In which switching technique, a dedicated
and complete physical connection is
established between two nodes ?
(a) packet switching
(b) message switching
(c) data switching
(dj circuit switching

Apositive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

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