\documentclass{exam}
\usepackage{pst-circ}
\usepackage{multicol}
\begin{document}
\begin{pspicture}(-1,-1)(5,4)
\logic[logicWidth=2,unit=0.5,logicHeight=4,logicNInput=3](-2,-2){or3}
\end{pspicture}
\end{document}
3
5
The version pf pst-circ.tex
from http://texnik.dante.de/tex/generic/pst-circ/ knows the optional arguments logicLabelstyle
and logicSymbolstyle
. You can set these parameters to an empty argument:
\documentclass{exam}
\usepackage{pst-circ}
\begin{document}
\begin{pspicture}(-1,-1)(5,4)
\logic[logicWidth=1,logicHeight=2,logicNInput=3,
logicSymbolstyle=,logicLabelstyle=](-2,-2){or3}
\end{pspicture}
\end{document}