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Spotlight
PAGE: https://alison.com/course/diploma-in-c-programming-revised-2017
PROMISE: Build a clear mental map of C logic from binary basics to variables in ten hours.
WHO: Complete beginners who need a structured foundation in C language mechanics.
WHYNOW: Mastering these core concepts prevents logical errors in future low-level work.
DESC: This free online Diploma in C Programming course introduces you to important programming concepts and skills for programmers and IT professionals.
BEFORE: You view machine logic as an opaque black box.
BEFORE: You cannot explain how code becomes running software.
BEFORE: You have no reliable way to manage data in memory.
AFTER: You decode binary and hex systems mentally.
AFTER: You articulate the programming lifecycle clearly.
AFTER: You define and use variables to hold data.
GAIN: Clarity on how low-level number systems drive hardware interaction.
GAIN: Understanding of the fundamental programming execution process.
GAIN: Practical skill in defining variables for data storage in C.
STEP: Confused by how the machine reads raw data before code even starts. || Identify how a binary and hexadecimal number system works || Read memory values and hex dumps with confidence instead of guessing what they mean.
STEP: Struggling to see the link between writing code and executing it. || Identify how programming works || Explain the compiler process to a colleague using simple, accurate steps.
STEP: Unable to store user input or track state in a simple script. || Identify what a variable is and how to store them || Create and modify variables in C to manage program state effectively.
NOTFOR: Experienced developers seeking advanced patterns or modern frameworks.
NOTFOR: Learners needing immediate hands-on project building over theory.
FACT: Average duration: 10-15 Hours (Contains Video)
FACT: CPD-accredited certificate available
FACT: Beginner level
COVERS: Identify how a binary and hexadecimal number system works
COVERS: Identify how programming works
COVERS: Recognise how to write a basic program to print hello on screen
COVERS: Discuss using number data types and the differences between the types
COVERS: Identify what a variable is and how to store them
COVERS: Discuss creating Pointers and Arrays
COVERS: Explain using pointer in your program
COVERS: Explain what a constant is
COVERS: Identify what conditional flow statements are
COVERS: Recognise logic operators
COVERS: Identify how a binary and hexadecimal number system works
COVERS: Identify how programming works
MODULE: Module 1 Introduction to programming and Binary and Hexadecimal || Introduction to Computer Science for Everyone | Which programming language | Binary Tutorial | The Importance of Understanding Binary | Hexadecimal Tutorial
MODULE: Module 2 How Programming Works || Include Statements | How Programming Languages Work with Data | Some Basics Concerning RAM | Programs are Data Too
MODULE: Module 3 – Program Flow || About Program Flow | Functions, Methods, Routines | About Arguments and Return Values | About Syntax and Functions
MODULE: Module 4 Writing Your First Program || Writing Your First Program in C | Review of Your First Program | Running Your First Program
MODULE: Module 6 Numbers || Basics of Signed and Unsigned Numbers | The Basics of Numeric Overflow | Fractional Numbers in Binary | Numeric Data Types in C | The Basics of ASCII and the Char Data Type | How Numbers are Encoded as Characters in ASCII | Maximum Values for Unsigned Integers in C | Minimum and Maximum Values of Signed Integers
MODULE: Module 7 Variables || Introducing Variables | The Connection Between Function Return Values and Variables | Terminating Strings of Text and Other Data | More About the Printf Function and an Introduction to Placeholders
MODULE: Module 8 Arrays and Pointers || Introducing Arrays and Pointers – Part One | Introducing Arrays and Pointers – Part Two | Introducing the Pointer Data Type | How to Create a Pointer in C | Assigning a Value to a Pointer | Getting the Value Stored at a Memory Address Using a Pointer | A Chance to Practice and Use What You Have Learned
MODULE: Module 10 Using Pointers || Using Pointers for Direct Memory Access and Manipulation in C | About Changing the Memory Address Contained within a Pointer | Pointers Containing Memory Addresses of Multi Byte Variables | Pointers have Memory Addresses Too | Why Do You Need to Learn Pointers | Introducing the Char Pointer
What you are probably seeing
Your AI coding assistant produces inconsistent patches when working with complex mutable state across multiple files.
Refactoring a function often breaks unrelated parts of the system, forcing you to provide more context to the AI to fix errors.
Why it happens
Large language models struggle to track implicit state changes that occur across different modules and execution paths.
Pure functions have clear inputs and outputs, which allows the AI to predict behavior without needing to understand the entire application context.
What changed recently
Step by step
1. Refactor one core utility function to accept all dependencies explicitly rather than relying on global state.
2. Replace object mutation with the creation of new objects using spread operators or structured clone methods.
3. Split a complex business logic handler into smaller, single-responsibility functions that perform no side effects.
4. Move database writes and API calls to the edge of your application layer so the inner logic remains pure.
5. Run your AI assistant on a newly refactored pure function to observe if the generated test cases and bug fixes improve.
Ways to go further
Start here: Diploma in C Programming For when you are a complete beginner wanting to understand low-level programming logic. Open the free course on Alison ↗
Affiliate links: CHEAPUNO may earn a commission if you buy through them, at no extra cost to you.
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