Computer System Architecture Tutorials

Computer System Architecture Tutorials – Understanding computer system architecture is essential for anyone diving into computer science or engineering. This comprehensive, chapter-wise guide is designed to help you build a clear and structured understanding of how computer systems work—from basic concepts to advanced architectural design.

Each chapter includes a concise introduction followed by a curated list of important topics with direct links, making it easy to navigate and study efficiently. Whether you’re preparing for exams, strengthening your fundamentals, or revising key concepts, this page serves as your one-stop resource for mastering computer system architecture.

Chapter 1: Computer Architecture Fundamentals

In this chapter, we are going to learn about basic things of computer architecture, including the structure and functional units of a computer. Then we are going to learn how computers perform arithmetic and logical operations internally. After that, we are going to learn about Von Neumann, Harvard Machine Architecture, and Flynn Classifications.

Topics:

1. Basic structure of a computer
2. Functional Units of a Computer
3. Development of Computers
4. Von Neumann and Harvard Machine Architecture
5. Flynn Classification in Computer Architecture
6. Computer Structure Architecture
7. Basic Computer Data Types
8. Arithmetic Complement
9. Real Numbers Representation
10. Interfacing Logic Devices
11. Levels of Design Abstraction
12. Computer Performance Metrics

Chapter 2: Register Transfer and Micro Operations

In this chapter, we are going to learn about register-transfer language and how computers perform operations using the bus inside the CPU. After that, we are going to learn about the architecture of the common bus and CPU inside the computer system.

Topics:

1. Register Transfer Language in Computer Architecture
2. Memory Transfer in a Computer
3. Arithmetic Micro-operations
4. Arithmetic Complements
5. Computer Micro-operations
6. Computer Bus Architecture
7. Data Transfer
8. Bus and Memory Transfer
9. Central Processing Unit
10. CPU Bus Architecture

Chapter 3: Computer Organization and Design

In this chapter, we are going to learn about how to organize a computer and design the architecture of a computer. Then we are going to learn about registers, Common Bus System, how external and internal instructions, and addressing modes work in computer systems. Then we are going to design a Control unit and an accumulator. After that, we are going to learn how to design a basic computer.

Topics:

1. Difference between Computer Architecture and Organization
2. Computer Register and Types
3. Common Bus System
4. Instruction Format
5. Instruction Types
6. Instruction Cycle
7. Fetch Decode Execute Instruction Cycle
8. Timing and Control of the Instruction Cycle
9. Input-Output and Interrupt
10. Memory Reference Instructions

Chapter 4: Central Processing Unit

In this chapter, we are going to learn about the Central Processing Unit in the computer system. First, we are going to learn about the basic functions of a computer, and then we are going to learn about how registers, Stack, Instructions, and Data Transfer work in the CPU. After that, we are going to learn about Program control and the RISC/CISC architecture of the CPU.

Topics:

1. Basic Function of a Computer
2. Register organization in Computer Architecture
3. General Register Organization in Computer Architecture
4. Stack organization in Computer Architecture
5. Infix to Reverse Polish Notation Conversion
6. Instruction Types and their classifications
7. Data transfer and manipulation in CPU
8. Program control in Computer Architecture
9. RISC and CISC
10. Difference between RISC and CISC

Chapter 5: Pipeline and Vector Processing

In this chapter, we are going to learn about the pipeline and vector processing concept. First, we are going to learn about how Parallel processing of data works in a computer, then we are going to learn about pipelines and their types used in computers to transfer data between computers and its inner components. After that, we are going to learn about the working process of Hazards, Vector processing, and Array Processors in computer architecture.

