Programming Languages

Programming Languages

1. IDE

   • IDE stands for Integrated Develpment Environment
     • examples include IDLE and Pycharm
   • Features of an IDE
     • Editor
       • Auto colour codes key command words,auto indent, auto completion and line numbering
         • Editor makes it easier to write code by having automatic features which the coder can use to be more efficient
     • Error diagnostics
       • Debugging tools to help find errors in program after is been compiled or turned into an executable file.
         • Error diagnostics makes it easier to write code by having debbugging tools that the coder can use to make their code run and be time efficient.
     • Translators
       • Compiler
         • Translates all code at the same time and creates one executable file but stops when it reaches an error, high level code to low level code (machine code)
           • returns list of errors once program is completely compiled
       • Interpreter
         • translates and runs the code on line at a time, high level code to low level code (machine code)
           • returns first error it finds then stops
       • Translates high level code to low level code so that a computer is able to execute the instructions
       • Assembler
         • more readable for humans but still low level language - the mnemonics is a shortened command word that tells the computer what to perform
           • example of mnemonics: ADD, LDA,STA,SUB,DAT,HLT
     • Run time environment
       • Allows the code to run quickly within IDE
         • It can also help identify errors (logic)

2. Higher level programming language

   • designed to be understood by humans
   • examples include PYthon, c++, javascript

3. Lower level programming language

   • Designed to be understood by CPU in a computer system
   • examples include machine code and assembly language