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List a few alternative options and input and output over the standerd keyboard and monitor. explain their functioning in details.

Three out of five seniors remain undecided about a college major at the end of their senior year.

Ihave a singular monitor that is a tv for my computer. recently, i took apart my computer and put it back together. when i put in the hdmi cord and booted the computer to see if it worked, the computer turned on fine but the screen was blue with "hdmi no signal." i've tried everything that doesn't require buying spare parts, any answer is appreciated!