O eng.kuniv.edu Problems: Write short note on RS 232 standard. What is the advantage and disadvantage of serial communication? Define the terms simplex, half duplex and full duplex communication How synchronous and asynchronous data transfer schemes differ? 5. 1. 2. 3. 4. Define the term frame. Why level converters are used between RS 232 interface and a microcontroller? Define the term baud rate. 6. 7. 8. Discuss the role of SCON register in the serial communication. 9. How SBUF
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