Question about Computers & Internet
ok here is how it works when you press a key this produces a make code when you release the key this produces a break code a chip in the keyboard processes these codes to produce a scan code that is sent to the cpu the chip determines the locatiopn of the key pressed and sends that location ,together with the irq to the cpu the scan code stores it temporarly into the memory now the bios converts the scan code to the character assigned to the code thus producing a letter in a language depending on the user like english /spanish /ect ect this probably is confusing but this is how it works. hope this solves your question
best regards mike
Posted on Mar 11, 2009
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Posted on Jan 02, 2017
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