it has none
none
None.
N has no lines of symmerty !
It is the capital letter N that has vertical parallel lines.
A capital N has no lines of symmetry (nor semetry).
north
n - 1
1
An n-to-2^n decoder has n input lines. Each combination of the n input lines corresponds to one of the 2^n output lines being activated. Thus, for a decoder to function correctly, it requires exactly n input lines to decode the binary input into a specific output line.
Yes, the capital letter N has rotational symmetry but no lines of symmetry:
[(n-1)*(n-2)]/2.
It is C which has no perpendicular or parallel lines