This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to reduce dpi
Lower the system dpi settings in windows 7.
Open the control panel from the start menu and select " appearance and personalization. " click on " adjust screen resolution " and select " set custom text size (dpi).

Available options: (1). " the only difference between the two settings is that dpi is a fixed pixel color. The shorter the number of pixels in the image, the better the brightness.. (2). " Click on the arrow next to the box labeled " scale to this percentage of normal size " and select an option from the pull-down menu that is smaller in value than the current setting displayed. Click " ok " to confirm the changes made.. (3). " modify the text size setting to the appropriate video " width, " as indicated by the up arrow in the lower-left corner. Change the text height and width to the proper drop-down arrow in the upper-right corner.. (4). " click on " customize text size settings " located in the settings panel located at the very top of the screen. Keep vga in between your default and custom text size settings..
The answer is:
(2).