Service mark symbol. The service mark symbol (â ), the letters SM in superscript style) is a symbol used in the United States to provide notice that the preceding mark is a service mark.
Size matters: The micro and mini USB connectors are of similar width. But the micro connector is much thinner (smaller vertical dimension). Some product designs were not able to accommodate the height of the mini receptacle and the new thinner receptacle will encourage and allow thinner products.
Key Difference: Dedicated and Integrated Graphics Cards are two types of graphics cards. The main difference between two is that the integrated graphics card comes built in to the computer. Whereas, the dedicated graphics card is an external attachment that must be connected to the motherboard.