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Computer Programming How To

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Computer programming is at the core of any computer operation. Unlike usual electro mechanical devices, a computer requires software to carry out instructions. At the lowest level, machine code is used to control the hardware and operations of a computer. The machine language is a set of zeros and ones and rather tedious to handle. Therefore the instructions are coded in a higher level language called a computer program. The conversion of a higher level language into a machine code is carried out by assembly level languages or assemblers. The transformation is completed without any human interface.



During the initial days when computer programs were still at a nascent stage of development, languages such as COBOL and BASIC were highly popular. As the computing power of computers increased ,the demand for more efficient programs emerged. The third generation programs had better portability and efficiency compared to the earlier generations. The need to handle enormous amount of data gave rise to specialized software called database management software or more specifically relational database management software. Companies like Oracle, IBM and Microsoft have developed their own version of RDBMS. On the processing front ,Mainframes were using COLOL for business applications and FORTRAN ( Formula Translation ) for scientific applications.

The concept of modularity became popular when hundreds of software programmers worked simultaneously on a single large project. Object oriented programs like C++ gathered popularity. The code used in these higher level languages was reusable and the techniques could provide for better efficiency.

Microsoft meanwhile brought out its own operating system which could be used on personal computers. In a matter of years the Windows OS became a unprecedented success. The OS2 operating system used by Apple computers was relegated to a second position. IBM has been providing other system software but none could reach the popularity levels of Windows. The only problem with Windows is the issue of security breaches. Though Microsoft has been striving hard to plug the security holes, it has not been entirely successful.

Modern computer programs strive more and more to behave like human language. Technologists believe that a day would come when one could program a computer by given verbal instructions. Surely that's not going to happen in a hurry. Artificial intelligence, expert systems, fuzzy logic and many more state of the art technologies are changing the face of programming.

Computers unlike any other machine require a software program to operate. It speaks in machine language which is gibberish to the human mind. Higher level languages are used to translate recognizable instructions into machine language. As we progress, the higher level languages would resemble human languages.

At the beginning of the computer era, a single program used to execute different functions. Today, specialized programs are tailor made for different applications. Complex programs require many programmers to work simultaneously on a single project. Modular languages are well suited for such large projects. Object oriented programming has become popular due to their modularity and ease of use.

Copyright (c) 2007 Dean Barnard
Computer Programming How To
If you're interested in taking up computers and want to be a computer programmer then what follows may be of some use to you if for no other reason than it will prepare you for what you can expect to find in a computer programming curriculum. An associate of mine was a computer programming instructor, still keeps up with the latest and has provided the information below.

A computer programming curriculum, as opposed to the old days, is a very intensive course study. It can take as long as 2 years to complete some programs. But there are some basics that you can expect to learn in all programs.

The first course you are most likely to run into when going to school for computer programming is logic. This is a course where they teach you to think like a machine. While this may sound difficult or close to impossible, it is actually the easiest part of the course, though a part that many people have trouble with. Understanding how a computer actually thinks is an abstract concept, but it is important if you, as a programmer, are going to be able to construct programs that won't crash and burn in the middle of execution.

The logic course then branches out into what is called flowcharting. This is where the student is taught how to graphically represent on grid paper just what it is that the program or system is supposed to do. No actual programming language is taught here, as the flowcharts are done in simple English, but these flowcharts are the foundations for every well designed computer program.

After the flowcharting section is complete, the student is usually given a simple programming language to learn. The simplest and most fundamental is a language called BASIC, which stands for Beginners All-purpose Symbolic Instruction Code. BASIC was one of the first higher level languages created and is still used mostly for instructional purposes today.

After the student has his first taste of actually writing computer instruction code, he then moves into the part of the course where he is going to learn the languages he intends to use on the job. There are many languages to choose from and each program has its own core language requirements.

For those who want to go into simple programming of applications, that will be used to do mostly batch processing of jobs, a student may learn languages like COBOL or RPG, though these languages are not as much in demand today as they were in the 80s.

If a student wants to go onto object oriented, or what is called Windows programming, he may learn languages like C++, Visual BASIC or Delphi.

In either case, if a student wants to get into systems programming then he will most likely have to learn a very low level language like Assembler. These languages, unlike the higher level languages that are very English oriented, are very far removed from English and are more difficult to learn.

By the time the average programmer is done with the entire course he probably knows 2 or 3 different languages and has a concentration of knowledge in at least one particular field such as GUI or some other design.

Most courses will require you to submit a final real world project at the end of the course in order to earn your certificate.

Computer programming as a profession is an excellent field with many opportunities since most of our world is now run by computers. Just be prepared to put in a lot of long hours of study.
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Both Dean Barnard & Michael Russell are contributors for EditorialToday. The above articles have been edited for relevancy and timeliness. All write-ups, reviews, tips and guides published by EditorialToday.com and its partners or affiliates are for informational purposes only. They should not be used for any legal or any other type of advice. We do not endorse any author, contributor, writer or article posted by our team.

Dean Barnard has sinced written about articles on various topics from Computers and The Internet, Marketing and The Beach Resort. Join us at and I will be in touch soon friend.. Dean Barnard's top article generates over 74000 views. to your Favourites.

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