A standard computer keyboard has about 100 keys. The keyboard controller detects the keystroke. The controller places a scan code in the keyboard buffer, indicating which key was pressed.
Functions of Keyboard
Enter Key: This key helps to open any active icon & change line as your requirement.
Backspace Key: This key helps to remove one by one character from right side.
Space bar Key: This key helps to give space of one character.
Alt Key: This key helps to close computer using ALT+F4.
Ctrl Key: This key helps to save any file using Ctrl+S.
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