Answer:
MS-DOS is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its rebranding as IBM PC DOS, and some operating systems attempting to be compatible with MS-DOS, are sometimes referred to as "DOS
Apple Pie with some expensive stuff
Answer:
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A, most don't have a pre-plan process
Answer: Censorship.
Censorship is actually practiced not only in authoritarian regimes, but is put to higher levels in countries that are under authoritarian regimes. The best example of this would be North Korea. The North Korean leader Kim Jong-un highly restricts what the people of his country have access to, most especially when it comes to the internet.