The Equator is a parallel, which runs east/west. The Prime Meridian is, redundantly, a meridian and runs north/south.
http://en.wikipedia.org/wiki/Prime_Meridian
what are the examples of parralel processing
No.
Yes.
No
breast breast
two
2
Parralel parking with a miget.
For map reading purposes, which includes dividing lines for nations such as Korea and Vietnam; a parallel is an imaginary man made line that circles the earth, designed in latitudes north and south of the equator. Used for (as) reference points when navigating.
Yes.
No but sometimes they are equal in length.