"Any problem in the computer science field can be solved by adding an indirect middle layer"
This sentence almost summarizes the key points of the design of the computer system software architecture. The entire architecture is designed in strict hierarchy from top to bottom. The entire system of computer system software
Hardware and software are two parts of a chip system that are mutually dependent. This article summarizes the hardware and software components of a chip.(1) Hardware
Master CPU: computing and control core. The basic architecture of the Baseband Chip adopts the structure of microprocessor + Digital Signal Processor (DSP). The microprocessor is the control center o
Tags: HTML relationship design best case sharing picture equals a time20172305 2018-2019-1 "Java software architecture and data structure" the first week of learning summary textbook study content this week is mainly about the contents of the first and second chapters of the book:
Chapter I.
Software quality:
Accuracy (the degre
servers act as slave servers, that is, the master-slave mode.
Principle:MySQLUse3Threads to execute the replication function. When replication starts, the slave server createsI/OThe thread connects to the master server and requires the master server to send statements recorded in its binary log. The master server creates a thread to send the binary log content to the slave server. Slave ServerI/OThe thread reads the content sent by the master server thread and copies the data to a local file in
Mode System
Patterns are not isolated-they are mutually dependent, and the pattern system binds their composition patterns together.
A Software Architecture Model System is a collection of software architecture models. It includes guidance on implementation, combination, and actual use of models in
[Turn from] http://www.wowotech.net/comm/mmc_framework_arch.html1. PrefaceIntroduced by EMMC Basic Technology 1:MMC Introduction of MMC, SD, Sdio, the introduction of these three technologies are originated from MMC technology, there are many similarities, so the Linux kernel Unified Use MMC framework to manage all the devices related to these three technologies.This article will be based on EMMC basic technology 1:MMC Introduction to the MMC technology, learning the Linux kernel MMC framework
environment.Typical single-task program architecture
(1) starting from the specified address when the CPU is reset;
(2) Jump to the assembly code startup for execution;
(3) Jump to the main program of the user owner and execute it in main:
A. testing various hardware devices;
B. initialize each software module;
C. Enter an infinite loop and call the processing functions of each module.
The user's main prog
"Disclaimer: Copyright, welcome reprint, please do not use for commercial purposes. Contact mailbox: feixiaoxing @163.com "Recently seldom write blog, mainly because they have been looking at the school of wheat things, learning more time. Wheat College is an online video learning website, mainly about it development related content, interested students can pay attention to. Another site I think is a good one is geek college. Of course, these are off-topic.A few days ago, just a former colleague
this field, and architects will have the opportunity to re-engineer the front-end architecture, or even the development process, to make the entire software production more efficient.This article will explore the changes it brings to this field.Text: Features of enterprise application front-endEnterprise Application System is a very common software system, the c
Software architecture is more important than writing code. The architecture design of the software system requires how the components of the design system are divided, how the components interact, and the logical, physical, and systematic planning of the system. The initial architectural design also determines the suit
b/S architecture system, will use the following basic software architecture:Data access layer: To achieve access to data functions, such as adding, deleting, modifying, querying data.Business Logic layer: realize the specific logic function of the business, such as student's entrance, drop-out, achievement management, etc.Page display layer: Display the business functions on the browser, such as pagination
Successful software architecture design is of high quality, and the time and technical decision-making can meet specific requirements.The sending method must have the following qualities:
Good modularization: Each module has clear responsibilities, loose coupling between modules, high cohesion in the module, and reasonable information hiding.
Adapt to functional requirements and technical changes: in
Difficulties in designing motion control system software architecture:
1. The customer's requirements are constantly increasing according to actual needs.
Due to the needs of industrial production, the demand is constantly raised, and the domestic motion control system software started late, is still in constant exploration, in more cases, the development is ba
20172304 2018-2019 "Java software architecture and data Structure" chapter I chapter II Summary of learning contents
Chapter I. Overview1.1 Software Quality:Several features of high-quality software:
Correctness: To what extent the software meets i
Agility can solve the bureaucratic problem of the development model and respond to changes in users' business needs from the perspective of action;
The architecture can respond to changes in business requirements from the design perspective, and even solve the collection and validation of requirements in the Demand Survey phase.
Changes in requirements can generally take place in three fields: interfaces, processes and rules, organizational str
the subsequent article in-depth analysis, extraction design structure and design skills of the essence, for the vast number of software industry colleagues to share.
2. Basic knowledge of SCA specification
The SCA programming model is highly extensible and language neutral, and it is easy to be extended to various implementations of language technology java,c++,bpel,php, spring, and many other remote access bindings including Web SERVICE,JMS, Ejb,j
Memory is an important module in the Integrated Design of SOC (system on chip, on-chip system) and a significant proportion of cost in SOC. The software and hardware design of memory management is an important part of SOC Software Architecture Design. architects must balance costs and efficiency to ensure the performance of the entire system while saving memory.
The purpose of software architecture design is simply to break down the software system and reduce the complexity of software system development under the premise of keeping the software internal connection, and the basic methods of decomposition
Linux operating system High-Performance cluster-Software Architecture-Linux general technology-Linux programming and kernel information, the following is a detailed description. This article is the third part of the High-Performance cluster series. In this article, I take IBM eServer Cluster 1300 as an example to introduce the hardware and network architecture an
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