Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
Consider the following statements about 8085
| |
A. | 1 and 3 only [Correct Answer] |
B. | 3 and 4 only [Wrong Answer] |
C. | 1 and 2 only [Wrong Answer] |
D. | 2 only [Wrong Answer] |
View Answer
Explanation:-
Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ For the circuit of the following figure, with an ideal op-amp, the maximum phase shift of the output with reference to the input
0°
90°
-90°
± 180°
⇒ A dipole antenna of λ/8 length has an equivalent total loss resistance of 1.5 Ω. The efficiency of the antenna is
0.0089159
0.089159
0.89159
8.9159
⇒ What is meant by "continuous collector current" in BJT?
Maximum collector current
Current at Quiescent condition
Leakage current
Junction Capacitance charging and discharging current
⇒ A-P type material has an acceptor ion concentration of 1 x 10^{16} per cm^{3}. Its intrinsic carrier concentration is 1.48 x 10^{10}/ cm. The hole and electron mobilities are 0.05m^{2}/V-sec and 0.13 m^{2}/V-sec respectively calculate the resistivity of the material
12.5 Ω-cm
1.25 Ω-cm
0.125 Ω-cm
125 Ω-cm
⇒ Consider the following statements: The radar pulse must be flat topped to
1, 2, 3, 4
1, 2, 3
1, 2
1, 3, 4
⇒ Figure represen
LED
Varistor
SCR
Diac
⇒ A TE_{10} rectangular waveguide is to be designed for operation over 25-35 GHz and the band centre is 1.5 times the cutoff frequency. The dimension of broadside is
15 mm
10 mm
9 mm
7.5 mm
⇒ Two CE stages, 1 and 2 are coupled through a capacitor. V_{CC} is the same for both. Base resistances R_{B1} and R_{B2} are such that R_{B1} > R_{B2}. Then
base currents for both stages are equal
base current of stage 1 is more than that of stage 2
base current of stage 2 is more than that of stage 1
either (b) or (c)
⇒ When a thyristor is conducting, the voltage drop across it
is absolutely constant
decreases with increase in load current
increases slightly with increase in load current
none of the above
⇒ Which of the following antennas is circularly polarized?
Yagi-Uda
Parabolic reflector
Small circular loop
Helical
⇒ Which one of the following is true?
Alternating voltage and current contain odd and even harmonics
The inductance in a circuit reduces the effect of harmonics and makes current wave more sinusoidal than voltage wave
Alternating voltage and current waveforms, in general, do not contain odd harmonics
Inductance of a circuit does not alter wave shape at all
⇒ Three analog signals, having bandwidths 1200 Hz, 600 Hz, 600 Hz are sampled at their Nyquist rates, encoded with 12 bit words, and time division multiplexed. The bit rate for the multiplexed signal is
115.2 kbps
28.8 kbps
57.6 kbps
38.4 kbps
⇒ In a class C operation V_{CC} = 40 V, R_{L} = 50 Ω. The maximum load power can be
64 W
32 W
16 W
8 W
⇒ Microprocessors were introduced in the year
1951
1961
1971
1981
⇒ Which of the following statement regarding waveguides is incorrect?
At waveguide can be coupled to a coaxial cable
At frequencies below the cut off value the wave progresses across the waveguide after total reflections
Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves
Waveguides can handle large power at UHF and microwaves
⇒ Karnaugh map can not be drawn when the number of variables is more than 4
TRUE
FALSE
⇒ The type of noise that interfere very much with high frequency transmission is
white
transit time
flicker
shot
⇒ Which of the following is not correct?
P(A) = P(A) - 1
0 ≤ P ≤ 1
If A and B are mitual exclusive then P(A + B) = P(A) + P(B)
P(A) = 1 - P(A)
⇒ An induction wattmeter can be used for ac only.
TRUE
FALSE
⇒ In a 4 bit ripple counter using flip flops with t_{pd} = 40 ns, the maximum frequency can be
1.25 MHz
3.25 MHz
6.25 MHz
12.5 MHz
⇒ The graph of a network has 6 branches with 3 tree branches. The minimum number of equations required for solution of network is
2
3
4
5
⇒
A-3, B-1, C-2, D-4
A-4, B-3, C-2, D-1
A-3, B-4, C-1, D-2
A-3, B-4, C-2, D-1
⇒
A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-3, B-4, C-1, D-2
A-3, B-1, C-4, D-2
⇒
Both A and R are correct and R is correct explanation of A
Both A and R correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
⇒ Which of the following devices exhibit negative resistance characteristics?
UJT
PUT
Both UJT and PUT
UJT, PUT and SBS
⇒ At resonance the network function magnitude will be
k/a
k/b
c
k/a + b
⇒ The resistance of a superconductor is
low
very low
very very low
zero
⇒ A DIAC has two terminals, anode and cathode.
TRUE
FALSE
⇒ BCD equivalent of - 8_{10} is
110
10110
11000
1000
⇒ The ripple factor of a full wave rectifier is about 0.5.
TRUE
FALSE
⇒ For the circuit of the following figure, with an ideal op-amp, the maximum phase shift of the output with reference to the input
0°
90°
-90°
± 180°
⇒ A dipole antenna of λ/8 length has an equivalent total loss resistance of 1.5 Ω. The efficiency of the antenna is
0.0089159
0.089159
0.89159
8.9159
⇒ What is meant by "continuous collector current" in BJT?
