Which actions help to protect a computer and keep it running properly? Check all that apply. performing regular scans
deleting any unwanted files
backing up files and other data
saving Internet browsing history
saving and storing all junk files

Two students are discussing the flow of electricity. student a says that voltage is a measure of the amount of electron flow in a circuit. student b says that power is the product of voltage and current. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct