Mattie is working on a laptop computer and notices that the computer is not running very fast. She looks and realizes that the laptop supports 8GB of RAM and that the computer is running only 4GB of RAM. Mattie would like to add four more gigabits of RAM. She opens the computer and finds that there is an open slot for RAM. She checks the other module and determines that the module has 204 pins.   What module should Mattie order? Group of answer choices SO-DIMM DDR4 SO-DIMM DDR SO-DIMM DDR2 SO-DIMM DDR3

The many computer parts on the motherboard are linked together via parallel electrical wires. Please elaborate on the meaning of these line designations.

Jared has been working on a problem with a computer at his company for several hours and still can’t ascertain the problem. The computer will not turn on, and Jared has tried everything he can think of to fix the computer. He has replaced the power cord, the power supply, and even the power strip the computer is plugged into. Jared decides that it must be the motherboard and takes the computer to his shop to replace the motherboard on the computer. When he plugs the computer in, it turns on. The problem was not the computer—someone had turned off the switch for the wall outlet that the power strip was plugged into.   Where in the troubleshooting process could Jared have discovered this problem? (Select all that apply.) Group of answer choices Identify the problem. Document findings. Establish a plan of action to resolve the problem and implement the solution. Establish a theory of probable cause. Verify full system functionality. Test the theory to determine cause.

The many computer parts on the motherboard are linked together via parallel electrical wires. Please elaborate on the meaning of these line designations.