Work with values and variables

Work with values and variables

1. variables

   • It is the name that represents a value in a program
     • Types
       • An integer is a whole number that counts the number of objects or things.
         • Unsigned
         • Signed
         • The sign (+ or -) needs to be saved by the computer, so space needs to be reserved for it.
           • When the variable is defined, the computer allocates the space needed to store a variable of certain type
       • A string is a list of characters or letters put together
         • They are always between quotation marks
           • Concatenation is the combination of two or more strings to create longer ones
   • Save data temporaly
   • Can be named with: letters, numbers, and underscores
   • When it defines a certain type it can only store that kind of value

2. Languages

   • Allows to convert one type of value to another

3. Fabrizio_Gallardo_Dávalos____________A01632968___________Group_53