Awindows host sends a tcp segment with source port number 1200 and destination port number 25. the sending host is a(n)

Explain briefly why you cannot expect to find a previous version of every file with which you work.

Modern businesses use different technologies to accomplish work tasks

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!