Introduction to Programming Languages

What is language?
  • Language is to communicate.
  • Communication is the process of transforming data into objects.
  • For this communication, we will use general languages such as English, Telugu, Hindi
What is a Programming language?
  • It is pre-defined application software.
  • It is a standalone application.
Need of computer language?
  • Communication is possible using a language.
  • We need to communicate with the machine to perform complex operations(finding 120! as shown in the diagram) in an easy way.
  • Directly we cannot pass machine understandable instructions to communicate.
  • Hence we need to write programs using any high-level language(source code)
  • The machine can’t understand source code.
  • Compiler is the pre-defined program that translates Source code into Machine code
Diagram that describes need to programming

Diagram that describes need to programming


  • As a programmer, we need to develop applications/interfaces.
  • Using interfaces every End-user can easily interact with the machine without having background knowledge.
  • The interface is nothing but application/software.
  • A screen which provides instructions to end-user to perform the transaction.
Need of Programming Language

Need of Programming Language

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