What does the following flowchart describe?

a. An operation was performed using machine readable input which yielded document output which was filed.

b. A computer process yielded two kinds of information, some stored online, some printed and stored offline.

c. An auxiliary operation was performed yielding hard disk and printed output.

d. Information generated in a process was displayed on a CRT tube and output as a document for filing.

e. Information was compiled, sorted and output on a printer for subsequent filing.