1) Write down the voltage levels that are used for binary 0 in RS232.
2) What do you understand by quasi – bidirectional port?
3) Write down the different distinct physical address spaces.
4) Write down the two possibilities when the ports are read.
5) Write down the difference and similarities bertween CISC and RISC.
6) What do you mean by register file and mention its components?
7) Describe in detail UART and USART.
8) What do you understand by peripheral interfacing?
9) Write down the advantages of distributed embedded system.