Fundamentals of programming

Fundamentals of programming

 Computer

• It is a programmable machine which execute the schedule task. 
• To perform a task or accomplish a goal, a system receives inputs, process and return output.

     For example, if we consider a school system,

         Input - Children, Teacher, Funds

         Process - Teaching and learning

         Output - Educated students

                           Data → Processing→ Information

Computer uses Compiler and interpreter to perform the task

Compiler

• It translate the whole program into machine language.  
• Compiler translate all the command in a program to an object code which can be understand by the computer. 
• Once a program is compiled, it can be executed by the machine.

             Example: C and FORTRAN

• The main process what the compiler does is to translate Source Code Program into Object Code Program. 
• Errors found in a program are called "bugs" and the process of eliminating from a program is called Debugging.

Interpreter

• An interpreter does the translation at the moment the program is run, one line at a time. 
• As a result, the lines of the program have to be translated into machine code each time the program is run.

           Example: VB and Python

  Computer programming

• It is a process of developing and illuminating various set of instructions to unable a computer to do a certain task.
• Computer program is a set of instructions or commands, which tell the computer what to do.
• Computer languages are used to develop application program.

Computer program

• Computer programmes are the set of instructions developed by using computer programming languages.
• Computer programmes are designed to give the instructions to the computer systems.

Computer programming languages

• A programming language is a set of instructions to create software to solve a problem. 

The following are the some example of programming languages

 

1. C
2. C++
3. Java
4. Python
5. BASIC
6. VB.NET
7. Pascal
8. Ruby

              Real world problems ↔ Computer → Solutions
                                                         ↓
                                     Instructions to solve the                    problem(Program)