1. 7 Bold, italic, underline and mixes. Teletype, replaceable, strikeout.

2. Examples of these services are message relay service, teletype devices and service information and bills in alternate formats.

3. The term “Baud” originates from the French engineer Emile Baudot, who invented the 5-bit teletype code

4. For years deaf people have used teletype machines and, more recently, E-mail to communicate with friends.

5. The telecommunications device for the deaf (TDD) became available in the form of the teletype (TTY) during the 1960s.

6. Even though Telnet was an ad hoc protocol with no official definition until March 5, 1973, the name actually referred to Teletype Over Network Protocol as the RFC 206 (NIC 7176) on Telnet makes the connection clear: The TELNET protocol is based upon the notion of a virtual teletype, employing a 7-bit ASCII character set.