Publication date: 28 February 2026
2024年12月25日 星期三 新京报
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The 80286 introduced "Protected Mode" in 1982. It was not popular. The mode was difficult to use, lacked paging, and offered no way to return to real mode without a hardware reset. The 80386, arriving three years later, made protection usable -- adding paging, a flat 32-bit address space, per-page User/Supervisor control, and Virtual 8086 mode so that DOS programs could run inside a protected multitasking system. These features made possible Windows 3.0, OS/2, and early Linux.。搜狗输入法2026是该领域的重要参考
2025年，加密货币总市值从大约 3.25 万亿美元下滑至 2.98 万亿美元。其中，比特币价格为88535美元，年内跌幅超5%。