1.1-System Architecture

1.1-System Architecture

1. Processor

   • The “brains” of the computer Carries out instructions (Executes Instructions) Processes Data Retrieves Data/Instructions from Main Memory (Fetch) Stores Data into Main Memory once Executed

2. computer systems

   • Internal Components The processor Main memory (RAM, ROM, EEPROM) I/O controllers Buses External components (peripherals) Keyboard, mouse, printer, disk drives I/O Devices / I/O Ports Secondary Storage

3. A system architecture or systems architecture is the conceptual model that defines the structure, behavior, and more views of a system. An architecture description is a formal description and representation of a system, organized in a way that supports reasoning about the structures and behaviors of the system.