Problem
1. What is the difference between asynchronous and synchronous transmission systems? What are the advantages and disadvantages of each mode of transmission?
2. What are the functions of the DCD*, CTS*, and US* pins of the 6850 ACIA?
3. The control register of a 6850 ACIA is loaded with the value $135. Define the operating characteristics of the ACIA resulting from this value.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.