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3. The hierarchical structure of a computer system is usually divided into a microprogramme machine layer, a machine language layer, an operating system layer, an assembly language machine layer, and a high-level language machine layer. The relationship between levels is ( ). A, the upper and lower levels are irrelevant B, the upper layer to achieve the next layer of functional expansion, and the next layer has nothing to do with the previous layer C. The upper layer realizes the function expansion to the next layer, and the next layer is the foundation of the upper layer. D. The upper layer has nothing to do with the next layer, and the next layer is the foundation of the upper layer.

3. The hierarchical structure of a computer system is usually divided into a microprogramme machine layer, a machine language layer, an operating system layer, an assembly language machine layer, and a high-level language machine layer. The relationship between levels is ( ). A, the upper and lower levels are irrelevant B, the upper layer to achieve the next layer of functional expansion, and the next layer has nothing to do with the previous layer C. The upper layer realizes the function expansion to the next layer, and the next layer is the foundation of the upper layer. D. The upper layer has nothing to do with the next layer, and the next layer is the foundation of the upper layer.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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**Hierarchical Structure of a Computer System** The hierarchical structure of a computer system is usually divided into several layers as follows: 1. **Microprogram Machine Layer** 2. **Machine Language Layer** 3. **Operating System Layer** 4. **Assembly Language Machine Layer** 5. **High-level Language Machine Layer** The question pertaining to this structure asks about the relationship between these levels. The possible options provided are: **A.** The upper and lower levels are irrelevant. **B.** The upper layer achieves the next layer of functional expansion, and the next layer has nothing to do with the previous layer. **C.** The upper layer realizes the function expansion to the next layer, and the next layer is the foundation of the upper layer. **D.** The upper layer has nothing to do with the next layer, and the next layer is the foundation of the upper layer. **Explanation of the Layers:** - **Microprogram Machine Layer:** This is typically the lowest layer, consisting of the basic set of instructions operated by the hardware. - **Machine Language Layer:** This layer consists of the binary code that the machine reads directly. - **Operating System Layer:** This layer manages hardware and software resources and provides common services for computer programs. - **Assembly Language Machine Layer:** This layer represents low-level programming languages that are one step above machine language, making it easier to program while still being closely related to machine code. - **High-level Language Machine Layer:** The topmost layer consists of languages like Python, Java, and C++, which are more abstract and user-friendly due to their ease of use and understandability. Understanding the interrelationship between these layers is crucial for grasping how functions expand from basic operations (at the microprogram machine level) to complex, user-friendly commands (at the high-level language machine layer). Each upper layer builds upon the foundation set by the layers below it, expanding the functionality and abstraction available to users and programs.
Transcribed Image Text:**Hierarchical Structure of a Computer System** The hierarchical structure of a computer system is usually divided into several layers as follows: 1. **Microprogram Machine Layer** 2. **Machine Language Layer** 3. **Operating System Layer** 4. **Assembly Language Machine Layer** 5. **High-level Language Machine Layer** The question pertaining to this structure asks about the relationship between these levels. The possible options provided are: **A.** The upper and lower levels are irrelevant. **B.** The upper layer achieves the next layer of functional expansion, and the next layer has nothing to do with the previous layer. **C.** The upper layer realizes the function expansion to the next layer, and the next layer is the foundation of the upper layer. **D.** The upper layer has nothing to do with the next layer, and the next layer is the foundation of the upper layer. **Explanation of the Layers:** - **Microprogram Machine Layer:** This is typically the lowest layer, consisting of the basic set of instructions operated by the hardware. - **Machine Language Layer:** This layer consists of the binary code that the machine reads directly. - **Operating System Layer:** This layer manages hardware and software resources and provides common services for computer programs. - **Assembly Language Machine Layer:** This layer represents low-level programming languages that are one step above machine language, making it easier to program while still being closely related to machine code. - **High-level Language Machine Layer:** The topmost layer consists of languages like Python, Java, and C++, which are more abstract and user-friendly due to their ease of use and understandability. Understanding the interrelationship between these layers is crucial for grasping how functions expand from basic operations (at the microprogram machine level) to complex, user-friendly commands (at the high-level language machine layer). Each upper layer builds upon the foundation set by the layers below it, expanding the functionality and abstraction available to users and programs.
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