Topics:

1. Parallel Processing in Computer Architecture
2. Pipeline in Computer Architecture
3. Types of Pipeline in Computer Architecture
4. Arithmetic Pipeline in Computer Architecture
5. Instruction Pipeline in Computer Architecture
6. Hazards in Computer Architecture
7. RISC Pipeline in Computer Architecture
8. Vector Processing in Computer Architecture
9. Array Processors in Computer Architecture

Chapter 6: Computer Arithmetic

In this chapter, we are going to learn about how arithmetic and logical operations work inside the computer. First, we are going to learn about the machine and assembly language, and then we are going to learn about how subroutines, adder circuits, and array multipliers are used in computers to perform arithmetic and logical operations. After that, we are going to learn about some algorithms and methods that are used inside the computer systems to perform arithmetic and logical operations.

Topics:

1. Machine Language in Computer Architecture
2. Assembly Language in Computer Architecture
3. Arithmetic and Logical Operations
4. Subroutine in Computer Architecture
5. Data Representation in Computer
6. Addition and Subtraction in Computer
7. Adder Circuits in Computer Architecture
8. Shift and Add Multiplication Method
9. Booth’s Algorithm in Computer Architecture
10. Restoring Division Algorithm
11. Non-Restoring Division Algorithm
12. Array Multiplier in Computer Architecture
13. Difference between Hardwired and Microprogrammed control

Chapter 7: Memory Organization

In this chapter, we are going to learn about how memory is organized inside the computer to store the data of different types and used by other computer components. First, we are going to learn about different types of memory used in computers. Then we are going to learn about the characteristics of each memory type. Then we are going to learn about the Paging and segmentation used inside the memory. How multiprocessors use memory in different ways, and other important terms like internal connection of memory, Interprocessor Arbitration, and connection with the Synchronization process.

Topics:

1. Memory Classification
2. Memory Characteristics
3. Memory Organization
4. Memory Types
5. Auxiliary Memory
6. Associative Memory
7. Cache Memory
8. Virtual Memory
9. Paging and Segmentation Difference
10. Multiprocessor
11. Interconnection Structures
12. Interprocessor Arbitration
13. Interprocessor Communication and Synchronization
14. Cache Coherence
15. Shared Memory Multiprocessors

Chapter 8: Input Output Organization

In this chapter, we are going to learn about the organization of Input and Output units inside the computer. First, we are going to learn about the input/output interface of a computer. Then we are going to learn about different types or modes in which a computer transfers data between devices using inputs and display the output to the users. After that, we are going to learn about Priority Interrupt, Address sequencing, and microprogramming terms used in input output processing.

Topics:

1. Input Output Interface
2. Asynchronous Data Transfer
3. Modes of Data Transfer
4. Input-Output Programming
5. Priority Interrupt
6. Microprogramming
7. Control Memory
8. Address Sequencing
9. Micro Program Examples
10. Direct Memory Access
11. Input-Output Processor
12. Serial Communication

Course Outcomes

To study the basic organization and architecture of digital computers (CPU, memory, I/O, software). Discussion will include computer data representation, design of basic computer, programming the basic computer, study about CPU, pipeline, control design, microprogramming, memory organization, system I/O, parallel processing, and multiprocessors.

Knowledge of computer architecture leads to a better understanding and utilization of digital computers, and can be used in the design and application of computer systems or as a foundation for more advanced computer-related studies.

This course is intended to teach the basics involved in data representation and digital logic circuits used in the computer system. This includes the general concepts in digital logic design, including logic elements, and their use in combinational and sequential logic circuit design, and performing many arithmetic, logical, and shift operations on data. This course will also expose students to the basic architecture of processing, data representation, arithmetic operations, memory, I/O organization, and multiprocessors in a computer system.

Learning Outcomes

The student will be able to:

• Identify, understand, and apply different number systems and codes.
• Understand the digital representation of data in a computer system.
• Understand the general concepts in digital logic design, including logic elements and their use in combinational and sequential logic circuit design.
• Understand computer arithmetic, formulate and solve problems, and understand the performance requirements of systems.
• Understand the impact of instruction set architecture on the cost-performance of computer design.
• Understand that the numbers can be represented in multiple forms. Be able to convert signed and unsigned integers from one system to another.
• Understand the functions of various hardware components of a computer, such as processor registers and memory.
• Design an interconnection network and multiprocessors.
• Understand memory hierarchy and its impact on computer cost/performance.
• Understanding of parallel processing.
• Understanding of programming the basic computer.
• Understanding of RISC and CISC computers.
• Know about the working of the pipeline.

