Logical thinking

Logical thinking

1. Data type

   • Data is a piece of information . There are 4 types of data:
     • Numeric: This refers to any type of data represented by nubers
       • For example : An equation, the age of a person, etc
     • Alphanumeric: It is any type of text made from the combination of numbers and letters. Doesn't represent any arithmetic operation.
       • For example: Someone's name, city or country
     • Audiovisual: These are the things that we can hear or watch
       • A song, a movie or a video
     • Physical: Those that are are taken from the enviroments
       • Light, temperature, etc

2. Variables

   • It's a symbolical place in the memory, in wich we can save values in a temporary way, although the content might change later on
     • For example: a P.O. Box

3. Constants

   • A symbolical permanent place in the memory. It is called a constant because it's content never changes.
     • For example: Pi