Answer:
its copyright has expired
Explanation:
If a work is in the public domain it means that it's copyrighte has been expired.
After the period of copyright protection has expired, a work becomes available for use without permission from the copyright owner; it is now said to be "in the public domain." Most works enter the public domain because their copyrights have expired.
Answer:The number of standards
Explanation:Electronic data interchange (EDI) is the mechanism through which data is interchanged in the system electronically.It is mostly found in the business field for exchanging of data.
As EDI helps in making message accurate by decreasing the length and also has beneficial features of maintaining the security and increasing productivity ,hence these factor are not considered as the disadvantage .
Too many standard present in the EDI make the working complex by limiting the processing in the small business as compared with large organization.
Answer:
hub is central computer.....True...
