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比尔盖子

Sysadmin of Beijing GNU/Linux User Group. FLOSS and electronics hobbyist. Code monkey who literally has zero knowledge on CS, programming, and electronics. But I do have a bit of experience, not much, but occasionally can help someone.

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  • Beijing, China
  • biergaizi.info
  • Member for 2 years, 3 months
  • 672 profile views
  • Last seen Jun 6 at 9:23

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58 When was the famous “sudo warning” introduced? Under what background? By whom? Oct 9 '19
35 How do I Interface a PS/2 Keyboard without Modern Techniques? Mar 20 '19
31 Why wasn't ASCII designed with a contiguous alphanumeric character order? Jun 26 '19
25 In the original Z80 layout, where are the “traps” located? And what are their effects? May 29 '19
23 Was memory corruption a common problem in large programs written in assembly language? Jan 21
21 How did the Altair 8800 front panel load the program counter? Aug 31 '19
19 Was the IBM S/360 Responsible for Popularizating the 'A'-to-'F' Notation in Hexadecimal Numbers? Jun 6 '20
17 What proprietary AT&T code/features were removed in BSD Net1 (/2), and BSD 4.4 Lite (/2) from the original 4.3BSD codebase? Apr 26 '20
11 What proprietary AT&T code/features were removed in BSD Net1 (/2), and BSD 4.4 Lite (/2) from the original 4.3BSD codebase? Dec 1 '20
9 Why do Early DRAMs (e.g. 4116) have a negative Column Address Set-up Time? Jun 11 '19
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