A Day Working with an 8GB Raspberry Pi 4 Instead of MacBook Pro
Participants: Zhang Qian, Egg Sauce, Xiao Zhou
About two weeks ago, the Raspberry Pi 4 announced its latest upgrade: a new 8GB memory version, priced at $75. Is this new Raspberry Pi really worth it? To answer this question, a YouTuber named Jeff Geerling had a bold idea: on a workday, unplug his MacBook Pro and plug in the newly purchased 8GB Raspberry Pi 4 as his main work computer to see what it feels like after a day.
Understanding the Architecture of Arm Cortex-A53 Cache
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This article is authorized and reprinted from the WeChat public account Arm Selected. This article mainly shares the architecture interpretation of A53 cache.
1 A53 uses the classic big-LITTLE architecture
Below is an early classic big-LITTLE architecture diagram.
Figure 1
Figure 2
2 A53's cache configuration
L1 I-Cache
● Configurable: 8KB, 16KB, 32KB, or 64KB
● Cache line: 64 bytes
● 2-way set associative
●
Comprehensive Guide to Android Interview Questions You Need in 2017
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How to Enable SELinux Mode in OpenHarmony? RK3566 Development Board Demonstration
This article introduces how to enable/disable SELinux permissions in the open-source OpenHarmony system,demonstrated on the Tactile Intelligence Purple Pi OH development board, which is equipped with the Rockchip RK3566 chip, designed like a Raspberry Pi, recommended by the Laval official community, and has adapted to the new OpenHarmony 5.0 Release system!
A Comprehensive Overview of Embedded and Computer-Related Concepts
Hello everyone, I am the Mixed Cuisine King.
The most basic aspect of learning about embedded systems and computers is to understand some concepts. There are many concepts related to embedded systems and computers, and this time I will summarize some:
1. Operating System (OS): A system software that manages computer hardware and software resources, it is also the kernel and foundation of the computer system. The operating system needs to handle management and configuration of memory, determine the priority of system
Understanding Embedded Operating Systems: A Comprehensive Guide
Embedded technology has gradually integrated into our daily lives with the advent of the digital intelligence era. But do you really understand embedded operating systems? 😁😁😁
Question: What exactly is an embedded operating system?
Answer: An embedded operating system is a specific operating system designed for embedded systems, it can effectively manage system resources and provide good task scheduling, memory management, and driver support. It meets
Running Windows 10 IoT Operating System on Raspberry Pi 4
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WeChat Public Account | Embedded Column
The hardware performance of Raspberry Pi 4 has significantly improved compared to Raspberry Pi 3, and netizens have reported that Raspberry Pi 4 can install and run Windows 10 IoT Core operating system.
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1
Windows