The keys used to lock the keyboard is …..? A) CTRL + Tab B) CTRL + Alt C) Window logo + L D) Windows logo + K Related MCQs: The keys used to lock the keyboard….? The keys on the top of keyboard as F1, F2………F12 are known as? A standard enhanced keyboard has …….. keys? In MS Word 2007, to extend a selection to the end of a word, press …. keys from keyboard?