A high on ----pin causes all 24 lines of three 8 bit ports to be in the input mode

Related MCQs

• on activation of ----, 8255 loads data from the input port lines into the input buffer of that port
• On activation of --------,8255 loads data from the input port lines into the input buffer of that port
• 8255 has three ----parallel ports
• The 16 bit register is separated into groups of 4 bit where each groups is called:
• For i/o mode of 8255 ,if -----, the word is taken as a bit set/reset word
• For i/o mode of 8255,if -----,the word is taken as a mode definition word
• to configure 8255 with port A output,Port B input port C lower output and port C upper input
• for mode 3 of 8253/54, if the count is odd the output will be high for---
• ADC 0808 is ----- pin IC
• ADC 0809 IS A ----- PIN IC