Answer: An attack where the attackers will interrupt a data transfer happening between parties and in which they will pretend to be the legitimate parties.
Explanation: For example think about two people writing letters to each other back and forth. However you, the attacker can intercept the letters and effectively change the message/contents of the letter going to the other person. This is probably not the best explanation, but simply put a man-in-the-middle attack is when an attacker interupts a transfer and pretends to be the legitimate source.
I believe this is false as some radio waves can travel beyond our solar system
Mentely es eso espero q te ayude :)
The answer is enhance traditional instruction. Computers are often used by teachers so that the teachers may have an easier time with their visual aids. Now that we have tools like powerpoint presentations and excel files, it will be easier for the teachers to prepare
A pro of HCI technology is that its user friendly and a con about it is that you have to teach the user what to do or guide them!