Rewrite each original sentence in order to make it easier to understand by non-native speakers of English. You can do so by replacing complex words with simpler synonyms (i.e. paraphrasing), deleting unimportant information (i.e. compression), and/or splitting a long complex sentence into several simpler ones. The final simplified sentences need to be grammatical, fluent, and retain the main ideas of their original counterparts without altering their meanings.

[Q]: A print server, or printer server, is a computer or device that is connected to one or more printers and to client computers over a network, and can accept print jobs from the computers and send the jobs to the appropriate printers.
[A]: A print server, or printer server, is a device that is connected to one or more printers and client computers over a network. It can accept print jobs from the computers and send the jobs to the appropriate printers.

[Q]: Preparations were pushed ahead for an armed revolt, and he was made commandant of the Third Battalion and adjutant of the Dublin Brigade.
[A]: He was made commandant of the Third Battalion and enforcer of the Dublin Brigade for the revolt.

[Q]: Terrorists have seized control of Las Vegas to instill widespread panic in both the public as well as law enforcement agencies, such as the National Security Agency, North Atlantic Treaty Organization, Rainbow, as well as the local SWAT.
[A]:
Terrorists have seized control of Las Vegas. They are spreadingl widespread panic in both the public and law enforcement agencies.