Computer Architecture and Computer Organization Masterclass (Udemy.com)
CPU Design, Memory Hierarchy, Pipelining, ISA & Performance Optimization Complete Course with Downloadable Lecture Notes
Created by: Dr. Yasas Sri Wickramasinghe
Last updated June 2026
What you will learn
- Formulate A+ grade answers for your Computer Architecture and Organization exams
- Analyse computer systems critically and select the best system for a specific need
- Write assembly language code with the deeper understanding on Fetch - Decode - Execute cyle
- Learn all topics under Computer Organization and Architecture subject in a single course, with simple to understand examples and simulations
How it compares
Against the other 58 rated Udemy courses in Introduction to Computer Science on CourseDuck:
- Rating4.2 out of 5higher than 13% of them
- Reviews1,731#7 of 59 by number of reviews
- Length12.4 hourslonger than 84% of them
- Last updatedJune 2026more recently than 93% of them
Course Description
Are you following a degree, diploma, or any other academic course in 2026 and beyond, which includes Computer Architecture or Computer Organization related modules, and want to learn theoretical concepts and practicals related to the subject in the simplest form possible?
Are you looking to make your own short note for your studies and prepare for an upcoming assessment or an exam?
But when you search online, the problem is that almost all Computer Architecture and Computer Organization courses are outdated, created years ago, and do not contain updated information.
Why should you consider enrolling in this Computer Architecture & Computer Organization Masterclass?
The course instructor is a lecturer and a PhD candidate who has teaching Computer Organization and Computer Architecture subjects for 6+ years.
This course is designed with the latest Computer Organization and Computer Architecture lessons, examples, and activities.
This course covers everything you need to master the subject without enrolling in other parts/courses related to the topic.
This course includes lecture notes/slides as downloadable materials.
You will already be part of the 60,000+ student community in one of my courses.
I invite you to check the free provided videos and course outline. Then, if you are happy, enrol with this latest and best Computer Organization and Architecture course.
All-in-one Complete Computer Organization and Architecture CourseĀ Outline
Chapter 01: Introduction
1.1 Introduction to Computer Organization and Architecture
1.2 Computer Level Hierarchy
Chapter 02: Fetch - Decode - Execute Cycle
2.1 Fetch Decode Execute Cycle Explained Part 1
2.2 Fetch Decode Execute Cycle Explained Part 2
Chapter 03: Assembly Language Programming with the Little Man Computer
3.1 What is the Little Man Computer
3.2 Programming the Little Man Computer
3.3 Fetch Decode Execute Cycle Explained using the Little Man Computer
3.4 Writing Assembly Language Code
Chapter 04: Instruction Set Architecture (ISA)
4.1 Introduction to ISA
4.2 CISC & RISC
4.3 Instructions
4.4 Number of Addressing
4.5 Addressing Modes
Chapter 05: CPU Benchmarking
5.1 Introduction to CPU Benchmarking
5.2 Calculating CPU Time
5.3 Understanding CPU Clock
5.4 Calculating CPU Time
5.5 Exercise - Solving CPU Time Calculations
5.6 Exercise - Solving CPI Calculations
5.7 Python Coding Activity to Benchmark Your CPU (Guided Coding Lesson with Answers)
Chapter 06: CPU Organization and Structure
6.1 Introduction to CPU Structure
6.2 Registers in CPU
6.3 Understanding CPU Interruptions
6.4 Techniques to Improve CPU Performance
Chapter 07: CPU Pipelining
7.1 What is CPU Pipelining
7.2 Resource Hazards
7.3 Data Hazards
7.4 Control Hazards and Branch Prediction
7.5 Branch Prediction Strategies
7.6 Practical Example for Pipelining - Intel 80486
7.7 CPU Overclocking
Chapter 08: Input-Output Organization
8.1 Introduction to I/O
8.2 I/O Mapping
8.3 Asynchronous Data Transfer
8.4 Modes of Data Transfer
Chapter 09: Memory Organization
9.1 Introduction to Memory Hierarchy
9.2 Deep dive into Computer Memory Hierarchy
9.3 The Principal of Locality
9.4 Memory HIT rate and MISS rate
9.5 Cache Performance and Optimization
9.6 Exercise - Calculating Miss Rate
9.7 Memory Technology
9.8 DRAM Technology
9.9 How a DRAM Works
9.10 DRAM Read Cycle Deeply Explained Step by Step
9.11 SDRAM and DDR SDRAM Explained
Chapter 10: Hierarchical Bus Organization
10.1 Introduction to Hierarchical Bus Structures
10.2 Single and Multiple Bus Implementations and Examples
10.3 Bus Types, Timing, and Additional Details
Chapter 11: Conclusion
11.1 Summary
Instructor Details
- 4.2 Rating
1,731 Reviews
Dr. Yasas Sri Wickramasinghe
Dr. Yasas Sri Wickramasinghe is a Postdoctoral Researcher at the Human Interface Technology Laboratory New Zealand (HIT Lab NZ), University of Canterbury, specializing in Augmented Reality (AR), Virtual Reality (VR), spatial computing, and immersive user experiences.
