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pendojo3
The operational Frame work describes the overall structure of your work. For example is your work is related to routing protocols then the operational famework may be the mobility models, network configurations, resource distributions etc.
a standard bass guitar has four thick strings ususally played one at a time to cover the lower notes (left hand keys of the piano) and usually used to help drive the beat. A standard normal guitar has six strings usually played multiple string at a time (chords) to privide the famework melody (right hand keys on the piano) for vocals and/or soloes (usually a standard guitar played one string at a time)