Answer:
Sir William Crookes invented the cathode ray tube in 1878, but these discoveries took many years to merge into the common ground of television. His mechanical system used a scanning disk with small holes to pick up image fragments and imprint them on a light-sensitive selenium tube. A receiver reassembled the picture.
Collision between fast moving particles
Answer: d. Run a virus scan
Explanation: Running a virus scan will reveal if the trojan virus or any other malware has been launched and the clearing the virus when detected. These will make the computer to start working well again. The unexplainable processes that started when the computer was rebooted can be viruses.
Answer:
implements CSMA/CD over legacy shared half-duplex media; enables IPv4 and IPv6 to utilize the same physical medium; integrates Layer 2 flows between 10 Gigabit Ethernet over fiber and 1 Gigabit Ethernet over copper
Explanation:
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The main advantage is the security, the pan is a personal network of one or two person so there is no risk of any leak of data, best way to share resources each other via bluetooth
