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Member for 7 years, 11 months
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11 Questions

Score Activity Newest Views

80 votes

9 answers

15k views

Why were CLIs typically light text on dark background, whereas GUIs typically use(d) dark text on light background?

asked Sep 14, 2018 at 20:23

42 votes

5 answers

7k views

Why did so many early microcomputers use the MOS 6502 and variants?

asked May 14, 2017 at 11:46

36 votes

2 answers

6k views

How did MS-DOS assign drive letters in the case of more than two floppy disk drives?

asked May 16, 2017 at 13:35

34 votes

3 answers

3k views

Why did connecting the IBM PC 3.5" FDD backwards cause the problems it did?

asked Jun 20, 2016 at 21:29

99 votes

1 answer

30k views

Why did MS-DOS applications built using Turbo Pascal fail to start with a division by zero error on faster systems?

asked Aug 21, 2019 at 11:22

19 votes

3 answers

2k views

How did the IBM PC handle multiple physical devices serving memory at the same physical address?

asked May 24, 2017 at 19:25

16 votes

4 answers

3k views

Did the Intel 8086/8088 not guarantee the value of SS:SP immediately after RESET?

asked May 16, 2017 at 20:59

19 votes

3 answers

4k views

How to switch an 80286 from protected to real mode?

asked Aug 6, 2019 at 8:59

11 votes

2 answers

2k views

When specifying Intel 80x86 instruction execution time, what is included in the cycle count?

asked Jul 4, 2017 at 16:29

11 votes

1 answer

657 views

How were Microsoft GW-BASIC "protected" files encoded?

asked Jul 26, 2018 at 12:29

8 votes

1 answer

2k views

Which MS-/PC-DOS version was the first to allow multiple partitions to be used?

asked Dec 1, 2017 at 19:08