Introduction:
The C programming language was originally developed by Dennis Ritchie of Bell Laboratories, and was designed to run on a PDP-11 with a UNIX operating system. Although it was originally intended to run under UNIX, there was a great interest in running it on the IBM PC and compatibles, and other systems. C is excellent for actually writing system level programs, and the entire Applix 1616/OS operating system is written in C (except for a few assembler routines). It is an excellent language for this environment because of the simplicity of expression, the compactness of the code, and the wide range of applicability. It is not a good "beginning" language because it is somewhat cryptic in nature. It allows the programmer a wide range of operations from high level down to a very low level approaching the level of assembly language. There seems to be no limit to the flexibility available. One experienced C programmer made the statement, "You can program anything in C", and the statement is well supported by my own experience with the language. Along with the resulting freedom however, you take on a great deal of responsibility. It is very easy to write a program that destroys itself due to the silly little errors that, say, a Pascal compiler will flag and call a fatal error. In C, you are very much on your own, as you will soon find. Since C is not a beginners language, I will assume you are not a beginning programmer, and I will not attempt to bore you by defining a constant and a variable. You will be expected to know these basic concepts. You will, however, not be expected to know anything of the C programming language. I will begin with the highest level of C programming, including the usually intimidating concepts of pointers, structures, and dynamic allocation. To fully understand these concepts, it will take a good bit of time and work on your part, because they not particularly easy to grasp, but they are very powerful tools. Enough said about that, you will see their power when we get there, just don’t allow yourself to worry about them yet. Programming in C is a tremendous asset in those areas where you may want to use Assembly Language, but would rather keep it a simple to write and easy to maintain program. It has been said that a program written in C will pay a premium of a 50 to 100% increase in runtime, because no language is as compact or fast as Assembly Language. However, the time saved in coding can be tremendous, making it the most desirable language for many programming chores. In addition, since most programs spend 90 percent of their operating time in only 10 percent or less of the code, it is possible to write a program in C, then rewrite a small portion of the code in Assembly Language and approach the execution speed of the same program if it were written entirely in Assembly Language. Approximately 75 percent of all new commercial programs introduced for the IBM PC have been written in C, and the percentage is probably growing. Apple Macintosh system software was formerly written in Pascal, but is now almost always written in C. The entire Applix 1616 operating system is written in C, with some assembler routines. Since C was designed essentially by one person, and not by a committee, it is a very usable language but not too closely defined. There was no official standard for the C language, but the American National Standards Association (ANSI) has developed a standard for the language, so it will follow rigid rules. It is interesting to note, however, that even though it did not have a standard, the differences between implementations are usually small. This is probably due to the fact that the original unofficial definition was so well thought out and carefully planned that extensions to the language are not needed.
The topic that will discuss in this tutorial series are listed:
1). How to install IDE for C Program.
2). Introduction to C Programming.
3). What is Binary Number System.
4). What are Constants and its types in C.
5). What are Variables and its types and in C.
6). What are the Operators.
7). How Input and Output in C Program.
8). Conditional statements like IF/IF-ELSE/IF-ELSE-IF .
9). What is Loops.
10). Switch Statements.
11). What are Arrays and its types and how to use.
12). Concept of Strings.
13). Concept of Structures.
14). Concept of Pointers.
15). Concept of Functions.
and much more soon update.............
So Let's Watch the C Programming Tutorials:
Lecture# 1: How to install Compiler.
Lecture# 2: Introduction Part 1.
Lecture# 7: Operators .
Lecture# 8: More on Variables .
Lecture# 9: Out Putting Part 1.
Lecture# 10: Out Putting Part 2.
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