$1.$ Briefly explain the difference between Serial and Parallel communication.

$(2)$

$2.$ Serial communication uses two methods. Name and give a description of each.

$(2)$

$3.$ When configuring an AVR for asynchronous serial communication, what is typically the first step?

$(1)$

$4.$ What is the function of the RXC flag in the UCSRA register?

$(1)$

$5.$ Assuming we are transmitting the ASCII letter $\text{'}$e$\text{'},$ with no parity bit and one stop bit, show the sequence of bits transferred. The LSB is sent first.

$(2)$

$6.$ What is the purpose of the UDRIE bit in the UCSRB register?

$(1)$

$7.$ In AVR serial communication, which register is used to hold the data to be transmitted or received?

$(1)$

$8.$ Which register is used to set the baud rate in AVR microcontrollers?

$(2)$

$9.$ Name two communication protocols used in Serial Communication.

$(2)$

$10.$ For a crystal frequency of $16$MHz$,$ what value should be loaded into