Computer Orgaization & Operatiing System
da Fatin Syafiqah
1. Hierarchical nature of complex system is essential to both their design and their description
2. Structure
2.1. The way in which components relate to each other
3. Function
3.1. The operation of individual components as part of the structure
4. Basic function of computer
4.1. Data processing
4.2. Data storage
4.3. Data movement
4.4. Control
5. IBM System 370 Architecture
5.1. introduced in 1970
5.2. included a number of models
5.3. could upgrade to more expensive, faster model
6. Hierarchical system
6.1. set of interrelated subsystems
7. Structure of computer
7.1. Computer
7.1.1. I/O
7.1.2. System Bus
7.1.3. Main memory
7.1.4. CPU
7.1.4.1. Register - provides storage internal to the CPU
7.1.4.2. ALU - performs the computer's data processing function
7.1.4.3. Internal Bus
7.1.4.4. Control Unit - control the operation of the CPU and hence the computer
7.1.4.4.1. Sequencing Logic
7.1.4.4.2. Control Unit Register and Decoders
7.1.4.4.3. Control Memory
7.1.4.5. CPU Interconnection - Some mechanism that provides for communication among the control unit, ALU and registers