This document provides an overview of a course on computer architecture and organization. The course objectives are to understand the basic structure and operation of digital computers, the hardware-software interface, implementation of arithmetic operations, pipelining, memory hierarchies including caches and virtual memory, and communication with I/O devices. The syllabus covers topics like computer organization and instructions, arithmetic, the processor, memory and I/O organization, and advanced computer architectures. The document introduces the basic organization of a computer including the processor, memory hierarchy, input/output devices, system bus, and Von Neumann and Harvard architectures.