An American Standard Code for Information Interchange $($ASCII$)$ file defines up to characters.

a$.64$

b$.128$

c$.256$

d$.1024$

$0=$ Icon Key

$($a$)$

$21$

m

I$)$

citv

$N$

a

$4$

MacBook Pro

hat$(6)$

$**$

$8$

$($

E

$R$

Search or type URL

$D$

$-{?}^F$

$1$