State whether true or false: $($a$)$ coding involves reducing data into meaningful segments and assigning names to the segments; $($b$)$ coding is a linear and irreversible process wherein the foundational codes provide a substructure for the incremental addition of higher level codes.

a$.$

$($a$)$is true, but $($b$)$ is false

b$.$

Both $($a$)$ and $($b$)$ are true

c$.$

$($a$)$ is false, but $($b$)$ is true

d$.$

Both $($a$)$ and $($b$)$ are false