a text.

5 0
3 years ago
This is using python.
Wittaler [7]

Answer:

discriminant = b * b - 4 * a * c

discriminant = b ** 2 - 4 * a * c

Explanation:

The operands are correct and in the right order (for python).

** is the operand for squaring something.

* is the operand for multiplying something.

- is the operand for subtracting something.

8 0
3 years ago
Read 2 more answers
QUESTION
Lady_Fox [76]

Answer:

Explanation:

#include <iostream>

using namespace std;

int main ()

{

   int responses[30],count[6];

   int score = 0;

   string resp = " ";

   for (int i = 0; i < 30; i++)

   {

    responses[i] = 0;

   }

   for (int i = 0; i < 6; i++)

   {

    count[i,1]=0;

    count[i,2]=0;

    count[i,0]=0;

   }

   while ((resp != "Y") && (resp != "y"))

   {

    for (int i = 0; i < 30; i++)

    {

        while ((score > 5) || (score < 1))

           {

            cout << "Student " << (i+1)<< " please enter a value (1-5):";

            cin >> score;

        }

           responses[i] = score;

           if((score > 5)||(score<1))

           {

               if(score==1) count[1]++;        

               if(score==2) count[2]++;        

               if(score==3) count[3]++;        

               if(score==4) count[4]++;        

               if(score==5) count[5]++;        

           }

           score = 0;

    }

    cout<< "Response               Frequency              Percentage"<<endl;;

    cout<< "    1                      "<<count[1]<<"               "<<(count[1]/30)<<"%"<<endl;

    cout<< "    2                      "<<count[2]<<"               "<<(count[2]/30)<<"%"<<endl;

    cout<< "    3                      "<<count[3]<<"               "<<(count[3]/30)<<"%"<<endl;

    cout<< "    4                      "<<count[4]<<"               "<<(count[4]/30)<<"%"<<endl;

    cout<< "    5                      "<<count[5]<<"               "<<(count[5]/30)<<"%"<<endl;

    cout<< "Do you want to exit? Press Y to exit any other key to continue: ";

    cin>> resp;

   }

   return 0;

}

8 0
3 years ago
You have installed a new sound card in your system, closed the computer case, and turned on the computer. Windows boots and you
ArbitrLikvidat [17]

The most likely problem which led to the lack of sound after the installation of the new sound card is that the '<em>sound card is not recognized or incompatible</em> '

  • The sound card is an hardware which is installed into a computer in other to allow the the system produce audio signal.

  • Without a sound card installed into a computer, then such computer would not be able to perform <em>audio</em> <em>input or produce audio signals</em>.

However, when a sound card is present and, the computer fails to produce audio signal, then the most likely problem is that, the <em>sound card installed isn't recognized</em>.

Learn more :brainly.com/question/25055825

8 0
3 years ago
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