How do i disable internal laptop display on linux? so that i can project to external monitor! video=lvds-1: d and video=edp-1: d won't work?

Who was the first scientist to measure speed as distance over time?

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

Consider a file currently consisting of 200 blocks. assume that the file control block (and the index block in the case of indexed allocation) is already in memory. calculate how many disk i/o operations are required for contiguous, linked, and indexed (single-level) allocation strategies, for each of the conditions listed below. in the contiguous-allocation case, assume that there is not room to grow at the beginning but there is room to grow at the end. also assume that the block information to be added is stored in memory.