Question

1. your monitor is black. however, you have lights on the front of your system unit. what should you do?

push all the power cords into the backs of the devices and make sure all power cords are plugged into an electrical outlet that works.
call a repair shop.
give up and use paper and pencil.
buy a new computer.

1. a virus that uses the network to travel and infect other computers is called

a worm.
a trojan horse.
a file virus.
a macro virus.

Explanation:

For question 3: Since the system unit has lights (indicating power is on to some extent), checking power cords (a basic troubleshooting step) is more logical than immediately calling a repair shop, giving up, or buying a new computer.
For question 4: A worm is a type of malware that can use a network to travel and infect other computers. A Trojan horse disguises itself as legitimate software. A file virus infects files. A macro virus infects documents with macros.

Answer:

1. Push all the power cords into the backs of the devices and make sure all power cords are plugged into an electrical outlet that works.
2. a worm.