Packets are shuttled to their destinations by a device called a ____.

PMPs are mostly of two types, music and media players but much of what they can do can also be done on _____

A. Tablets B. Smartphones C. laptops D. all of those

Words with a special meaning that may be used only for their intended purpose are known as

A) single purpose words.. B) programmer-defined identifiers. C) keywords. D) syntax words. E) none of the above.