9 Data steps

Acquisition
Jenny acquires data each week by recording on paper the amount raised and the date.
Input
She then inpts this data into the spreadsheet using the keyboard.
Validation
The data is validated by inbuilt formulas that check the amount is reasonable.
Manipulation
The data for each week is manipulated using a formula to total the amounts.
Storage
The file is saved to the hard drive after processing.
Retrieval
On the next collection day, the file is retrieved and new data added.
Output
Output in the form of a printout is obtained at the end of each month.
Communication
Copies are printed, communicating the information to all students by hand.
Disposal
At the end of they ear, when the file is no longer needed, Jenny deletes the file from her computer.