HC3i Introduction: Complete List The complete list of domestic operating systems in 2024 is as follows (Ranked in no particular order) 1 2124 Galaxy Kirin Kirin Software Co., Ltd. 2 2128 Winning Kirin Kirin Software Co., Ltd. 3 2134 Ubuntu Kirin Kirin Software Co., Ltd. 4 2138 ZTE New Pivot Guangdong New Pivot Technology Service … Read more
Embedded systems are widely used in today’s intelligent industry, but they often contain sensitive information and perform critical functions. These systems may involve sensitive information such as personal privacy, trade secrets, or national security. Once attacked, it can lead to serious consequences. The network security of embedded systems is aimed at preventing unauthorized access that … Read more
A job plays an important role in a person’s life, decisively affecting their quality of life. One could say that a job determines a person’s life. When choosing a job, it is essential to select an emerging industry with development prospects. In the field of IT technology, should one choose Java or Embedded Development? Let’s … Read more
Exploration Robotics Embedded systems Thanks to the tremendous advancements in embedded computing, intelligent mobile systems (exploration robots, aircraft, cars, etc.) are undergoing a revolution. These innovative systems and the new information they provide expand new industrial, scientific, and environmental perspectives. 1 Ongoing Research – Focus on the Kraken Project – Exploring the Underwater World from … Read more
2016 Microcomputer and Applications Issue 3 Author: Yuan Qianqian Abstract: This article provides a detailed study of the computer boot process and system loading, combining the collaborative invocation mechanism between hardware and software. It presents a relatively complete discussion of the entire process from pressing the power button to loading the operating system, culminating in … Read more
◆ ◆ ◆ Editor | Xiao Qi The preparation materials for the 2019 National Computer Level 3 Embedded System Development Exam have been compiled by senior students for those preparing for the exam. The preparation materials include the latest exam syllabus, textbook review materials, learning videos, past exam questions and sample questions, and simulated question … Read more
1. Storage Unit Conversion 1 word = 2 half words = 4 bytes = 4*8 bits TB = 2^10GB GB = 2^10MB MB = 2^10KB KB = 1000Byte Byte = 8bit Storage Capacity V = 2^m * n (m is the number of address lines, n is the data line width) unit is bit. Example … Read more
1. Shift Operation Instructions LSL, LSR, ASR, ROR, RRX 2. Instruction Condition Code 3. Memory Access Instructions — LDR Word Data Load Instruction.<span>LDR</span><span> instruction is used to transfer a</span><span> 32</span><span>-bit word data from memory to the destination register. This instruction is usually used to read</span><span> 32</span><span>-bit word data into a general-purpose register for processing.</span> — … Read more
The giveaway event for the “Beginner’s Guide to Hardware Design Volume 1” continues to be a hot topic, and many friends have successfully received their copies. For those who have not yet claimed it, please go to the WeChat account: Super Engineer, click on the “View History Messages” option, then open the article titled “New … Read more
ARM processors are all RISC architecture, single-cycle operations, instruction pipelines, using load or store instructions to access memory. ARM7 adopts the von Neumann architecture, 3 stage pipeline; ARM9 adopts Harvard architecture, 5 stage pipeline; Cortex-A15 adopts 13 stage pipeline.ARM after reset PC unconditionally points to 0x00000000. MMU is the memory management unit of the ARM … Read more