Why are some keyboards able to register three inputs at once, while others can only manage two?
In: Technology
Keyboards have tiny memory in them. Every key on the board has a special number. Whenever a confirmed key press occurs, this number stored in this memory and is sent to the computer. Your OS (Windows, MacOSX, etc) have a special database called keymaps. They refer these numbers from keyboards and translate it as various things.
Now, the cheap keyboard manufacturers know most popular combination of keystrokes. Like CTRL+C, CTRL+ALT+DEL, CTRL+V, etc. They have special numbers for these too. But some expensive keyboards have larger memories on-board and sometimes even have specialised software that can retrieve these keystrokes and process them.
That’s why you see that some keyboards are able to send multiple keystrokes while some can’t.
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