Programming Languages

Known Languages
1. Python
2. C++
3. Java
4. C#
5. Ruby
6. VBS
7. PHP
8. Java Script
Old Computers
1. Developed to crack the Enigma code by Turing and his team
  1. WW2
2. Small amount of memory made from vacuum tubes
3. Calculations were done in the accumulator
4. All coding done in machine code
  1. Typical instructions had operation code
Types
1. Low Level Languages
  1. 1st Generation Machine Code
  2. 2nd Generation Assembly
2. High Level Languages
  1. 3rd Generation Imperative
    1. Most programming languages are 3rd Generation
  2. 4th Generation Data Query, Analysis and Reporting
Low Level Languages
1. Advantages
  1. Smaller memory footprint
  2. Better code optimisation and will run faster
  3. Total control over processor
2. Disadvantages
  1. Less easy for a human to understand
  2. Easier to make errors
  3. Machine dependent
    1. Difficult to port a different instruction set processor
Hierachy of high level languages
1. Declative
  1. Logic
  2. Database Query
  3. Functional
  4. Problem-orientated, not machine-orientated
    1. Describes the desired output, not specific commands
2. Imperetive
  1. Object Orientated
    1. Class
      1. A template for an object
        Similar to database entries
    2. Object
      1. Bundle of variables and related methods
    3. Method
      1. Operation that can modify an object's behaviour by manipulating variables
    4. Property
    5. Visual GUI
      1. Implementation of buttons, windows, icons, etc.
  2. Presidual
  3. Includes sequence, selection, and iteration blocks
  4. Doesn't deal well with ideas and concepts

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	Criado por Charlie Turner aproximadamente 8 anos atrás