Multiple Choice
Transmission through telephone lines is an example of….serial commuincation
A) Simplex
B) Half duplex
C) Full Duplex
D) none of these
Correct Answer:
Verified
Correct Answer:
Verified
Q8: ADC 0808 operates on single ---- power
Q9: A high on ---line indicates that the
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
Q14: Asynchronous serial communication involves<br>A)start bit<br>B)stop bits<br>C)character data<br>D)all
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