Alongside his research career, he is a Senior Lecturer teaching postgraduate courses in Strategic Information Systems Planning, Database Management Systems, and IT Project Management. Over the past several years, he has taught and supported tens of thousands of students across computer science and information technology programs.
Dr. Yasas has extensive experience designing practical, industry-focused learning experiences that help students understand complex technology in a clear and approachable way. His teaching combines real-world examples, hands-on exercises, and structured explanations so learners can apply concepts directly in their studies or careers.
His courses focus on helping learners build strong foundations in databases, information systems, project management, and emerging technologies such as AR, VR, and immersive computing.
Whether you are a beginner starting your journey in technology or a professional looking to strengthen your skills, Dr. Yasas aims to make learning clear, practical, and engaging.
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Reviews
By Sri Wickrama on 4/30/2026
extremely interesting high quality course that provides everything need to know to pass university exams! best course!
By Arvind Vijayanand Dubey on 3/4/2025
Really a good course,My concept got cleared ,even the difficult topics are easily explained.
By Anonymized User on 2/5/2025
The content is helpful and instructive but things would be improved by an accurate transcript or captions. I decided to listen to the instructor and , after a while, I began to hear and understand the instructions more clearly. I would suggest that this approach should be adopted by anyone having difficulty with hearing and deciphering the tutor's pronunciation.
By Rohan Tyagi on 7/14/2023
wonderfull course , i learned many new and different thning which is quite interesting .
By Prabin Teli on 4/26/2023
Your opinion about the course is valuable to other learners, but when only a star rating is left
By Christopher Krechkowski on 2/15/2023
Over all great information, how ever the volume is to low and hard to hear. Fact: -This course did help me with my class i was taken at the time -The details explained are valuable information to learn -History of topics would be helpful
By Victor A on 12/28/2022
I took this course to familiarise myself with a number of concepts about Computer Architecture; it did just that and more! Concepts are well explained, accompanied by diagrams or other resources to aid understanding. The course seems to be tailored for an institution or particular setting of students, so not all the material was relevant to me. Also you need to focus when listening to the instructor because of his accent. Recommended course for anyone looking for a more concise introduction to computer architecture.
By Saswati ghadai on 11/10/2022
My exams are approaching in 15 days and I found this ideal course when I was completely hopeless.Thanks to udemy for providing this course.Hopefully it would help me cover and understand all the topics which will come in my final exam and get a good score.
By Eduardo Nepomuceno da Rocha on 5/30/2022
The pdf files are a good source, the chapters are very well structured, but the audio quality is a big problem. Sometimes there is a noise, it's not easy to understand the speaker's English due to it, so you can't not learn in some lessons anything beyond what is written in the pdf files( and once in a while it's better just reading than watch the class). I believe the instructor had good intentions and has a good knowledge about the subject, but the course diserved more attention to these details.
By Arpan Khare on 3/29/2022
Good comprehensive course. Thank you Yasas. Hope Sri Lanka get back on track soon! :)
Quality Score
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Overall Score : 84 / 100








