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Assertion (A): The output of a NOR gate is equal to the complement of OR of input variables. Reason (R): A XOR gate is a universal gate. | |
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 true, R is false [Correct Answer] |
D. | A is false, R is true [Wrong Answer] |
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Explanation:-
Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ In the given figure power meters at A and B indicate 1 mW and 110 μW respectively. VSWR of lin
1.5
2
2.5
3
⇒ The frequency response of an ideal tuned amplifier should be as represented in figur
A
B
C
D
⇒ For a junction FET in the pinch off region as the drain voltage is increased, the drain current
becomes zero
abruptly decreases
abruptly increases
remains constant
⇒ The method of triggering SCS is
application of positive pulse at cathode gate or negative pulse at anode gate
application of pulse at anode gate
application of pulse at cathode gate
application of low voltage at anode
⇒ If a number of odd functions are added, the resultant sum is
even function
odd funtion
either even or odd function
mixture of odd amd even functions
⇒ In 8085 microprocessor, which of the following interrupts has the highest priority?
RST 5.5
RST 7.5
TRAP
INTR
⇒ E_{G} for silicon is 1.12 eV and that for germanium is 0.72 eV. Therefore, it can be concluded that
the conductivity of silicon will be less than that of germanium at room temperature
the conductivity of silicon will be more than that of germanium at room temperature
the conductivity of two will be same at 60°C
the conductivity of two will be same at 100°C
⇒ For the network shown below, determine f_{Hi} and f_{HO}, if, r_{0} = ∞, C_{be} = 36 Pf, C_{bc} = 4 Pf, C_{ce} = 1 Pf, C_{wo} = 8 Pf, C_{wi} = 6 Pf<
738.24 KHz, 8.6 MHz
781.2 KHz, 10.6 MHz
838.32 KHz, 9.2 MHz
938.24 KHz, 8.2 MHz
⇒ The best excited reflector from a wave guide is
horn
parabolic
biconical
corner
⇒ An op-amp integrating circuit uses
an inductor
a capacitor
both inductor and capacitor
none of the above
⇒ A transducer must have
good dynamic response
good sensitivity
good resolution
all of the above
⇒
A-4, B-2, C-3, D-1
A-2, B-4, C-1, D-3
A-2, B-4, C-3, D-1
A-4, B-2, C-1, D-3
⇒ Characteristic impedance of a coaxial cable is inversely proportional to ∈_{r}.
TRUE
FALSE
⇒ Phase modulation is commonly-used for data transmission mainly because
phase can be varied from + 180° to 180°
it is resistant to the effects of noise
demodulation is very easy
it gives highest data rates that can be transmitted over a given channel
⇒ A transistor with a = 0.9 and I_{CBO} = 10 μA is biased so that I_{BQ} = 90 μA. Then I_{CQ} will be
910 mA
5 mA
5.25 mA
4.95 mA
⇒ Consider the amplitude modulated (AM) signal A_{c} cos ω_{c}t + 2 cos ω_{m}t cos ω_{c}t For demodulating the signal using envelope detector, the minimum value of A_{c} should be
2
1
0.5
0
⇒ The following circuit resonate
0.5 Hz
5 Hz
1 rad/sec
0.5 rad/sec
⇒
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 correct but R is wrong
A is wrong but R is correct
⇒ A material has conductivity of 10^{-2} mho/m and a relative permittivity of 4. The frequency at which conduction current in the medium is equal to displacement current is
45 MHz
90 MHz
450 MHz
900 MHz
⇒ A circuit has two branches in parallel and each branch has only one element. The applied voltage and source current are v = 200 sin (200t + 30°) and i = 50 sin (200t + 50°). If one branch has capacitor, the other branch contains
resistance
inductance
capacitance
resistance or capacitance
⇒ The signal input to a given amplifier is made up of 100 mΩ signal power and 1 mΩ noise power. The amplifier contributes an additional 100 mΩ of noise and has a power gain of 20 dB. The output signal-to-noise ratio is
100
50
10
5
⇒ A 12-bit binary counter has the following state. The octal number represente
677
7163
7128
7183
⇒ The minterm designation for ABCD is
m_{8}
m_{10}
m_{14}
m_{15}
⇒ For the K map in the given figure, the simplified expressio
x_{l} x_{2} x_{4} + x_{2} x_{4} + x_{1} x_{3}
x_{2} x_{4} + x_{2} x_{4} + x_{1} x_{3}
x_{1} x_{2} x_{4} + x_{l} x_{2} + x_{3} x_{4} + x_{2}x_{4}
x_{1} x_{2} + x_{2} x_{3} + x_{3}x_{4}
⇒ The number of PM radio channels which can be accommodated in a spectrum of 300 MHz is about
10
100
500
1500
⇒ The minimum number of equations required to analyze the circuit shown in the figur
3
4
6
7
⇒ A line of characteristic impedance Z_{0} branches into two line each with characteristic impedance Z_{0}. The refracted voltage is
zero
infinite
equal to incident voltage
two third of incident voltage
⇒ In figure, I_{D} = 4 mA. Then V_{S20 V16 V6 V0.6 V}
⇒ The leakage current in CB configuration may be around
few micro amperes
few hundred micro amperes
few milliamperes
few hundred milliamperes
⇒ Public address systems generally use electret microphones.
