<u><em> </em></u>Answer:
1) Press Ctrl + Alt + Del
2) Click the power button in the bottom-right corner of the screen.
3) From the desktop, press Alt + F4 to get the Shut Down Windows screen.
and that's how to shut down your computer
<u><em></em></u>
<u><em>Please mark as brainliest if answer is right</em></u>
Have a great day, be safe and healthy
Thank u
XD
Answer:
The oldest malware vector was emails.
Explanation:
Websites were not widespread early on into the internet, however it was very easy to have a virus that uses an email contact list, where it can send itself to other email addresses and spread.