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.
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.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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- 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.
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