DRAM (dynamic random access memory)램과 낸드플래시(Nand Flash)- **CPU--Central processing unit > WEB 중요웹사이트연결

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D램과 낸드플래시(Nand Flash)의 차이 쉽게 정리 및 비교
    DRAM (dynamic random access memory)램과 낸드플래시(Nand Flash)-*

https://donmyoung.tistory.com/entry/DRAM-NAND-Comparing

***CPU--Central processing unit
A Central Processing Unit (CPU) is the main hardware component in a computer that serves as its "brain," responsible for executing instructions from software, performing calculations, and controlling the operations of other components. Also known as the main processor, the CPU fetches, decodes, and executes instructions in a cycle, allowing devices like computers, smartphones, and servers to run operating systems and applications by converting input data into useful output. Modern CPUs often contain multiple "cores," which are individual processing units on a single chip, enabling the device to perform multiple tasks simultaneously. 
Key Functions of a CPU
Instruction Execution: Fetches instructions from memory, decodes them, and executes them.
Calculation: Performs arithmetic, logical, and control operations required for the computer's operation.
Control: Manages and coordinates the transfer of data and instructions between other components in the system, such as memory and input/output devices.
Data Transformation: Transforms raw input data into more usable information.
How a CPU Works (Simplified)
The CPU operates on a cycle that involves several stages:
Fetch: The CPU retrieves an instruction from the computer's memory.
Decode: The CPU interprets the instruction to understand what needs to be done.
Execute: The CPU performs the required task, such as a calculation or data manipulation.
Store: The results of the operation are sent back to memory or to another component.
Key CPU Concepts
Cores: Modern CPUs have multiple cores, which are essentially individual processing units on the same chip. More cores allow the CPU to handle more tasks at the same time, improving multitasking performance.
Speed (Hertz): CPU speed is measured in Hertz (Hz), with higher Hz values indicating a faster processor that can execute instructions more quickly.
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