What is the function of a screen saver in a computer system?
A
Saving an unsaved file
B
Saving the system's power supply
C
Preventing damage to the screen
D
Showing animation on the screen
Correct Option:
C
Explanation
Screen savers were originally developed to prevent phosphor burn-in on CRT displays by avoiding a permanently static image. Showing animation is what many screen savers do, but historically, screen protection explains why they are called "screen savers".
