Multiple Choice
8255 has three ----parallel ports
A) 8 bit
B) 16 bit
C) 32 bit
D) 64 bit
Correct Answer:

Verified
Correct Answer:
Verified
Q5: 8253/54 has ----independent timers/counters<br>A)1<br>B)2<br>C)3<br>D)4
Q6: for mode 3 of 8253/54, if the
Q7: EOC means<br>A)End of Conversion<br>B)Enable output conversion<br>C)error of
Q8: ADC 0808 operates on single ---- power
Q9: A high on ---line indicates that the
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
Q15: 8255 has three ----parrallel port<br>A)8bit<br>B)16bit<br>C)32bit<br>D)64bit