Question is ⇒ Which one of the following is used as the interface chip for data transmission between 8086 and a 16-bit ADC?, Options are ⇒ (A) 8259, (B) 8255, (C) 8253, (D) 8251, (E) , Leave your comments or Download question paper.

Question is ⇒ Which one of the following is used as the interface chip for data transmission between 8086 and a 16-bit ADC?, Options are ⇒ (A) 8259, (B) 8255, (C) 8253, (D) 8251, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Which one of the following is used as the interface chip for data transmission between 8086 and a 16-bit ADC?
A.	8259 [Wrong Answer]
B.	8255 [Correct Answer]
C.	8253 [Wrong Answer]
D.	8251 [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒

Assertion (A): A 4 input variable logic circuit can be implemented using a 8 : 1 multiplexer.

Reason (R): When a multiplexer is used as a logic function generator, the logic design is simple.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true

⇒ Dual slope ADC uses an op amp comparator.
TRUE
FALSE

⇒ A narrow band noise show
AM only
AM and FM
FM
PCM

⇒ In a colour TV receiver, which of the following incorporates colour saturation control?
Chroma detector
Colour killer circuit
SAW filter
Chroma amplifier

⇒ A function Z(s) has zero at infinity if
the degree of numerator and denominator are equal
the numerator of Z(s) is one degree higher than denominator
the denominator of Z(s) is one degree higher than numerator
the degree of numerator and denominator are either equal or differ by one

⇒ An SCR is triggered at 40° in the positive half cycle only. The average anode current is 50 A. If the firing angle is changed to 80°, the average anode current is likely to be
50 A
25 A
less than 50 A but more than 25 A
less than 25 A

⇒ Which of the following frequencies has the greatest period?
20 Hz
200 Hz
20 kHz
200 kHz

⇒ As the temperature of semiconductor is increased
the average number of free charge carriers decreases
the average number of free charge carriers increases
the average number of free charge carriers remains the same
the average number of free charge carriers may increase or decrease

⇒ To prevent a DC return between source and load, it is necessary to use
resistor between source and load
inductor between source and load
capacitor between source and load
either (a) or (b)

⇒

Match the following:

	List I		List II
A.	Television	1.	Either AM or FM used
B.	Radio	2.	Both AM and FM are used
C.	Radar	3.	PCM is used
D.	Data Communication	4.	Digital system

A-4, B-3, C-1, D-2
A-2, B-1, C-3, D-4
A-4, B-1, C-3, D-2
A-2, B-3, C-1, D-4

⇒ Assuming accumulator contain A 64 and the carry is set (1). What will register A and (CY) contain after ADI A4H?
4 AH, 0
4 AH, 1
4 BH, 0
4 BH, 1

⇒ In a radio receiver with simple AGC
the highest AGC voltage is produced between stations
an increase in signal strength produces more AGC
the audio stage gain is normally controlled by AGC
the faster the time constant of AGC, more accurate the output

⇒ In a BJT circuit a pnp transistor is replaced by npn transistor. To analyse the new circuit
all calculations done earlier have to be repeated
replace all calculated voltages by reverse values
replace all calculated currents by reverse values
replace all calculated voltages and currents by reverse values

⇒ The current through a resistance R is shown in figure. The computed value of power
400 ± 0.42 W
400 ± 4.6 W
400 ± 8.85 W
400 ± 10.65 W

⇒ The design of wave filter is based on characteristic impedance which is
pure resistance
pure reactance
pure resistance in pass band and pure reactance in attenuation band
pure reactance in pass band and pure resistance in attenuation band

⇒ For what positive value of K does the polynomial s⁴ + 8s³ + 24s² + 32s + K have roots with zero real parts?
10
20
40
80

⇒ The current I_CBO flows in
base and emitter leads
base and collector leads
collector and emitter leads
collector, emitter and base leads

⇒ The current flowing in a certain P-N junction at room temperature is 2 x 10^-7 Amp. When a large reverse biased voltage is applied. Calculate the current flowing when 0.1 volts is applied.
9 μA
10 μA
2 μA
4 μA

⇒ If f(t) = 1, F(jω) = 2p δ(ω).
TRUE
FALSE

⇒ If P = 250 W and p.f. = 0.707 lagging, Q =
250 vars
- 250 vars
176.7 vars
- 176.75 vars

⇒ In the circuit of figure. The current supplied by battery at t = &infin
0
0.208333333333333
less than 5 A
very large

⇒ 268₁₀ = __________ .
10A₁₆
10B₁₆
10C₁₆
10D₁₆

⇒ VSB modulation is preferred in TV because
it reduces the bandwidth requirement to half
it avoids phase distortion at low frequencies
it results in better reception
none of the above

⇒ Read the following statements as regards register pairs in microprocessor 8085

B represents B, C pair with B as high order register and C as low order register.
D represents D, E pair with D as high order register and E as low order register.
H represents H, L pair with H as high order register and L as low order register.

Which of the above statements are correct?
All
1 and 3
1 and 2
2 and 3 only

⇒ By placing an inverter between both inputs of an S-R flip-flop, the resulting flip-flop becomes
J-K flip-flop
D-flip-flop
T-flip-flop
Master salve JK flip-flop

⇒ Common emitter transistor has
high current and high voltage gain
low current gain and low voltage gain
high current gain and low voltage gain
low current and voltage gain

⇒ 25 persons are in a room. 15 of them play hockey, 17 of them play football and 10 of them play both hockey and football. Then the number of persons playing neither hockey nor football is:
2
17
13
3

⇒ The multiplication time for 10-bit numbers with 1 MHz clock will be
32 μ sec
20 μ sec
21 μ sec
22 μ sec

⇒ In microwave communication links the fading due to rain occurs. The methods to solve this problem include
antenna replacement and feed correction
amplitude trimming and phase correction
polarization shifting and code diversity
path diversity and frequency diversity

⇒ In the above case the modulation index will be
9.6
28.8
57.6
100