The answer is D. Electoral College
Pretty sure it’s keyloggers because it’s the only one that makes sense to me but I’m not 100% sure on that one
Answer:
Embedded Operating System.
Explanation:
Embedded OS (also called Real Time Operating System) is designed to perform a single purpose in devices that may or may not be computers that have very little computer power and little RAM size such as washing machines, ATM, media player, automobiles, and cameras. Examples of such embedded operating system are iOS(used in Apple's mobile devices), Symbian, Palm OS and Window OS.
Since they are used in single-purpose computers, they handle and perform their tasks with so much efficiency.
<em>Hope this helps!</em>
I would say 3-D model!!!! not 100% sure but this sounds most correct!