Fill in the blank part. Use $8$ bit in binary number. $2\text{'}$s complement. $($Show the steps.$)$

a$.(10{)}_{10}=1$

${?}_2=1,16=18$

b$.,{?}_{10}=1$

$I_2=(1A{)}_{16}=1,I_8$

c$.(-23{)}_{10}=(,{)}_2=1,$

d$.,{?}_{10}=(10110101,{)}_2=,{?}_{16}=,{?}_8$

Do the $2\text{'}$s complement addition in $6$bits for the following questions. $($Show the steps.$)$

a$.(111101)+011111=$

Is it overflow?

b$.(101101)+011001=$

Is it overflow?

c$.(011101)+011110=$

Is it overflow?

d$.(100001)+011100=$

Is it overflow?

Do the $2\text{'}$s complement subtraction in $6$bits for the following questions. $($Show the steps.$)$

e$.(111101)-011111=$ Is it overflow?

f$.(101101)-011001=$ Is it overflow?

g$.(111101)-111110=$ Is it overflow?

h$.(100001)-011100=$ Is it overflow?