48.John has been using a computer for the past six months, loading a lot of software and media on the computer. He has never connected his computer to the Internet. For the past few weeks, his computer has been slow to respond to any commands to open a file or copy files. Which of the following options could make his computer faster?
49.A graphics designer complains that he no longer hears sound when playing music or watching a video online on his computer. You confirm the speakers are plugged in and nothing is muted. Before replacing the sound card, what are two options to pursue to make sure the card isn’t defective?