bitwise operations

C Language Special: 17. Logical Operations and Ternary Operator (Bitwise Logic Operations, Conditional Operator)

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C Language Special: 17. Logical Operations and Ternary Operator (Bitwise Logic Operations, Conditional Operator)

The logical operators and ternary operator (conditional operator) in C language are very common and fundamental operators, used for boolean logic operations and simplifying conditional expressions. By using these operators appropriately, the code can be made more concise and clear. This article will focus on logical operators, the ternary operator, and bitwise logic operations. 1. … Read more

C++ GESP Level 3 Key Points and Preparation Questions

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C++ GESP Level 3 Key Points and Preparation Questions

Detailed Explanation of Core Points for C++ GESP Level 3 In the GESP Level 3 exam, C++ is the core language assessed, and mastering the key points is crucial for success. Today, we will systematically outline the important and frequently tested knowledge points in the GESP Level 3 exam, combined with real questions and practice … Read more

C++ Operations: A Magical Toolkit for Programming

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C++ Operations: A Magical Toolkit for Programming

Students, the various operations in C++ are like a magical set of “tools” that allow programs to achieve a wide range of functionalities. Let’s take a look at how these “tools” perform their magic. Arithmetic Operations: The “Magical Arithmetic Class” of Numbers Arithmetic operations are used to handle basic mathematical calculations, just like the addition, … Read more

C++ Bitwise Operations (Ninety-Three) [Part 1]

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C++ Bitwise Operations (Ninety-Three) [Part 1]

Long time no see! Due to personal and academic issues, I stopped updating for six months. Today, I will continue to publish articles, and I hope everyone enjoys them.Today, we will learn about: bitwise operations1. Brief Overview of Bitwise OperatorsBitwise operations are a type of operator. When we use a computer, it cannot understand our … Read more

GESP Level 3 C++ Language Syllabus & Knowledge Point Analysis

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GESP Level 3 C++ Language Syllabus & Knowledge Point Analysis

GESP Programming Ability Certification Standards from Level 1 to Level 8 (Syllabus)Download link:https://gesp.ccf.org.cn/101/1008/10012.htmlLevel 3 Knowledge Content (C++)The following is a detailed explanation of these knowledge points based on the GESP Level 3 C++ programming language syllabus:1. Data Encoding (Original Code, Inverse Code, Complement Code) 1. Original Code Original code is the most intuitive encoding method. … Read more

Guide to Overcoming Key Challenges in GESP C++ Level 3

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Guide to Overcoming Key Challenges in GESP C++ Level 3

This is a guide to overcoming key challenges in the GESP C++ Level 3 exam, summarizing core knowledge points, high-frequency exam topics, and preparation suggestions based on the exam syllabus and analysis of past exam questions, helping candidates to review efficiently: 1. Core Challenges and High-Frequency Topics 1. Data Encoding and Base Conversion Two’s Complement/One’s … Read more

Microcontroller C Language Programming: Bitwise Operations

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Microcontroller C Language Programming: Bitwise Operations

This section introduces the basic knowledge of microcontroller programming, following the previous discussions on why C language is used for microcontroller programming and the programming environments required. The first topic to cover is bitwise operations. Bitwise operations are very common when configuring the registers of a microcontroller. For example, when configuring a GPIO of a … Read more

Learn Linux File System and Common File Operations Easily!

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Learn Linux File System and Common File Operations Easily!

Click the blue text above to follow us 1. Basics of the Linux File System 1. Characteristics of the Linux File System The Linux file system adopts a tree structure, starting from the root directory root (/). The Linux virtual file system allows many different types of file systems to coexist and supports operations across … Read more

Ultimate Guide to Linux Permission Management for Beginners

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Linux | Red Hat Certified | IT Technology | Operations Engineer 👇 Join the tech exchange QQ group with 1000 members, note 【Public Account】 for faster access 1. User Types in Linux Before we dive into Linux permission management, let’s first understand a key concept: user types in Linux. In Linux, there are actually two … Read more

Linux Tools i2c-tool and memtool32 for Register Operations

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Linux Tools i2c-tool and memtool32 for Register Operations

Linux | Red Hat Certified | IT Technology | Operations Engineer 👇Join our technical exchange QQ group with the remark 【Public Account】 for faster access 1. First, download the i2c-tool and memtool32 tools directly to the development board for use: 2. i2cdetect command: This command is used to scan for devices on the i2c bus … Read more