Information

What is the difference between Data and Information?

Information: Data that is Processed/Transformed/Value Added

Data	Information
Grade on a test	Total points earned in a course
Total points earned in a course	Letter grade
Letter grade	GPA
GPA	Total Emplyability Score

What is Information?

That which can be reproduced/transmitted without any loss of value.

Which of the following is information?

• A poem
• A newspaper comic
• A customer
• Acustomer's balance due
• A book (such as this, this)
• The Mona Lisa
• The outcome of a decision
• A doctor's prescription
• An economic forecast
• An engineer's design
• A flower
• A joke
• Money
• A musical score
• A photograph
• A recipe
• A religious sermon
• A computer
• A music performance
• A movie
• A computer program (code)
• Electricity

Which of the following occupations are primarily information producers?

• A surgeon
• A medical doctor (such as one specializing in internal medicine or any other specialty)
• A nurse in a hospital
• A nurse in a doctor's office (preparing patients for the doctor's visit)
• A pharmacist
• A physical therapist

What are the various types of Information?

1. Command: Behavior-controlling signal (copy, save, print, open, close, ...)
2. Data: Relevant details of business events often represented as numbers (customer 482981 bought 5 units of product XYZ at unit price $6.43 at store 576 on 06/04/2007 at 3:04 pm at cash register 2) ==> the most popular conception of information as "facts".
3. Text: Words subject to the rules of language (grammar, semantics, ...)
4. Image: Drawing, photograph, ...
5. Audio: Music, voice, sounds, ...
6. Video: Animation, movie, ...