Month 3 · Week 10 of 40

Pointers & Memory Addresses

Master the pointer: unlock true systems control.

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Week Overview

Conquer the single most important concept in systems software: memory addresses and pointers. Understand how values pass by reference, manipulate arrays via pointer arithmetic, and visualize memory layout.

Core Concepts & Topics

Memory Addresses & The Address-of Operator (&)

Pointer Declaration & Dereferencing (*)

Passing Variables by Reference to Functions

Pointer Arithmetic & Array Navigation

Pointers to Pointers (Double Pointers)

Hands-On Challenge

Week 10 Project: In-memory string manipulation and parsing library using raw pointer arithmetic.

Every week at DoxaTech Hub requires submitting real working code tested by our automated grading suite. You will push code to your personal GitHub repository, open pull requests, and receive instant feedback.

Frequently Asked Questions

What is the difference between passing by value and passing by reference?

Passing by value copies the variable data into the function frame. Passing by reference passes the memory address, allowing the function to modify the caller's original variable.

Week 9: C Fundamentals & Compilation

Week 11: Structs, Strings & File I/O

Interactive Learning