Monday, February 1, 2016

Steps of Keyboard to appear key on screen

step 1: Keyboard->[sends an electrical signal]->

step 2: Computer(keyboard controller)->[interprets the signal and forward scan code to]->

step 3: Processor->[routes it to the program for]->

step 4: Operating system->[sends a message to that current active window]->

step 5: Current window->[process the signal by taking one byte of computer memory (RAM) and sends to]->

step 6: Operating system->[will add it to video card]

step 7: Next time when the video card refreshes your monitor the letter will appear on the screen

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