$$ Answer the "Questions" in short.. No Ai please$$ Pseudo Devices week $8$ Pop$\_$Q$2$

Linux also supports what are called pseudo or virtual devices. These devices do not represent an actual hardware and are not critical in our understanding of I$/$O management, but are useful nonetheless

Question: Look at the following function descriptions and name the pseudo device that provides that function

$1-$ What is a device that accepts and then discards all output without actually producing anything?

$2-$ What is a device that produces a variable$-$length string of pseudorandom numbers?

use the full path to the device to specify what is the correct answer