Submitted by tushar pramanick on Mon, 02/25/2013 - 11:25

Questions & Answers

 

Q1. What is the lowest-level language in the computer world?

Ans. The computer's machine language is the lowest because the machine language, made up of 0s and 1s, is the only language that the computer can understand directly.

Q2. What are the advantages of high-level programming languages?

Ans. Readability, maintainability, and portability are the main advantages of high-level programming languages.

Q3. What is C, anyway?

Ans. C is a general-purpose programming language. It's a high-level language that has advantages such as readability, maintainability, and portability. Also, C allows you to get down to the hardware to increase the performance speed if needed. A C compiler is needed to translate programs written in C into machine-understandable code. The portability of C is realized by recompiling the C programs with different C compilers specified for different types of computers.

Q4. Can I learn C in a short time?

Ans.  Yes. C is a small programming language. There are not many C keywords or commands to remember. Also, it's very easy to read or write in C because C is a high-level programming language that is close to human languages, especially English. You can learn C in a relatively short time.

 

 

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Programming Style

Programming Style

In this section, I'd like to briefly highlight some points that will help you write clean programs that can easily be read, understood, and maintained.

Exercises : Answer the following Question

To help solidify your understanding of this hour's lesson, you are encouraged to answer the quiz questions and finish the exercises provided in the Workshop before you move to the next lesson.

Question and Answer

    Q Is the C preprocessor part of the C compiler?

    A No. The C preprocessor is not part of the C compiler. With its own line-oriented grammar and syntax, the C preprocessor runs before the compiler in order to handle named constants, macros, and inclusion of files.

Compiling Your Code Under Conditions

Compiling Your Code Under Conditions

You can select portions of your C program that you want to compile by using a set of preprocessor directives. This is useful, especially when you're testing a piece of new code or debugging a portion of code.