"storage of digital data in databases and files"
- tps stores data on databases and files.
.For data bases, you need to know relational, network and hierarchical.
.For files you need to know: master file, transaction file, transaction logs, a wrok file, a report file....
"Retrieval of stored data to conduct further transaction processing such as printing invoices"
- HTML, PDF, word and etc
"systems to store paper records of transactions"
-Filing cabinets
- OCR (Online character recognition)
- Document imaging (I.e. scan the papers/papers)
They are all easy...just identify and make up (BS) ur answer...
good luck