Jumpers enable the computer and enabling the electricity to stream particular segments of the circuit board. Jumpers include a set of little pins which can be covered with a little plastic carton (jumper block) as revealed in the illustration to the right.

A computers MODEM speed is frequently symbolized in kbps, for Example, a 28.8kbps MODEM.

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Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone.