C language

2025 National Computer Level Examination Level 2 C Language Passing Question Bank [Past Exam Questions + Chapter Question Bank + Simulation Tests]

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2025 National Computer Level Examination Level 2 C Language Passing Question Bank [Past Exam Questions + Chapter Question Bank + Simulation Tests]

[C Language Level 2 Exam Preparation Strategy | 30-Day Efficient Sprint Guide] 1. Clarify Key Exam PointsThe Level 2 C Language exam includes multiple-choice questions (40 points) and practical questions (60 points). Key areas to master include: data types, loop structures, arrays, functions, pointers, structures, and file operations. 2. Phased Preparation Plan Foundation Stage (10 … Read more

Learning C Language Day 6

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Learning C Language Day 6

Main content: while statement, do statement, for statement, exit loop, empty statement, etc. A loop is a statement that repeatedly executes other statements (the loop body). In C language, each loop has a controlling expression. Each time the loop body is executed (the loop repeats once), the controlling expression is evaluated. If the expression is … Read more

From Beginner to Abandonment: Why 80% of People Can’t Learn C Language? Now I Understand, No Wonder I Can’t Learn It Either~

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From Beginner to Abandonment: Why 80% of People Can't Learn C Language? Now I Understand, No Wonder I Can't Learn It Either~

“From today on, study hard and make progress every day” Repetition is the best method for memory; spend one minute every day to remember the basics of C language. 💻 From Beginner to Abandonment: Why 80% of People Can’t Learn C Language? Now I Understand, No Wonder I Can’t Learn It Either~ “C language is … Read more

In-Depth Comparison of MCU Assembly Language and C Language: From Principles to Practice

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In-Depth Comparison of MCU Assembly Language and C Language: From Principles to Practice

1. Essential Differences: Low-Level Control vs High-Level Abstraction 1.1 Assembly Language: Direct Mapping to Hardware Assembly language is a mnemonic representation of machine instructions, closely coupled with the MCU architecture. Taking the assembly of ARM Cortex-M as an example: ; Add registers R1 and R2, store the result in R0 ADD R0, R1, R2 ; … Read more

Learning C Language: Part Eight

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Learning C Language: Part Eight

Three Essential Elements of a Function Functionality, Parameters, Return Value. 1. Function Exercises 1. Define four functions to implement the operations of two integers: +, -, *, / my_add my_sub my_mul my_div After writing, test the functionality yourself. #include <stdio.h> int my_add(int x, int y); int my_sub(int x, int y); int my_mul(int x, int y); … Read more

Daily C Language Challenge No. 10: Number Guessing Game – Can You Guess It in 10 Attempts?

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Daily C Language Challenge No. 10: Number Guessing Game - Can You Guess It in 10 Attempts?

📌 Problem Description Write a number guessing game with the following rules:: The program randomly generates an integer between 1~100. The user has a maximum of 10 attempts, with hints provided as “too high” or “too low” after each guess. Upon guessing correctly, a congratulatory message is displayed; if unsuccessful, the correct answer is revealed. … Read more

Code Refactoring Techniques in C Language Development

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Code Refactoring Techniques in C Language Development

Code Refactoring Techniques in C Language Development In software development, code refactoring refers to the process of improving and optimizing existing code without changing its external behavior. Proper refactoring can enhance the readability, maintainability, and performance of the code. This article will introduce some basic code refactoring techniques in C language development and demonstrate how … Read more

C Language Final Experiment Problem Solving Guide

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C Language Final Experiment Problem Solving Guide

Analysis of Experiment Problems and Problem-Solving Ideas In the process of learning C language, experiment problems are an important part of assessing the mastery of theoretical knowledge. I bring you a C language final experiment problem-solving guide to help you navigate through the experiments with ease. Let’s look at the first problem: Sorting Character Arrays. … Read more

Implementing a Simple Text Editor in C Language

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Implementing a Simple Text Editor in C Language

Implementing a Simple Text Editor in C Language In this article, we will implement a simple text editor using the C language. This editor will be able to read, display, and save text files, making it suitable for beginners to understand basic file operations and string handling. Requirements Analysis We aim to implement the following … Read more

Implementing a Scientific Calculator in C Language

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Implementing a Scientific Calculator in C Language

Implementing a Scientific Calculator in C Language Introduction In daily programming, a simple calculator can perform basic operations such as addition, subtraction, multiplication, and division, while a scientific calculator can execute more complex mathematical operations, such as trigonometric functions and logarithms. This article will guide you on how to implement a simple scientific calculator using … Read more