Maximum collector current
Current at Quiescent condition
Leakage current
Junction Capacitance charging and discharging current
⇒ A-P type material has an acceptor ion concentration of 1 x 10^{16} per cm^{3}. Its intrinsic carrier concentration is 1.48 x 10^{10}/ cm. The hole and electron mobilities are 0.05m^{2}/V-sec and 0.13 m^{2}/V-sec respectively calculate the resistivity of the material
12.5 Ω-cm
1.25 Ω-cm
0.125 Ω-cm
125 Ω-cm
⇒ Consider the following statements: The radar pulse must be flat topped to
- allow accurate range measurement
- allow good minimum range
- prevent frequency changes in magnetron
- make the returned echoes easier to distinguish from noise.
1, 2, 3, 4
1, 2, 3
1, 2
1, 3, 4
⇒ Figure represen
LED
Varistor
SCR
Diac
⇒ A TE_{10} rectangular waveguide is to be designed for operation over 25-35 GHz and the band centre is 1.5 times the cutoff frequency. The dimension of broadside is
15 mm
10 mm
9 mm
7.5 mm
⇒ Two CE stages, 1 and 2 are coupled through a capacitor. V_{CC} is the same for both. Base resistances R_{B1} and R_{B2} are such that R_{B1} > R_{B2}. Then
base currents for both stages are equal
base current of stage 1 is more than that of stage 2
base current of stage 2 is more than that of stage 1
either (b) or (c)
⇒ When a thyristor is conducting, the voltage drop across it
is absolutely constant
decreases with increase in load current
increases slightly with increase in load current
none of the above
⇒ Which of the following antennas is circularly polarized?
Yagi-Uda
Parabolic reflector
Small circular loop
Helical
⇒ Which one of the following is true?
Alternating voltage and current contain odd and even harmonics
The inductance in a circuit reduces the effect of harmonics and makes current wave more sinusoidal than voltage wave
Alternating voltage and current waveforms, in general, do not contain odd harmonics
Inductance of a circuit does not alter wave shape at all
⇒ Three analog signals, having bandwidths 1200 Hz, 600 Hz, 600 Hz are sampled at their Nyquist rates, encoded with 12 bit words, and time division multiplexed. The bit rate for the multiplexed signal is
115.2 kbps
28.8 kbps
57.6 kbps
38.4 kbps
⇒ In a class C operation V_{CC} = 40 V, R_{L} = 50 Ω. The maximum load power can be
64 W
32 W
16 W
8 W
⇒ Microprocessors were introduced in the year
1951
1961
1971
1981
⇒ Which of the following statement regarding waveguides is incorrect?
At waveguide can be coupled to a coaxial cable
At frequencies below the cut off value the wave progresses across the waveguide after total reflections
Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves
Waveguides can handle large power at UHF and microwaves
⇒ Karnaugh map can not be drawn when the number of variables is more than 4
TRUE
FALSE
⇒ The type of noise that interfere very much with high frequency transmission is
white
transit time
flicker
shot
⇒ Which of the following is not correct?
P(A) = P(A) - 1
0 ≤ P ≤ 1
If A and B are mitual exclusive then P(A + B) = P(A) + P(B)
P(A) = 1 - P(A)
⇒ An induction wattmeter can be used for ac only.
TRUE
FALSE
⇒ In a 4 bit ripple counter using flip flops with t_{pd} = 40 ns, the maximum frequency can be
1.25 MHz
3.25 MHz
6.25 MHz
12.5 MHz
⇒ The graph of a network has 6 branches with 3 tree branches. The minimum number of equations required for solution of network is
2
3
4
5
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | Servomotor | 1. | Error detector |
B. | Amplidyne | 2. | Transducer |
C. | Potentiometer | 3. | Actuator |
D. | Flapper valve | 4. | Power amplifier |
A-3, B-1, C-2, D-4
A-4, B-3, C-2, D-1
A-3, B-4, C-1, D-2
A-3, B-4, C-2, D-1
⇒
Match the following:
List I (Microwave device) | List II (Application) | ||
---|---|---|---|
A. | Reflex Klystron | 1. | Wideband amplification |
B. | TWT | 2. | Very low power amplification |
C. | Cavity Klystron | 3. | Low power FM generation |
D. | Maser | 4. | Frequency multiplication |
A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-3, B-4, C-1, D-2
A-3, B-1, C-4, D-2
⇒
Assertion (A): When an SCR is conducting, the voltage drop across is about 1 V.
Reason (R): When an SCR is conducting, the junction temperature is about 200°C.
Both A and R are correct and R is correct explanation of A
Both A and R correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
⇒ Which of the following devices exhibit negative resistance characteristics?
UJT
PUT
Both UJT and PUT
UJT, PUT and SBS
⇒ At resonance the network function magnitude will be
k/a
k/b
c
k/a + b
⇒ The resistance of a superconductor is
low
very low
very very low
zero
⇒ A DIAC has two terminals, anode and cathode.
TRUE
FALSE
⇒ BCD equivalent of - 8_{10} is
110
10110
11000
1000
⇒ The ripple factor of a full wave rectifier is about 0.5.
TRUE
FALSE