CPU and Von Neumann Architecture
This unit delves into the fundamental concepts of CPU functionality and the Von Neumann architecture, exploring the purpose of the CPU, common components like registers, and factors influencing CPU speed. Understand how the CPU decodes instructions, performs calculations, and utilizes memory efficiently to execute tasks. Dive into the Von Neumann architecture to comprehend how data and instructions are processed within the CPU.
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Presentation Transcript
1.1 Systems architecture Name: In this unit you will learn about: The purpose of the CPU The Von Neumann architecture Common CPU components and their function Grade Target Depth Understanding Comment 7-9 All aspects complete All work is accurate 5-6 Most aspects complete Most work is accurate 3-4 Some aspects complete Some work is accurate 1-2 Little work complete Little work is accurate Response:
1.1 Systems architecture About the CPU About the CPU What the central processing unit (CPU) does: The CPU has a small amount of memory on the chip called registers. The registers are called: Acronym: Purpose: Stores the location in memory to be used by the MDR. Holds the address of where data is to be fetched or stored. Holds the data fetched from, or to be written to the memory. Holds the results of calculations. Holds the address of the next instruction. This component performs calculations, e.g. addition/subtraction and logical decisions, e.g. does this equal ? The CPU also has these components: This component decodes instructions and sends signals to control how data moves around the CPU. This memory provides fast access to frequently used instructions and data without having to go to the main memory (RAM).
1.1 Systems architecture Factors affecting the speed of the CPU Factors affecting the speed of the CPU Description here Description here Description here
1.1 Systems architecture How the CPU works: the Von Neumann architecture How the CPU works: the Von Neumann architecture Address Data Load Address 5 1 Add 2 CPU MEMORY Address 6 CU Store in Address 6 3 4 End ALU Cache 5 23 6 12
