Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
Assertion (A): XOR gate is not universal gate. Reason (R): It is not possible to realize any Boolean function using XOR gates only. | |
A. | Both A and R are correct and R is correct explanation of A [Correct Answer] |
B. | Both A and R are correct but R is not correct explanation of A [Wrong Answer] |
C. | A is true, R is false [Wrong Answer] |
D. | A is false, R is true [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 :
⇒ Kelvin's double bridge is used to measure low resistances because
it has high sensitivity
there is no thermoelectric emf
resistance variation due to temperature
effect of contact and lead resistances is eliminated
⇒ An instruction used to set the carry flag in a computer can be classified as
data transfer
arithmetic
Logical
program control
⇒ A balun transformer gives an impedance transformation of
0.167361111111111
0.0840277777777778
0.0444444444444444
0.0430555555555556
⇒ When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon
the value of current
the weight of the conductor
the direction of the conductor
none of the above
⇒ In a colour TV receiver, which of the following incorporates colour saturation control?
Chroma detector
Colour killer circuit
SAW filter
Chroma amplifier
⇒ The standard deviation of a set of observations is the rms value of the deviation from the arithmetic mean.
TRUE
FALSE
⇒ The content of which of the following determines the state of the CPU at the end of the execute cycle (when the interrupt is recognized)?
1 and 2
2 and 3
1 and 3
1, 2 and 3
⇒ An end fire array consisting of several half-wave lengths of directive gain 40, then Find width of major lobe for broadside
6°
5.73
51.25
0°
⇒ A microwave link uses only line-of-sight propagation.
TRUE
FALSE
⇒ The input to a parity detector is 1001. The output is
0
1
0 or 1
indeterminate
⇒ Two coupled coils with self inductances of 4 mH and 16 mH are connected in series. The maximum possible value of inductance can be
36 mH
20 mH
28 mH
64 mH
⇒ The minority carrier life time and diffusion constant in a semiconductor material are respectively 100 microsecond and 100 cm^{2}/sec. The diffusion length is
0.1 cm
0.01 cm
0.0141 cm
1 cm
⇒ The Thevenin Resistance of the circui
94/7 kΩ
54/7 kΩ
7/54 kΩ
0
⇒ In a colour TV receiver the bandwidth of RF amplifier is
exactly equal to channel width
a little less than channel width
a little more than channel width
either (a) or (b)
⇒ To determine the polarity of voltage drop across a resistor, it is sufficient to know
direction of current through the resistor
direction and magnitude of current through the resistor
direction and magnitude of current and value of resistance
magnitude of current through the resistance
⇒ A difference amplifier using op-amp has closed loop gain = 50. If input is 2 V to each of inverting and non-inverting terminals, output is 5 mA. Then CMRR =
20000
2000
200
20
⇒ The transfer function G_{12} (s) for a two port is
V_{2}/V_{1}
V_{2} (s)/V_{1} (s)
V_{2} (s)/I_{1} (s)
I_{2} (s)/I_{1} (s)
⇒ A voltage V(t) which is a Gaussian ergodic random process with a mean of zero and a variance of 4 volt^{2} is measured by a true rms meter. The reading will be
0
4
2
16
⇒ In a half wave voltage doubler circuit the input frequency is 50 Hz. The ripple frequency is
25 Hz
50 Hz
100 Hz
150 Hz
⇒ Present day stereophonic systems have
only CD playback facility
only tape playback facility
both CD and tape playback facilities along with radio
none of the above
⇒ At half power frequencies the current in R-L-C series circuit is __________ times current at resonance
1/3
1/4
1/2
42737
⇒ De-emphasis circuit is used
to attenuate high frequencies
to attenuate low frequencies
to attenuate mid-band frequencies
None of the above
⇒ Examine the following truth table. The product of sum from this truth tabl
(X + Y) (X + Y)
(X + Y) (X + Y)
(X + Y) (X + Y)
(X + Y) (X + Y)
⇒ If a line is terminated in characteristic impedance Z_{0}, the input impedance measured at the input will be
Z_{0}
Z_{0}/2
Zero
infinite
⇒ A two port network is reciprocal if and only if
Z_{11} = Z_{22}
BC - AD = - 1
Y_{12} = Y_{21}
h_{12} = h_{21}
⇒ The commonly employed filter in SSB generation is
high pass filter
RC filter
LC filter
mechanical filter
⇒ In a single phase power factor meter the phase difference between currents in the two pressure coils is
exactly 0°
approximate 0°
exactly 90°
approximate 90°
⇒ Which of the following conditions must be satisfied for a transistor to remain under saturation?
