How many are being used? All of them. If the screen is a 1280 x 1024, that's 1,310,720 pixels.
Abou 5 million, or more...Depending on the computer.
a lot
There is no fixed number. It depends on the product (computer monitor, TV screen, digitial camera) and the model.
A discount LCD monitor has around "1920 x 1080" pixels but this may vary by the type of flat screen television you have as all televisions are not the same. A standard monitor will have the lowest possible settings for pixels.
This question cannot be answered without further information. There are hige variations in the number of pixels in a digital camera, a TV screen, a computer monitor. In each case a different number of them will equal 1%.
1,316,729
That depends on the resolution of the screen the pixel is on. An old tv has a lot less pixels than a modern wide screen computer monitor.
1300 x 1024 = 13312ooooo
The amount of pixels is defined by your monitor, not Excel or whatever application you use. So in landscape mode on different monitors, you would have different amounts of pixels.
A pixel is one of many small dots that are found on a TV screen or computer monitor. These small dots are what make the picture on the screen. The more pixels there are, the clearer the screen.
3
That depends on a lot of things including font type, font size, monitor size, and resolution.
Computer monitors are typically measured and marketed by the diagonal length of the screen. The diagonal can be calculated by using the Pythagorean theorem; that is to take square root of the combined height squared plus the width squared.
There are many good computer monitor cable brands. Examples of good computer monitor cable brands includes the brands VGA, Mediabridge, DVI, and AmazonBasics.