Programming

Programming

1. Values and variables

   • Type the tape of value
     • Integer
     • Real
     • String
     • Double
     • Float
   • Give the value a name
     • No spaces, special characters, do not start with a #
       • myNumber
       • Hello!
       • Price1
   • Assign a value
     • Use an operator
       • = <= >=
     • A number
   • Display the code
     • Console- another statement
       • Writting Method
         • Parenthesis
           • Inside the variables name
   • Run the program
     • //Define a variable with a value
       • double myNumber = 5.2 ;
         • //Send the value of the variable to the console
           • Console. Writeline (myNumber) ;
   • Console class
     • Send output to the console to print content in the screen
   • Writeline Method
     • To tell the computer what message to print inside the ()

2. History of programming

   • Ada Loulece wrote an article on Bernouil numbers, this was considereated to be the very first computer program.
   • Babbage did a proposal in 1840 of an Analgetical engine
   • Programming languages will evalue in the future with future waves and new technology
   • Programming and computers got smaller and more powerful, more languages were created
   • Main frame computers
     • Data required instructions
       • Instructions were entered by keyboard and everything was done through print outs
   • Evolution
     • Theorical to physical
     • Manual to automatic
     • Analog to digital

3. Forms of programming

   • Machine Languages
     • You can program directly
     • Codes
       • Compiled languages
         • Instructions are given by humans, later is converted by the computer
           • At the end is a executable program
       • object Orienteted Languages (OOP)
         • Everything is treated like an object
           • Object = value
             • This ended like a method
               • Operating systems
                 • For configuration, install a software or perform maintenance
       • Functional Programming
         • Transforms equations to values
           • x, f(x)
             • Define tasks to complete an algorithm