Ralf Kleberhoff's user avatar
Ralf Kleberhoff's user avatar
Ralf Kleberhoff's user avatar
Ralf Kleberhoff
  • Member for 5 years, 1 month
  • Last seen this week
29 votes
Accepted

Why user-assembled kits?

26 votes
Accepted

How did early video terminals convert ASCII into font graphics?

22 votes

Was there ever any reason to wait 30 seconds to restart a c.1995 PC?

21 votes

Graphics chips in 1980

20 votes

Why did CP/M and MS-DOS use the BIOS instead of their own drivers to access hardware?

8 votes

Conditional skip instructions of the PDP-8

8 votes

Performance characteristics of the DEC Type 30 graphical display

7 votes

Why might my CRT fry any HOT I put in it?

7 votes

Why does changing a DOS/Windows EXE cause it to not run?

7 votes

Why did certain color combinations look terrible on the Commodore 64?

7 votes

Were people building CPUs out of TTL logic prior to the 4004, 8080 and the 6800?

7 votes
Accepted

Did OSes write the floppy's logical sector number resulting from sector interleave/skew in the IDAM sector ID, or was it up to the OS?

6 votes

How much did the first hard drives for PCs cost?

6 votes

How is a bus request initiated on the VME bus?

5 votes

Back in the late 1980s, how was commercial software for 8-bit home computers developed?

5 votes

CP/M without floppy drive

4 votes

Physical resolution and control of old VGA (color) CRT monitors

4 votes

Ideal resolution for color computer on PAL/SECAM

3 votes

What was the most popular CP/M terminal type?

3 votes

How was corporate training done before PowerPoint?

1 vote

Why was preemptive multitasking so slow in coming to consumer OS's?

1 vote

Can a retro-computer be a useful way to learn computer-architecture fundamentals?

1 vote

How much data could be stored on a single punched card?

1 vote

Did any European computers use 10-line fonts?