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70
How did early green PS/2 to USB mouse adapters work?
retrocomputing.stackexchange.com

66
Is it possible to know which lines in the Gameboy Color cartridge connection is missing by looking at the glitched Nintendo logo?
retrocomputing.stackexchange.com

58
What exactly did the "UNFORMAT" MS-DOS command do?
retrocomputing.stackexchange.com

58
UART signal is "rounded"
electronics.stackexchange.com

57
Why aren't resistors being used in this flip-flop used in static MOS RAM?
electronics.stackexchange.com

57
Why put a 10k resistor between VUSB and GND?
electronics.stackexchange.com

52
Why does MS-DOS 6.22 boot so slowly?
retrocomputing.stackexchange.com

50
Why didn't PC games eschew MS-DOS and deal with BIOS directly?
retrocomputing.stackexchange.com

50
Is the capacitor drawn or wired wrongly?
electronics.stackexchange.com

50
CD with physical hole is perfectly readable - how?
retrocomputing.stackexchange.com

47
Was the MS-DOS window in Windows 95 an emulator like current DOSBox?
retrocomputing.stackexchange.com

47
Why did they design new connectors for USB?
electronics.stackexchange.com

46
Why can't I invoke the next interrupt service by incrementing the AX register after calling the same interrupt?
retrocomputing.stackexchange.com

46
Why did programmers keep using EMS when XMS became commonly available?
retrocomputing.stackexchange.com

43
High-capacity floppy drives from the early 2000s, what were they?
retrocomputing.stackexchange.com

43
What is the purpose of mirrored memory regions in NES's CPU memory map?
retrocomputing.stackexchange.com

43
Why did Nintendo 64 (1996) memory cards require a battery inside them to retain data whereas the PlayStation (1994) ones did not?
retrocomputing.stackexchange.com

40
Two LEDs connected in series don't work
electronics.stackexchange.com

40
Why did some video games apparently use "interlaced" video modes?
retrocomputing.stackexchange.com

40
Did MS-DOS have any support for multithreading?
retrocomputing.stackexchange.com

40
What is the Commodore 64C "France version" and why does it need a beefy resistor?
retrocomputing.stackexchange.com

39
Did DOS on the early, slow machines ever fail to handle interrupts timely, and what happened if it did?
retrocomputing.stackexchange.com

39
What is happening in this algorithm scaling an 8-bit 0-99 value to full-range 16-bit?
retrocomputing.stackexchange.com

38
Where does the trouble older CD drives have reading newer burned discs come from?
retrocomputing.stackexchange.com

36
LED dies under a 3.75V lithium-ion battery, but works fine with a 9V PP3
electronics.stackexchange.com

35
How does the network card determine the cable length?
electronics.stackexchange.com

34
When did the Linux kernel become libre software?
retrocomputing.stackexchange.com

33
How did people get apps on their computer before the Internet?
retrocomputing.stackexchange.com

33
How can a Cat 5 cable (frequency 100 MHz) transmit 2.5 gigabits/second?
electronics.stackexchange.com

32
How can the CMOS version of 555 timer have the output current tested at 2 mA while its maximum supply is 250 μA?
electronics.stackexchange.com

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