[Tex/LaTex] Which package is using \includegraphics

Question

Which package is using \includegraphics?

I have a issue in my installation package, I need to know which package is using \includegraphics.

The issue is picture showing like a DOT . If we zoom (6400%) that place the picture can see some what TeX image in top.

\documentclass[12pt]{article}
\usepackage{graphicx}
\usepackage{placeins}
\usepackage{float}
\usepackage{subfigure}
\begin{document}

\begin{figure*}[htp]
  \centering
  \subfigure[random caption 1]{\includegraphics[scale=0.38]{pic1.jpg}}\quad
  \subfigure[random caption 2]{\includegraphics[scale=0.38]{pic2.jpg}}
\end{figure*}

Text
\begin{figure}[h!]
    \centering
    \includegraphics[width=10\textwidth]{pic1.jpg}
    \caption{IDEF0sss}
\end{figure}

\begin{figure}[h!]
\includegraphics[width=30mm, height=20mm]{pic1.jpg}
\end{figure}

\end{document}

Answer 1

Either of the packages graphics or graphicx will allow you to use \includegraphics