Multiple Choice
8255 has three ----parrallel port
A) 8bit
B) 16bit
C) 32bit
D) 64bit
Correct Answer:
Verified
Correct Answer:
Verified
Q10: 8255 has three ----parallel ports<br>A)8 bit<br>B)16 bit<br>C)32
Q11: Adc 0808 uses ----technique<br>A)Successive apraximation<br>B)single step<br>C)dual slope<br>D)flash
Q12: the signals provided by ADC are<br>A)SOC<br>B)EOC<br>C)ALE<br>D)all of
Q13: Transmission through telephone lines is an example
Q14: Asynchronous serial communication involves<br>A)start bit<br>B)stop bits<br>C)character data<br>D)all
Q16: Flash ADC consist of….converters<br>A)2^?<br>B)2^? -1<br>C)2^? +1<br>D)none of
Q17: 8253/54 has c----command that allows the user
Q18: In 8255 ,BSR means -----<br>A)bit set/reset<br>B)byteset/reset<br>C)binary set/reset<br>D)none
Q19: to configure 8255 with port A output,Port
Q20: for i/o of 8255,if -----, the word