This isn't a homework question but rather a technological problem. i connected my device to the motherboard but it will not detect it (see image). if there is any computer . it will be greatly appreciated: )

What operating system is a smartphone most likely to use? 1.bsd 2.mac os x 3.symbian 4.linux

What is added to the < meta > tag to describe the encoding type?

Alook-up table used to convert pixel values to output values on a monitor. essentially, all pixels with a value of 190 or above are shown as white (i.e. 255), and all values with a value of 63 or less are shown as black (i.e. 0). in between the pixels are scaled so that a pixel with a value p is converted to a pixel of value 2/127 −+3969). if a pixel has a value of 170 originally, what value will be used to display the pixel on the monitor? if a value of 110 is used to display the pixel on the monitor, what was the original value of the pixel?