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.
Раскрыты подробности о договорных матчах в российском футболе18:01
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2026年2月23日14时45分，牛被众人抬上沟壑的一面山坡。南方周末记者郑丹摄
"It's a big nationalist symbol, it's attached to sovereignty. Would the Venezuelans be willing to do whatever the US says and roll over? I don't think so."