The following lecture notes of Computer Organization and Architecture (COA)in PDF formats are managed based on the chapters and topics included on the syllabus. The notes (which can be downloaded for free) are applicable for both Computer Engineering and Computer Science (CSE) students.

1. Introduction to Computer Organization and Architecture
2. Central Processing Unit
3. Control Unit
4. Pipeline and Vector Processing
5. Computer Arithmetic
6. Memory system
7. Input and Output Organization
8. Multiprocessors

Special thanks to Er. Hari Aryal sir for compiling the notes. Please let us know if there is problem in any links.