Hello everyone, I am Chen Jianhao, and I am often called Engineer Chen. I enjoy pondering technical issues and organizing the pitfalls and fragmented thoughts I encounter at work into articles. Occasionally, I also share insights from my work and life experiences. Summary of Related Articles on the oVirt Open Source Virtualization Platform Introduction to … Read more
For industrial Internet platforms, the core challenge is how to effectively connect, collect, store, and utilize IoT data while ensuring data accuracy and real-time performance.The Internet of Things (IoT) utilizes various technologies to achieve perception, connection, storage, and application of the physical world, providing deeper and more comprehensive data and services.Here is an analysis and … Read more
Table of Contents 【CH.1】What is DRAM? Why is it important?【CH.2】Basic unit of DRAM: Capacitor, Transistor, and Storage Principle【CH.3】Column Address, Address Bus, and the Need for Address Multiplexing.【CH.4】RAS (Row Address Strobe), CAS (Column Address Strobe), WE (Write Enable).【CH.5】Step by Step, with Delay Explanation (RAS-to-CAS Delay, CAS Latency).【CH.6】Step by Step, explaining how data is written and refreshed.【CH.7】Why … Read more
Programming UFS Chips From a structural perspective: Although there is no significant difference in appearance and function between eMMC flash memory and UFS flash memory, the internal structures of the two are fundamentally different. This essential difference in internal structure leads to a significant disparity in their theoretical bandwidth. Overview of UFS Chips Definition UFS … Read more
Click the blue words Follow us Common Data StorageMedia · I. Overview of Storage Media · Currently, the common data storage media on the market include four categories: magnetic storage media, optical storage media, electronic storage media, and film storage media (abbreviated as: magnetic, optical, electronic, film). Each category of storage media also includes some … Read more
Click the blue word to follow us With the official launch of the ‘East Data West Computing’ project, new infrastructure, the big data industry, and surrounding supporting industries are ushering in significant benefits and investment opportunities. Facing a trillion-level industry space, major cloud computing vendors and ICT (Information and Communication Technology) companies are scrambling to … Read more
A financial institution’s VMware virtualization environment has 1,000 virtual machines running on 80 data storages. Recently, due to the rapid increase in the number of virtual machines caused by many business launches, storage space has become tight. However, the institution did not have effective virtualization operation and maintenance monitoring tools to comprehensively monitor the growth … Read more
Hello everyone, today we will learn about the wiring of the Siemens S7-200 PLC and the S7-200 data storage areas: First, let’s look at how to wire: S7-200 Data Storage Areas: 1. Input/Output Image Registers: The addressing range of S7-200 PLC is (I0.0~I15.7). The input image register (this area can be operated bit by bit, … Read more
Keyword Classification Interpretation In C language, keywords are identifiers with special meanings and purposes, used to define variable types, control program flow, specify storage attributes, etc. Below is a simple classification interpretation of these keywords: Storage Class Keywords: such as <span>auto</span>, <span>register</span>, <span>static</span>, <span>extern</span>, used to define the storage location and scope of variables. For … Read more
As a seasoned trader, analyzing the industrial chain aims to clarify trading logic and set clear goals, included in the “Industrial Chain Analysis” collection; focusing on corporate analysis is to accurately identify core targets—these targets are often at developmental turning points, harboring key investment opportunities, with related content included in the “Anchor Moments” collection. Domestic … Read more