1 and 2
1 and 3
2 and 3
1 and 4
⇒ At room temperature, the current in the, intrinsic semiconductor is due to
holes
electrons
ions
holes and electrons
⇒
Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct
⇒ Kelvin's double bridge is used to measure low resistances because
it has high sensitivity
there is no thermoelectric emf
resistance variation due to temperature
effect of contact and lead resistances is eliminated
⇒ An instruction used to set the carry flag in a computer can be classified as
data transfer
arithmetic
Logical
program control
⇒ A balun transformer gives an impedance transformation of
0.167361111111111
0.0840277777777778
0.0444444444444444
0.0430555555555556
⇒ When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon
the value of current
the weight of the conductor
the direction of the conductor
none of the above
⇒ In a colour TV receiver, which of the following incorporates colour saturation control?
Chroma detector
Colour killer circuit
SAW filter
Chroma amplifier
⇒ The standard deviation of a set of observations is the rms value of the deviation from the arithmetic mean.
TRUE
FALSE
⇒ The content of which of the following determines the state of the CPU at the end of the execute cycle (when the interrupt is recognized)?
- Program counter
- Processor register
- Certain status conditions
1 and 2
2 and 3
1 and 3
1, 2 and 3
⇒ An end fire array consisting of several half-wave lengths of directive gain 40, then Find width of major lobe for broadside
6°
5.73
51.25
0°
⇒ A microwave link uses only line-of-sight propagation.
TRUE
FALSE
⇒ The input to a parity detector is 1001. The output is
0
1
0 or 1
indeterminate
⇒ Two coupled coils with self inductances of 4 mH and 16 mH are connected in series. The maximum possible value of inductance can be
36 mH
20 mH
28 mH
64 mH
⇒ The minority carrier life time and diffusion constant in a semiconductor material are respectively 100 microsecond and 100 cm^{2}/sec. The diffusion length is
0.1 cm
0.01 cm
0.0141 cm
1 cm
⇒ The Thevenin Resistance of the circui
94/7 kΩ
54/7 kΩ
7/54 kΩ
0
⇒ In a colour TV receiver the bandwidth of RF amplifier is
exactly equal to channel width
a little less than channel width
a little more than channel width
either (a) or (b)
⇒ To determine the polarity of voltage drop across a resistor, it is sufficient to know
direction of current through the resistor
direction and magnitude of current through the resistor
direction and magnitude of current and value of resistance
magnitude of current through the resistance
⇒ A difference amplifier using op-amp has closed loop gain = 50. If input is 2 V to each of inverting and non-inverting terminals, output is 5 mA. Then CMRR =
20000
2000
200
20
⇒ The transfer function G_{12} (s) for a two port is
V_{2}/V_{1}
V_{2} (s)/V_{1} (s)
V_{2} (s)/I_{1} (s)
I_{2} (s)/I_{1} (s)
⇒ A voltage V(t) which is a Gaussian ergodic random process with a mean of zero and a variance of 4 volt^{2} is measured by a true rms meter. The reading will be
0
4
2
16
⇒ In a half wave voltage doubler circuit the input frequency is 50 Hz. The ripple frequency is
25 Hz
50 Hz
100 Hz
150 Hz
⇒ Present day stereophonic systems have
only CD playback facility
only tape playback facility
both CD and tape playback facilities along with radio
none of the above
⇒ At half power frequencies the current in R-L-C series circuit is __________ times current at resonance
1/3
1/4
1/2
42737
⇒ De-emphasis circuit is used
to attenuate high frequencies
to attenuate low frequencies
to attenuate mid-band frequencies
None of the above
⇒ Examine the following truth table. The product of sum from this truth tabl
(X + Y) (X + Y)
(X + Y) (X + Y)
(X + Y) (X + Y)
(X + Y) (X + Y)
⇒ If a line is terminated in characteristic impedance Z_{0}, the input impedance measured at the input will be
Z_{0}
Z_{0}/2
Zero
infinite
⇒ A two port network is reciprocal if and only if
Z_{11} = Z_{22}
BC - AD = - 1
Y_{12} = Y_{21}
h_{12} = h_{21}
⇒ The commonly employed filter in SSB generation is
high pass filter
RC filter
LC filter
mechanical filter
⇒ In a single phase power factor meter the phase difference between currents in the two pressure coils is
exactly 0°
approximate 0°
exactly 90°
approximate 90°
⇒ Which of the following conditions must be satisfied for a transistor to remain under saturation?
- Its collector to base junction should be under forward bias.
- Its collector to base junction should be under reverse bias.
- Its emitter to base junction should be under reverse bias.
- Its emitter to base junction should be under forward bias.
1 and 2
1 and 3
2 and 3
1 and 4
⇒ At room temperature, the current in the, intrinsic semiconductor is due to
holes
electrons
ions
holes and electrons
⇒
Assertion (A): A resistor is a passive load and a transistor is an active load
Reason (R): Op-amp is mostly used in feedback mode
Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct