Perform the indicated operation:

a$)1100110112$ b$)1011101112$

$+10111012-0100000002$

$2)$ Perform the indicated operation:

a$)7216$ b$)6$A$16$ C$)$ D$516$

$+4816+2116-5$A$16$

$3)$ Using a $2$s complement system perform the following

a$)100110112$ b$)1100112$ c$)01000002$

$-10111112-11012-10012$

$4)$ Using a $2$s complement system perform the following

a$)100110112$ b$)1100112$ c$)01000002$

$+10111112+11012+10012$

$5)$ Using a $2$s complement system perform the following

a$)7616$ b$)5416$

$-4516-8616$