like Programming flowchart, adding:

• real image of Punched card, etc.

flowchart

 junk@{shape: sm-circ}
 comment@{shape: comment, label: 指示转到图的另一部分<br/>从另一部分转来}

 junk-->process

flowchart TD
  %% Punched Card
  PunchedCard@{shape: card}
  ~~~
 

  print@{shape: document}
  ~~~
  storedData@{shape: stored-data, label: online storage}
  ~~~
  db@{shape: db}
  ~~~
  magneticDrum@{shape: das, label: magneticDrum or DAS}
  ~~~
  disp@{shape: display}
  ~~~
  ManInp@{shape: manual-input}
  ~~~
  ManOp@{shape: manual}