6106
For PROMs that switch one to zero , the roles of NUL and DEL are reversed ; also , DEL will only work with 7-bit characters , which are rarely used today ; for 8-bit content , the character code 255 , commonly defined as a nonbreaking space character , can be used instead of DEL .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None