Answer:
A. Video Card
Explanation:
Assuming that he has purchased everything as such. A video card or graphics card is the key thing he's missing to play any games and being VR-compatible. B and D are not really necessary to gaming and although having an C is kind of needed. Playing on an old monitor is fine as well, just as long as it has an HDMI or DP input. All that's left is the video card.
Answer:
Share A File
Explanation:
Sending an email or an sms is not based upon bluetooth. You can't share apps. You can share information from apps, but not the app itself. Sharing a file is a common bluetooth mechanism.
Font size, font style, and <em><u>typeface</u></em> are all aspects of character formatting.