$2\mathrm{.}23$ Suppose the program counter $(PC)$ is set to $020000000.$

$2\mathrm{.}23\mathrm{.}1[5]$$$2\mathrm{.}10>$ What range of addresses can be reached using the LEGv$8$

branch $($B$)$ instruction? $($In other words, what is the set of possible values for the PC

after the branch instruction executes?$).$

$2\mathrm{.}23\mathrm{.}2[5]$$$2\mathrm{.}10>$ What range of addresses can be reached using the LEGv$8$

conditional branch$-$on$-$equal $($CBZ$)$ instruction? $($In other words, what is the set of

possible values for the PC after the branch instruction executes?$)$