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3 years ago

You press the power button in order to start your computer but hear nothing and see nothing. Name 2 possible reasons for this.

Computers and Technology

1 answer:

Rina8888 [55]3 years ago

7 0

Answer:

i. Damage of Power adapters that are supplying power from the switch to the computer.

ii. Damage/ Failure of power supply inside the computer.

Explanation:

There could be many possible reasons that computer is not working or power up while pressing power button. Two of them are discussed here.

i. If the power adapters or cords are damaged than computer will not switched on or display or sound any thing on the computer. As power is not reached to computer with the help of cords. In that case just check that, power cords are perfectly installed in computer and power plugs and that are not damaged.

ii. In case computer power supply is damaged then the computer system will not switched on any nothing will be displayed on the screen. The power supply should be replaced.

iii. In case of memory failure the computer will not start.

iv. In case there is power supply to processor fan damaged than computer will not switched on.

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Answer:

#include <iostream>

using namespace std;

int main()

{

float radius = 5.4;

float circumference = 2 * 3.14 * radius;

float area = 3.14 * radius * radius;

cout<<"the circumference of the circle is "<<circumference<<endl;

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}

Explanation:

Include the library iostream for using the input/output instructions.

create the main function and define the variable with value. Then,

use the formula to calculate the circumference and are of circle.

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Note: All variable define in float type.

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