Guide To Computer Programming For Beginner - Part 2

PROGRAMMING GUIDE - PART 2

I posted PART 1 of this article earlier... You can check it out Guide To Computer Programming For Beginner - Part 1  ...

Today lets move forward a bit... Programming has been defined in Part 1 

There are hundreds - even thousands -of programming languages out there.. (Programmers like to write new programming languages.) You don't need to learn them all to be a good programmer, in fact, many of them use the same paradigm as other languages. so by learning one programming language, you'll probably have a "Reading knowledge" of several others and be able to learn it completely rather quickly...

Some languages are geared for specific purposes. C, Java, etc. are meant to be "general purpose" languages for building software and computer applications (like a web browser!) Languages like PHP are meant for dynamic websites (like bear shares, wikiHow!) And there are others still: Python, Perl, etc. are "general scripting languages" meant for performing a wide variety of small tasks... 

The computer uses different types of programming languages. A prominent purpose of programming languages is to provide instructions to a computer. As such, programming languages differ from most other forms of human expression in that they require a greater degree of precision and completeness. When using a natural language to communicate with one another, human authors and speakers can be ambiguous and make small mistakes or let me call it errors, and still expect our intent to be understood. However, computers do exactly what they are told to do: they cannot predict the actual intent of the programmer.

Also See: TheJerrys
• New programs are usually only created if there is no existing program that will perform the same job.

Writing a program involves a lot of work so if you can carry out a task with an off-the-shelf package such as a database you will probably find it much easier and cheaper to use the existing packages. Developing a sophisticated computer program may take many thousands or even tens of thousands of man-hours; because developing a program is a complicated task; it is important that the program is planned properly before it is written.

Programmers usually follow the system's life cycle when developing a program. Tools like Flowcharts are used to help plan how a program will operate.

SDLC - System Development Life Cycle also means Software Development Life Cycle... It involves a series of steps or activities to be undertaken in order to develop information systems. The steps are as follows:

1. System Planning
2. System Analysis
3. System Designs
4. System Implementation
5. Testing and Integration
6. Maintenance

Read next post on computer programming, titled: "Tips on how to start learning Computer Programming"

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