8255 has three ----parallel ports

Related MCQs

• 8255 has three ----parrallel port
• A high on ----pin causes all 24 lines of three 8 bit ports to be in the input mode
• 8255 has -------- i/o pins
• 8255 has ----i/o modes
• for i/o of 8255,if -----, the word is taken as a bit set/rest word
• on activation of ----, 8255 loads data from the input port lines into the input buffer of that port
• to configure 8255 with port A output,Port B input port C lower output and port C upper input
• In 8255 ,BSR means -----
• For i/o mode of 8255,if -----,the word is taken as a mode definition word
• For i/o mode of 8255 ,if -----, the word is taken as a bit set/reset word