Questions tagged [keyboards]

For questions about the maintenance, usage, or history of retro keyboards.

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43
votes
3answers
4k views

Why are the symbols on the number keys of PC & Mac keyboards different to ASCII keyboards?

On a US-layout PC keyboard, the symbols above the number keys are as follows: Whereas the keyboard on an Apple II is different: Note, for example, the '(' and ')' symbols are now above 8 and 9, and '...
127
votes
5answers
16k views

Why is the keyboard and cellphone / telephone numbers in a different order?

Cellphone / Telephone have the seven bottom-left and the one top-left. While the keyboard has the seven top-left and the one bottom-left How did this come to be? Is there an interesting computing ...
33
votes
1answer
6k views

What do the keys on this Symbolics Space Cadet keyboard do?

Old keyboards like the one below seem to have contributed a lot to the design of modern keyboards. So, obviously, some of the keys are familiar because they are on my own average (modern Windows and ...
9
votes
2answers
850 views

Was there an input device capable of entering all Algol 60 symbols with correct appearance?

This question was inspired by recent discussion on early keyboards and character sets, and mention in passing about how the COBOL designers were concerned about not using "non-existent" ...
71
votes
7answers
13k views

Why wasn't ASCII designed with a contiguous alphanumeric character order?

Anyone who has dealt with strings at a low level (e.g., writing a parser in C), knows that doing so tends to involve frequent checks of—either manually, or through isalpha(), isalnum(), etc—whether a ...
34
votes
5answers
9k views

Why is the clock frequency of the PS/2 keyboard protocol so high?

The PS/2 keyboard protocol allows the keyboard to generate a clock rate between 10 kHz and 16.7 kHz. At 11 bits per scancode, 10 kHz is a massive 909 scancodes per second. World-record holder Barbara ...
4
votes
1answer
1k views

How I can install Windows 98SE in Hyper-V, but can't run it after

Create the Gen 1 machine with less than 512MiB Ram (above requires you to put MaxFileCache=524288 and MaxPhysPage=40000 in the system.ini later). Add either a virtual or physical IDE drive (physical ...
35
votes
6answers
4k views

What was the purpose and history of the C64's special keys?

I never had a Commodore 64 but I've always been curious what the purpose and history of some of the special keys were. In particular: C= Run/Stop Clr/Home Restore I'm mostly used to the standard ...
35
votes
4answers
9k views

Why do keyboards have an asterisk?

While we're all accustomed to using * as the multiplication symbol (not to mention other esoteric meanings in programming) it is of course not actually the everyday standard symbol for multiplication. ...
12
votes
1answer
2k views

On what Apple II and II+ keyboards can the ']' character be generated?

It had long been my impression that while brackets [ and ] could be displayed by the Apple II, the standard Apple II keyboard was not capable of generating them. Some time ago I noticed that on this ...
8
votes
1answer
855 views

Commodore 64 with partly working keyboard

My Commodore 64 has developed a fault with the keyboard. Some of the keys are working and some aren't. As far as I can see there is no pattern and they are randomly distributed across the keyboard. ...
5
votes
1answer
477 views

What were Commodore's keyboard layouts before the VIC-20?

Starting in 1980 the VIC-20 keyboard seems to have become sort of a standard for Commmodore, being re-used on the MAX Machine (in membrane form), C64, C16 and (with additional keys added) the 128. ...