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What is the source of luminosity for protostars that have not yet become hot enough for fusion in their cores?
Boot-sector Virus
A type of malware that infects the boot sector of storage devices, potentially taking control of the boot process to load the virus.
Master Boot Record
A small program that runs whenever a computer boots up.
CAPTCHA
A type of security measure known as "Completely Automated Public Turing test to tell Computers and Humans Apart". It helps prevent spam or automated data submissions by asking users to enter a set of characters they see in an image or hear in an audio clip.
Wavy Hard-to-read Letter
Often used in CAPTCHA tests, these are distorted text characters designed to be difficult for automated systems to read, used to prevent bot access to websites.
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