Programming Languages

Dominic Heinrichs, Benedikt Beughold, Vitali Regehr, Tim Knieper

2RWE Systems • 19.04.23

What is programming language?

Programming language is a bridge between the computer and the user

Spoken language is too complex für a computer

First programming language: binary code (Two states of a switch: 0 and 1, off and on)

3RWE Systems • 19.04.23

History of programming language I

First form of programming language: binary code

Assembler Languages: short words (mnemonics) represent a set of binary instructions to made programming languages much more easier (e.g.: „add“ addition of two numbers)

High-level languages use words or abbreviations that a easy recognisable (FORTRAN, COBOL)

FORTRAN & COBOL are the first procedural programming languages (single-point of entry and exit to solve a problem)

APIs (Application Program Interface)

4RWE Systems • 19.04.23

History of programming language II

Object-oriented programming

5RWE Systems • 19.04.23

Characteristics of programming languages

vocabulary

punctation

identifiers

operators

syntax

6RWE Systems • 19.04.23

Compiled Languages

7RWE Systems • 19.04.23

Interpreted languages

JavaScript, VBScript & HTML