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Assertion (A): In 8085 SP and PC are 8 bit each. Reason (R): 8085 is an 8 bit microprocessor. | |
A. | Both A and R are correct and R is correct explanation of A [Wrong Answer] |
B. | Both A and R are correct but R is not correct explanation of A [Wrong Answer] |
C. | A is correct R is wrong [Wrong Answer] |
D. | A is wrong R is correct [Correct Answer] |
View Answer
Explanation:-
Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ The number of channels in a stereophonic system is
8
4
2
1
⇒ In the circuit shown in the figure, the current supplied by the sinusoidal current source
28 A
0.166666666666667
20 A
not determinable from the data given
⇒ A rectangular waveguide having TE_{10} mode as dominant mode is having a cut off frequency of 18 GHz for the TE_{30} mode. The inner broad wall dimension of the rectangular waveguide is
5/3 cm
5 cm
5/2 cm
10 cm
⇒ The signal define by the equations u(t - a) = 0 for t < a and u(t - a) = 1 for t ≥ a is
a unit step function
a shifted unit step function orginating at t = a
a pulse function
none of the above
⇒ Poynting vector signifies which of the following?
Power density vector producing electrostatic field
Power density vector producing electromagnetic field
Current density vector producing electrostatic field
Current density vector producing electromagnetic field
⇒ The RC network of wein bridge oscillator consists of resistors and capacitors of values R = 220 kΩ and C = 250 PF Determine the frequency of oscillation
2.98 kHz
3 kHz
2 kHz
10 kHz
⇒ Which dc servomotor requires strongest permanent magnet?
Slotted armature
Surface wound armature
Surface wound with stationary rotor
Either (a) or (b)
⇒ The forbidden band in semiconductors is of the order of
6 eV
1 eV
10 eV
0.01 eV
⇒ A feedback network to be used with an amplifier to provide oscillation is tested and found to give an output of 0.124 V with a 0.5 V input. What must be the minimum gain of the oscillator to provide oscillations?
40
60
100
130
⇒ Which of the following is correct (FDM means Frequency Division Multiplexing and TDM means Time Division Multiplexing)?
FDM requires lower bandwidth but TDM has more noise immunity
FDM has more noise immunity and requires lower bandwidth than TDM
FDM requires channel synchronization while TDM has more noise immunity
FDM requires more multiplexing while TDM requires band pass filter
⇒ For a two- port reciprocal network, the output open circuit voltage divided by the input current is equal to
B
Z_{12}
1/y_{12}
h_{12}
⇒ If the potential functions V_{1} and V_{2} satisfy Laplace's equation within a closed region and assume the same values on its surface, then which of the following is correct?
V_{1} and V_{2} are identical
V_{1} is inversely proportional to V_{2}
V_{1} has the same direction as V_{2}
V_{1} has the same magnitude as V_{2} but has different direction
⇒ The resistance of a 230 V, 100 W lamp is
529 Ω
2300 Ω
5290 Ω
23 Ω
⇒ For a series R-L-C circuit tuned at resonant frequency which of the following statements is correct?
The voltage across inductance is greater than applied voltage
The voltage across capacitance is greater than applied voltage
The voltage across both inductance and capacitance is greater than applied voltage
The voltage across both inductance and capacitance is less than applied voltage
⇒ In a decimal digital computer, the number 127 is stored
1111111
0001 00100111
10001
11000111
⇒ If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48 dB and 2 dB respectively, then its common mode rejection ratio is
23 dB
25 dB
46 dB
50 dB
⇒ The polarization of dielectric materials results in
production of eddy currents
creation of electric dipoles
absorption of electrons
release of high velocity protons
⇒ Which of the following is not a non-linear element?
Transistor
Heater coil
Diode
Electric arc with unlike electrodes
⇒ Consider the following statements.
2, 4, 3, 1
2, 4, 1, 3
4, 2, 1, 3
3, 2, 3, 1
⇒ If other parameter are constant, transmission loss at 5 GHz as compared to that at 0.5 GHz is
20 dB more
20 dB less
700 dB more
100 dB less
⇒ An ammeter is
secondary instrument
absolute instrument
recording instrument
integrating instrument
⇒ A system is highly oscillatory if
gain margin is high
gain margin is close to 1
gain margin is close to 1 or phase margin is zero
gain margin is high and phase margin is 180°
⇒ While calibrating an ammeter by a dc potentiometer it is necessary to use a standard resistance.
TRUE
FALSE
⇒
A-1, B-2, C-4, D-3
A-4, B-1, C-2, D-3
A-2, B-3, C-1, D-4
A-3, B-4, C-2, D-1
⇒ Maxwell's curl equation for the static electric field E can be expressed as
Δ x E = 0
Δ x E = constant
Δ - E = constant
Δ . E = 0
⇒ Two infinitely long wires carrying current are as shown in the figure below. One wire is in the y-z plane and parallel to the y-axis. The other wise is in the x-y plane and parallel to the x-axis. Which components of the resulting magnetic field are non-zero at the ori
x, y, z components
x, y components
y, z components
x, z components
⇒ Consider the following, logic diagr
0000 to 1111
0000 to 1001
0000 to 1010
1001 to 0000
⇒ The temperature coefficient of resistivity of semiconductors is
positive
negative
may be positive or negative
very low
⇒ A low ratio of the A.C. load impedance of a diode detector results in
diagonal clipping
poor AGC operation
poor AF response
negative peak clipping
⇒ The numerical value of directive gain may lie between
1 and + 1
0 and 1
0 and ∞
1 and ∞
⇒ The number of channels in a stereophonic system is
8
4
2
1
⇒ In the circuit shown in the figure, the current supplied by the sinusoidal current source
28 A
0.166666666666667
20 A
not determinable from the data given
⇒ A rectangular waveguide having TE_{10} mode as dominant mode is having a cut off frequency of 18 GHz for the TE_{30} mode. The inner broad wall dimension of the rectangular waveguide is
5/3 cm
5 cm
5/2 cm
10 cm
⇒ The signal define by the equations u(t - a) = 0 for t < a and u(t - a) = 1 for t ≥ a is
a unit step function
a shifted unit step function orginating at t = a
a pulse function
none of the above
⇒ Poynting vector signifies which of the following?