Cognitive Objectives

• Define the concept of architecture and incorporate parameters to evaluate and analyze the performance.
• Explain the impact of the ISA on the architecture and performance, understanding the design principles of the ISA.
• Know about how the programming performs on a basic computer.
• Identify the pipelining as a basic technique for increasing CPU performance as well as the design, planning, and control of pipeline units.
• Understanding the evolution of the architectures and the differences between CISC and RISC approaches.
• Explain techniques for improving the performance of the memory and the input/output system.
• Recognize the limitations of classical architectures and the importance of parallelism.
• Study about multiprocessors.

The student will try to learn: The intended learning outcomes for this course are to:

• Conceptualize the basics of organizational and architectural issues of a digital computer.
• Analyze processor performance improvement using instruction-level parallelism.
• Learn the function of each element of a memory hierarchy.
• Study various data transfer techniques in a digital computer.
• Articulate design issues in the development of the processor or other components that satisfy design requirements and objectives.
• Learn microprocessor architecture and study assembly language programming.
• Learn how computing systems are structured. We mainly focus on the processor, cache, memory, and system buses. We examine single -cycle and pipelined uni-processors.
• Learn why computers are structured the way they are; understand the importance of maximizing performance as a driver for engineering enhancement.
• Develop skills in designing architectural solutions and describing designs; become acquainted with the use of simulation for studying architectures and performance; develop skills in obtaining and describing simulation results.
• Practice professional skills including project management, results analysis, critical discussion, structuring of information, oral and written presentation, and report writing.
• Develop the programming skills to learn how a computer works.
• Explain how a multiprocessor works.
• Learn the basic operations performed on the CPU.

Prerequisites

Students who have not taken Digital Systems will need to do additional background reading on combinational circuits, and sequential circuits, assembler programming, fundamentals of computer and number system, basic knowledge of memory concept, parallel processing, and input output devices.

Scope

This course aims to introduce the concept of computer architecture and organization. It involves design aspects and deals with the current trends in computing architecture. System resources such as memory technology and I/O subsystems needed to achieve a proportional increase in performance will also be discussed.

Students will be able to:

• Describe the basic organization of a computer and the architecture of the 8086 microprocessor.
• Implement an assembly language program for the given task for the 8086 microprocessor.
• Demonstrate control unit operations and conceptualize instruction-level parallelism.
• Demonstrate and perform computer arithmetic operations on integer and real numbers.
• Categorize memory organization and explain the function of each element of the memory hierarchy.
• Identify and compare different methods for computer I/O mechanisms.
• Demonstrate the characteristics of a multiprocessor.
• Describe the input-output organization.

Learning Outcomes

By the end of the course, the student should understand the major architectural styles and appreciate the compromises that they encapsulate. They should be able to read outline descriptions of real processors and understand in which way their designs fit into the frameworks described in the course. They should also be able to understand the impact of design choices in programming in the context of a specific architecture.

• To be able to describe the various architectural concepts that may be applied to optimize.
• Enhance the classical Von Neumann architecture into high-performance computing hardware systems.
• To be able to describe the design issues relating to the architectural options.
• To be able to describe the challenges faced in the implementation of these heights.
• A performance system to be able to identify and assess contemporary practical examples and contemporary.
• Application areas in the computer field.
• To demonstrate knowledge of digital logic analysis and design.
• Strategies and actions used to produce the outcome:
  • Review of digital logic components.
  • Review of digital logic circuit analysis, design, and optimization.
  • Review of digital logic circuit design and simulation tools.
• Students will demonstrate knowledge of instruction execution techniques.
• Study of microprocessor execution.
• To develop logic for assembly language programming.
• To develop basic hardware operation on arithmatic calculation.
• A study about multiprocessors for how to share common memory.