Q$1)$

A$)$Find checksum for below and validate the checksum:

$1)0$x$31,0$x$29,0$x$17$

$2)0$x$20,0$x$17,0$x$18,0$x$15$

$3)0$x$11,0$x$23,0$x$25,0$x$0$F

$4)0$x$77,0$x$27,0$x$12,0$x$31$

B$)$Write a program to read the EEPROM value from $0$x$0000$ to $0$X$0050$ every time the push button at PB$5$ is pressed and send the result to PORTD.