You need to determine how many different kinds of things you have to process:
- Media Type:
- books
- DVD's and CD-ROM's (audio and data)
- audio cassettes
- VHS cassettes
- other
- Item Number: unique vs. non-unique.
- Item Piece Count: Single-piece items vs. multi-piece items.
There are (5 media types )
times (2 item number types )
times (2 item piece count attributes )
equals (20 possible cases to consider ) !!!
For each case you need to verify you can reliably do:
- Checkout
- Checkin
- Control at gate
- Sort
All A/V items are intrinsically multi-piece items, because you have a case and the media.
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