Information-Processing

Homework – 21/2/09

Acquisition - Students decide to collect money each week for social service. They use a spreadsheet to monitor the collection. Jenny acquires data each week by recording on paper the amount raised on the date.
Input – She then inputs the data into the spreadsheet using the keyboard.
Validation – The data is validated by in-built 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 is 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 the year when the file is no longer needed, Jenny deletes the file from her computer.