C Programming Essentials: CLE Exam Preparation

Take your first steps in C, the language behind operating systems, embedded devices and much of today's software.

5 daysFoundation9 modulesCLE: C Certified Entry-Level Programmer

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Overview

About this course

Take your first steps in C, the language behind operating systems, embedded devices and much of today's software. You will learn how a program is compiled and run, then work with variables, operators, input and output, decisions, loops, arrays, strings and functions through short, practical exercises.

The final day turns your new skills towards the entry-level C exam, with guided practice in reading code, predicting output and managing your time. You leave with a solid foundation for further C study.

What you'll learn

Explain how C source code is compiled, linked and run
Declare variables using C's basic data types, literals and operators
Read input and format output with the standard I/O functions
Control program flow with conditions, loops and logical expressions
Work with one-dimensional arrays and simple strings
Write and call functions with parameters and return values
Prepare with confidence for the entry-level C certification exam

Curriculum

9 modules

What a program is and how computers run it
Compilers, linkers and the build process
The structure of a C program
Your first program and the main function

Integer and floating-point types
Characters and the char type
Literals, constants and naming rules
Declaring and initialising variables

Arithmetic operators and precedence
Assignment and shortcut operators
Increment and decrement
Type conversion and casting

Printing with printf and format specifiers
Reading values with scanf
Character input and output
Common I/O mistakes

Relational and logical operators
if, else and nested conditions
The switch statement
Writing clear Boolean expressions

while and do-while loops
for loops
break and continue
Choosing the right loop

Declaring and indexing arrays
Iterating over arrays
Character arrays as strings
Basic string functions

Defining and calling functions
Parameters and return values
Scope and lifetime of variables
Breaking a problem into functions

Exam format and question styles
Reading code and predicting output
Practice questions and review
Time management on exam day

Who it's for

Beginners and students who want a structured introduction to C and to prepare for the entry-level C certification exam.

Before you start

No formal prerequisites. Bring curiosity and a willingness to practise.

Certification

Prepares for

Programming & Web Development

CLE: C Certified Entry-Level Programmer

CLE

1 course

Programming & Web Development

3 days

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