TRUE
FALSE
⇒ In the given figure power meters at A and B indicate 1 mW and 110 μW respectively. VSWR of lin
1.5
2
2.5
3
⇒ The frequency response of an ideal tuned amplifier should be as represented in figur
A
B
C
D
⇒ For a junction FET in the pinch off region as the drain voltage is increased, the drain current
becomes zero
abruptly decreases
abruptly increases
remains constant
⇒ The method of triggering SCS is
application of positive pulse at cathode gate or negative pulse at anode gate
application of pulse at anode gate
application of pulse at cathode gate
application of low voltage at anode
⇒ If a number of odd functions are added, the resultant sum is
even function
odd funtion
either even or odd function
mixture of odd amd even functions
⇒ In 8085 microprocessor, which of the following interrupts has the highest priority?
RST 5.5
RST 7.5
TRAP
INTR
⇒ E_{G} for silicon is 1.12 eV and that for germanium is 0.72 eV. Therefore, it can be concluded that
the conductivity of silicon will be less than that of germanium at room temperature
the conductivity of silicon will be more than that of germanium at room temperature
the conductivity of two will be same at 60°C
the conductivity of two will be same at 100°C
⇒ For the network shown below, determine f_{Hi} and f_{HO}, if, r_{0} = ∞, C_{be} = 36 Pf, C_{bc} = 4 Pf, C_{ce} = 1 Pf, C_{wo} = 8 Pf, C_{wi} = 6 Pf<
738.24 KHz, 8.6 MHz
781.2 KHz, 10.6 MHz
838.32 KHz, 9.2 MHz
938.24 KHz, 8.2 MHz
⇒ The best excited reflector from a wave guide is
horn
parabolic
biconical
corner
⇒ An op-amp integrating circuit uses
an inductor
a capacitor
both inductor and capacitor
none of the above
⇒ A transducer must have
good dynamic response
good sensitivity
good resolution
all of the above
⇒
Match the following:
List I (Antenna) | List II (Communication system) | ||
---|---|---|---|
A. | Turnstile | 1. | Radar |
B. | Yagi | 2. | TV transmission |
C. | Dish | 3. | MW broadcasting |
D. | Vertical mast | 4. | TV reception |
A-4, B-2, C-3, D-1
A-2, B-4, C-1, D-3
A-2, B-4, C-3, D-1
A-4, B-2, C-1, D-3
⇒ Characteristic impedance of a coaxial cable is inversely proportional to ∈_{r}.
TRUE
FALSE
⇒ Phase modulation is commonly-used for data transmission mainly because
phase can be varied from + 180° to 180°
it is resistant to the effects of noise
demodulation is very easy
it gives highest data rates that can be transmitted over a given channel
⇒ A transistor with a = 0.9 and I_{CBO} = 10 μA is biased so that I_{BQ} = 90 μA. Then I_{CQ} will be
910 mA
5 mA
5.25 mA
4.95 mA
⇒ Consider the amplitude modulated (AM) signal A_{c} cos ω_{c}t + 2 cos ω_{m}t cos ω_{c}t For demodulating the signal using envelope detector, the minimum value of A_{c} should be
2
1
0.5
0
⇒ The following circuit resonate
0.5 Hz
5 Hz
1 rad/sec
0.5 rad/sec
⇒
Assertion (A): In the interaction region of magnetron an electron is subjected to three forces: force due to electric field, force due to magnetic field and centrifugal force.
Reason (R): The mechanism of generation of microwaves, in a magnetron, involves interaction of electromagnetic fields with electrons moving in static electric and magnetic fields oriented at right angles to each other.
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 correct but R is wrong
A is wrong but R is correct
⇒ A material has conductivity of 10^{-2} mho/m and a relative permittivity of 4. The frequency at which conduction current in the medium is equal to displacement current is
45 MHz
90 MHz
450 MHz
900 MHz
⇒ A circuit has two branches in parallel and each branch has only one element. The applied voltage and source current are v = 200 sin (200t + 30°) and i = 50 sin (200t + 50°). If one branch has capacitor, the other branch contains
resistance
inductance
capacitance
resistance or capacitance
⇒ The signal input to a given amplifier is made up of 100 mΩ signal power and 1 mΩ noise power. The amplifier contributes an additional 100 mΩ of noise and has a power gain of 20 dB. The output signal-to-noise ratio is
100
50
10
5
⇒ A 12-bit binary counter has the following state. The octal number represente
677
7163
7128
7183
⇒ The minterm designation for ABCD is
m_{8}
m_{10}
m_{14}
m_{15}
⇒ For the K map in the given figure, the simplified expressio
x_{l} x_{2} x_{4} + x_{2} x_{4} + x_{1} x_{3}
x_{2} x_{4} + x_{2} x_{4} + x_{1} x_{3}
x_{1} x_{2} x_{4} + x_{l} x_{2} + x_{3} x_{4} + x_{2}x_{4}
x_{1} x_{2} + x_{2} x_{3} + x_{3}x_{4}
⇒ The number of PM radio channels which can be accommodated in a spectrum of 300 MHz is about
10
100
500
1500
⇒ The minimum number of equations required to analyze the circuit shown in the figur
3
4
6
7
⇒ A line of characteristic impedance Z_{0} branches into two line each with characteristic impedance Z_{0}. The refracted voltage is
zero
infinite
equal to incident voltage
two third of incident voltage
⇒ In figure, I_{D} = 4 mA. Then V_{S20 V16 V6 V0.6 V}
⇒ The leakage current in CB configuration may be around
few micro amperes
few hundred micro amperes
few milliamperes
few hundred milliamperes
⇒ Public address systems generally use electret microphones.
TRUE
FALSE