Computer Architecture

Computer Architecture

1. Processor

   • The processor is “the brains of a Computer System” It Processes Data Carries out instructions (Executes Them) Processors have a Clock speed measured in Hertz Number of Cycles Per Second

2. MHz

3. GHz

4. Hertz

5. Instruction

6. Execute

7. Embedded System

   • An embedded system is a dedicated computer system designed for one or two specific functions. This system is embedded as a part of a complete device system that includes hardware, such as electrical and mechanical components.

8. Clock Speed

   • the operating speed of a computer or its microprocessor, expressed in cycles per second

9. Cache

   • Processors have “Cache” – This is very fast, and usually a very small amount of memory on the processor chip The Cache acts as an intermediary between the processor and the Main Memory As programs are executing – the Cache holds commonly used instructions

10. Core

    • Each processor has a “core” in which instructions are executed. Processors can be multi-core Dual Core Quad Core 8 Core Each core executes instructions independently Dual Core may execute up to twice as many instructions per second

11. Fetch, Decode and Execute Instructions