Multiple choice

EPROM can be erased by exposing it to what type of rays?

  1. X-rays

  2. Microwaves

  3. Ultraviolet rays

  4. Visible light

  5. Gamma radiations
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Once programmed, an EPROM can be erased by exposing it to strong ultraviolet light source (such as from a mercury-vapor light). EPROMs are easily recognizable by the transparent fused quartz window in the top of the package, through which the silicon chip is visible, and which permits exposure to UV light during erasing.

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