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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 1 year, 7 months
  • 81 profile views
  • Last seen 14 hours ago

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58 When was the famous “sudo warning” introduced? Under what background? By whom? Oct 9 '19
31 How do I Interface a PS/2 Keyboard without Modern Techniques? Mar 20 '19
27 Why wasn't ASCII designed with a contiguous alphanumeric character order? Jun 26 '19
24 In the original Z80 layout, where are the “traps” located? And what are their effects? May 29 '19
19 How did the Altair 8800 front panel load the program counter? Aug 31 '19
17 Was the IBM S/360 Responsible for Popularizating the 'A'-to-'F' Notation in Hexadecimal Numbers? Jun 6
8 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
8 Why do Early DRAMs (e.g. 4116) have a negative Column Address Set-up Time? Jun 11 '19
7 Why could you hear an Amstrad CPC working? Apr 10 '19
6 How to teach the Z80 to count milliseconds and microseconds like Arduino? Jun 11 '19
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