What acts as a boundary for all the other parts of the abacus?
Explanation of the meaning of boundary for all parts of the abacus.
The frame serves as a boundary for all of the abacus's other components. The abacus includes 17 rods, each with 5 beads. Its top and lower parts of the abacus are separated through a horizontal bar known as a beam.
Hence, the frame acts as a boundary for all the other parts of the abacus.