Virtual Serial Port Driver in Linux (Part 2)

Introduction In the previous article, we briefly introduced the difference between bare-metal drivers and device drivers, as well as the driver architecture of character devices in the Linux kernel. Without an operating system, upper-layer applications directly access the driver interface, and application engineers need to know the driver interface for each device. When accessing Flash, … Read more

A Beginner’s Guide to Maximizing Computer Hardware Performance

Let’s Start with a Story Many people experience their computers slowing down over time due to accumulated fragmentation, eventually leading to a crash that renders them unusable. They then follow countless tutorials online to reinstall the system. After reinstalling the system, they check that the monitor, keyboard, mouse, USB ports, network ports, and wireless network … Read more

How to Install Computer Drivers for Optimal Performance

The English name for drivers is Device Driver, which is short for device driver program. It is a special program that allows a computer to connect with devices, acting as an interface for the hardware. If this interface has issues, the computer cannot function properly. Therefore, driver programs are regarded as the soul of hardware, … Read more

How to Solve Driver Issues on Your Computer

Toothache is not a disease, but it can be deadly. What is the most frustrating thing when using a computer? Driver issues. For example, if the sound card driver is abnormal, there will be no sound from music or the microphone; if the graphics card driver is abnormal, the screen will lag and operations will … Read more

Introduction to Programming Languages and Python

✦ ✦ ✦ ✦ ✦ ✦ Table of Contents1. Introduction:2. Classification of Programming Languages:2.1 Machine Language2.2 Assembly Language2.3 High-Level Language2.3.1 Compiled (e.g., C Language):2.3.2 Interpreted (e.g., Python):2.4 Summary3. Introduction to Python3.1 History of Python Interpreters3.2 Types of Python Interpreters?4. Installing CPython Interpreter5. First Python Program5.2 Comments6. Using the IDE Tool PyCharm6.1 What is an IDE? … Read more

Building a CPU with Excel: 128KB RAM and Assembly Language

YouTube tech blogger “Inkbox” recently released a video demonstrating how to build a fully functional CPU within the limitations of Microsoft Excel. Inkbox claims that no Visual Basic scripts or plugins were used—everything was achieved entirely with Excel. https://www.youtube.com/watch?v=5rg7xvTJ8SU It is reported that this is a 16-bit CPU built in Excel and runs at a … Read more

The History of FORTRAN Programming Language

Programming Language – History FORTRAN Past Events Fortran is an abbreviation of “Formula Translation”. It is the world’s first high-level programming language for computers, widely used in scientific and engineering computations. FORTRAN plays an important role in numerical, scientific, and engineering computations due to its unique features. (Versions prior to Fortran 90 are known as … Read more

History of C Language Development

History of C Language Development The world originally had no computers; engineers created them out of necessity for their work. To inform the normal operation of computers, engineers invented programming languages. As the C language exam approaches, are you feeling as frantic and furious as I am? Today, let’s learn about the history of C … Read more

Handcrafted CPU Expert: Assembler Language for Unix-like System

Hardware Design: GR8CPU is a fully functional computer built on a breadboard. The first version, GR8CPU Rev2, has over 600 wires, 74 integrated circuits, and 79 LEDs. It is an 8-bit architecture, designed with simplicity and processing power in mind. The CPU can access 256 bytes of RAM and a fully functional Tic-Tac-Toe game has … Read more

Embedded Assembly Language Learning Experience

Electronics Competition Group: 5-year Electronic Design Competition D Topic 481123148; 15-year Electronic Design Competition E Topic 481123833; 15-year Electronic Design Competition F Topic 73646017; 15-year Electronic Design Competition G Topic 45169719; 15-year Electronic Design Competition H Topic 16986998; 15-year Electronic Design Competition I Topic 80699535; 15-year Electronic Design Competition J Topic 475528830; The first problem … Read more