User 比尔盖子

66 votes

1 answer

19k views

When was the famous "sudo warning" introduced? Under what background? By whom?

asked Oct 9, 2019 at 19:39

38 votes

4 answers

9k views

How do I Interface a PS/2 Keyboard without Modern Techniques?

asked Mar 20, 2019 at 22:25

29 votes

1 answer

3k views

In the original Z80 layout, where are the "traps" located? And what are their effects?

asked May 29, 2019 at 2:45

23 votes

1 answer

908 views

Was the IBM S/360 Responsible for Popularizating the 'A'-to-'F' Notation in Hexadecimal Numbers?

asked Jun 6, 2020 at 10:35

23 votes

12 answers

7k views

Was memory corruption a common problem in large programs written in assembly language?

asked Jan 21, 2021 at 9:46

17 votes

1 answer

672 views

What proprietary AT&T code/features were removed in BSD Net1 (/2), and BSD 4.4 Lite (/2) from the original 4.3BSD codebase?

asked Apr 26, 2020 at 16:02

10 votes

3 answers

1k views

Why do Early DRAMs (e.g. 4116) have a negative Column Address Set-up Time?

asked Jun 11, 2019 at 15:22

8 votes

4 answers

2k views

What were the Major Public Access Unix Systems Available in the 1980s-90s?

asked May 22, 2020 at 7:41

Stack Exchange Network

8 Questions

When was the famous "sudo warning" introduced? Under what background? By whom?

How do I Interface a PS/2 Keyboard without Modern Techniques?

In the original Z80 layout, where are the "traps" located? And what are their effects?

Was the IBM S/360 Responsible for Popularizating the 'A'-to-'F' Notation in Hexadecimal Numbers?

Was memory corruption a common problem in large programs written in assembly language?

What proprietary AT&T code/features were removed in BSD Net1 (/2), and BSD 4.4 Lite (/2) from the original 4.3BSD codebase?

Why do Early DRAMs (e.g. 4116) have a negative Column Address Set-up Time?

What were the Major Public Access Unix Systems Available in the 1980s-90s?