Multiple Choice
in ----, bidirectional data transfer is possible
A) mode 0
B) mode1
C) mode2
D) BSR
Correct Answer:
Verified
Correct Answer:
Verified
Q15: 8255 has three ----parrallel port<br>A)8bit<br>B)16bit<br>C)32bit<br>D)64bit
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
Q21: 8253/54 timers can be programmed in---modes<br>A)1<br>B)3<br>C)6<br>D)5
Q22: walkie-talkie is an example of …..serial communication<br>A)Simplex<br>B)Half
Q23: in mode 0 of 8253/54 ----disables counting<br>A)gate=1<br>B)gate=0<br>C)wr#=1<br>D)wr#=0
Q25: 8255 has ----i/o modes<br>A)2<br>B)3<br>C)4<br>D)8