微处理器技术基础 - 2026 进行中

科目: 微处理器技术基础
级别: IV
类别: 大学生
测试题目: 英语
问题示例: What is the purpose of sign extension when an n-bit signed value is moved into a wider register? It shifts the value one position to the left, It changes the value into unsigned representation, It preserves the original signed value by copying its sign bit, It clears all newly added bits