Power density vector producing electrostatic field
Power density vector producing electromagnetic field
Current density vector producing electrostatic field
Current density vector producing electromagnetic field
⇒ The RC network of wein bridge oscillator consists of resistors and capacitors of values R = 220 kΩ and C = 250 PF Determine the frequency of oscillation
2.98 kHz
3 kHz
2 kHz
10 kHz
⇒ Which dc servomotor requires strongest permanent magnet?
Slotted armature
Surface wound armature
Surface wound with stationary rotor
Either (a) or (b)
⇒ The forbidden band in semiconductors is of the order of
6 eV
1 eV
10 eV
0.01 eV
⇒ A feedback network to be used with an amplifier to provide oscillation is tested and found to give an output of 0.124 V with a 0.5 V input. What must be the minimum gain of the oscillator to provide oscillations?
40
60
100
130
⇒ Which of the following is correct (FDM means Frequency Division Multiplexing and TDM means Time Division Multiplexing)?
FDM requires lower bandwidth but TDM has more noise immunity
FDM has more noise immunity and requires lower bandwidth than TDM
FDM requires channel synchronization while TDM has more noise immunity
FDM requires more multiplexing while TDM requires band pass filter
⇒ For a two- port reciprocal network, the output open circuit voltage divided by the input current is equal to
B
Z_{12}
1/y_{12}
h_{12}
⇒ If the potential functions V_{1} and V_{2} satisfy Laplace's equation within a closed region and assume the same values on its surface, then which of the following is correct?
V_{1} and V_{2} are identical
V_{1} is inversely proportional to V_{2}
V_{1} has the same direction as V_{2}
V_{1} has the same magnitude as V_{2} but has different direction
⇒ The resistance of a 230 V, 100 W lamp is
529 Ω
2300 Ω
5290 Ω
23 Ω
⇒ For a series R-L-C circuit tuned at resonant frequency which of the following statements is correct?
The voltage across inductance is greater than applied voltage
The voltage across capacitance is greater than applied voltage
The voltage across both inductance and capacitance is greater than applied voltage
The voltage across both inductance and capacitance is less than applied voltage
⇒ In a decimal digital computer, the number 127 is stored
1111111
0001 00100111
10001
11000111
⇒ If the differential voltage gain and the common mode voltage gain of a differential amplifier are 48 dB and 2 dB respectively, then its common mode rejection ratio is
23 dB
25 dB
46 dB
50 dB
⇒ The polarization of dielectric materials results in
production of eddy currents
creation of electric dipoles
absorption of electrons
release of high velocity protons
⇒ Which of the following is not a non-linear element?
Transistor
Heater coil
Diode
Electric arc with unlike electrodes
⇒ Consider the following statements.
- Etching
- Exposure to UV radiation
- Stripping
- Developing
2, 4, 3, 1
2, 4, 1, 3
4, 2, 1, 3
3, 2, 3, 1
⇒ If other parameter are constant, transmission loss at 5 GHz as compared to that at 0.5 GHz is
20 dB more
20 dB less
700 dB more
100 dB less
⇒ An ammeter is
secondary instrument
absolute instrument
recording instrument
integrating instrument
⇒ A system is highly oscillatory if
gain margin is high
gain margin is close to 1
gain margin is close to 1 or phase margin is zero
gain margin is high and phase margin is 180°
⇒ While calibrating an ammeter by a dc potentiometer it is necessary to use a standard resistance.
TRUE
FALSE
⇒
Match the following:
List I (Microwave device) | List II (Application) | ||
---|---|---|---|
A. | PIN diode | 1. | Microwave amplification |
B. | GaAs MOSFET | 2. | Low noise microwave generation |
C. | Transferred electron device | 3. | Electronic tuning of MW oscillator |
D. | Varactor diode | 4. | Light wave detection |
A-1, B-2, C-4, D-3
A-4, B-1, C-2, D-3
A-2, B-3, C-1, D-4
A-3, B-4, C-2, D-1
⇒ Maxwell's curl equation for the static electric field E can be expressed as
Δ x E = 0
Δ x E = constant
Δ - E = constant
Δ . E = 0
⇒ Two infinitely long wires carrying current are as shown in the figure below. One wire is in the y-z plane and parallel to the y-axis. The other wise is in the x-y plane and parallel to the x-axis. Which components of the resulting magnetic field are non-zero at the ori
x, y, z components
x, y components
y, z components
x, z components
⇒ Consider the following, logic diagr
0000 to 1111
0000 to 1001
0000 to 1010
1001 to 0000
⇒ The temperature coefficient of resistivity of semiconductors is
positive
negative
may be positive or negative
very low
⇒ A low ratio of the A.C. load impedance of a diode detector results in
diagonal clipping
poor AGC operation
poor AF response
negative peak clipping
⇒ The numerical value of directive gain may lie between
1 and + 1
0 and 1
0 and ∞
1 and ∞