What are four ways in which one motherboard may differ from another?

1. Different cpu socket

2.Different voltage needs

3.Different amount of usb ports

4. The need or not of a graphics card

Explanation:

Currently, motherboards that are sold in the market worldwide are mostly producing two kinds of cpu sockets for Intel cpu's or Amd cpu's, this means that motherboards are divided into these two large categories the ones compatible with Intel's and Amd's cpus, after that, we can find motherboards with different voltage needs or capabilities, Amd's cpu often needs an external graphics card, so some of them could come with an extra graphic card socket, and different number of usb sockets included, those are four general differences between motherboards,

solution:

the right option is a

to adding   a new row to a table we   have to do process last table cell and pressing tab.

this is the process to add new row in the cell:

* to add a row below the cell, click insert below in the rows and columns group.

thus this is the required right answer.