Data Handling applications

Results – the findings of the survey can be published as a report.

Faster – results of the survey

Less Errors – input errors are minimal

Fast Result Analysis – Data analyzed quicker

Time/ money savings – Fewer people are needed to carry out the survey.

Address lists

• Address lists are used to store details about friends, family or businesses contacts.
• The details that we might store include:

But the problems is: Easy to lose – Paper address books are quite small and easy to misplace

Hard to update – You had to cross old entries out and replace

Hard to search – if you have a lot of contacts

Advantages of Electronic address lists

Tuck Shop Records

• Tuck shop sell things like sweet, drinks, chocolate and crisps to children.
• Tuck shop have to records:

Income – daily takings

Expenditure – Costs to the business

Stock levels – how much of each product are left

Before computers, theses records were kept on paper in something called an Account’s ledger’. As with any paper – based data handling method, accounts ledgers have certain drawbacks: Disadvantages

Easy to lose – physical books can be misplaced

Hard to update – old records would be crossed out and replaced (messy)

Difficult to backup – any copies had to be made by photocopier

Can be damaged – Fire, water etc

Entry errors – easy to miscalculate or write in the wrong information