C Programming - Numbers, Variables and Arrays | Free Course | Alison

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C Programming - Numbers, Variables and Arrays

Learn the fundamentals of numbers, variables and arrays in C Programming in this free online course.

Free Course
This free online C programming course will teach you the fundamentals of numbers, variables and arrays in the language. You will explore signed and unsigned numbers, the basics of numeric overflow and ASCII. You will also learn about the connection between function return values and variables. This course will be of great interest to anyone with a basic knowledge of C who wants to take their study further, so start learning today!





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This course on the C Programming language begins by discussing the basics of signed and unsigned numbers before moving on to discuss numeric overflow. It then takes a basic knowledge of binary and builds on it, discussing fractional numbers and then teaching you about numeric data types in C. The course also touches on the basics of ASCII and the char data type, as well as looking at how numbers are encoded as characters in ASCII.

The course then moves on to look at variables, introducing you to their function in C before going on to discuss the connection between function return values and variables. After that, the course teaches you about how to terminate strings of text and other data when building programs in C and talks further about the printf function and gives you an overview of placeholders.

Finally, the course moves on to discuss arrays and pointers, looking at how to create a pointer in C, assigning a value to a pointer and getting the value stored at a memory address using a pointer. In this concise course on programming in C, you will build on your basic knowledge of the language and move into more complex areas and form a deeper understanding of the language, so make sure you start your learning journey today.

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Learning Outcomes

Having completed this course, you will be able to:

  • Recognize the differences between using a signed number and an unsigned number
  • Explain how fractions work and are stored in binary
  • Recognize what numeric overflow is
  • Identify the basic numeric data types available in C
  • Explain what a variable is
  • Recognize how and where to use placeholders
  • Identify what a pointer is and what it is used for
  • Recognize what an array is
  • Explain how to create a pointer


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