Answer:
'Single Character'
Explanation:
A Character, commonly abbreviated as "char", is a computer symbol, letter, or number. A keyboard is an input device that inputs a character when a key is pressed.
192.168 suggests class C networks which have a 24 bit netmask (255.255.255.0) but you haven't provided enough info, like the netmask of a working machine, to be definite.
Unicode is a 16 bit system which can support 65636 different characters which is much more than the number of characters that ASCII code support.