8253 has (a) 6 modes of operation (b) 5 modes of operation (c) 4 modes of operation (d) 3 modes of operation 8279 displays can operate in (a) 8–8 bit character display-left entry only (b) 16–6 bit...

8253 has

(a) 6 modes of operation (b) 5 modes of operation

(c) 4 modes of operation (d) 3 modes of operation

8279 displays can operate in

(a) 8–8 bit character display-left entry only

(b) 16–6 bit character display-left entry only

(c) 8–8 bit character display-right entry only

(d) 8–8 bit character display-left and right entry and 16–16 bit character display-left and right

entry