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Consider the following statements about 'Functions' in C
| |
A. | All [Wrong Answer] |
B. | 1 and 2 only [Correct Answer] |
C. | 1 and 3 only [Wrong Answer] |
D. | 2 and 3 only [Wrong Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true
⇒ Which one of the following is used as the interface chip for data transmission between 8086 and a 16-bit ADC?
8259
8255
8253
8251
⇒ Y = A + A B is the same as
Y = AB
Y = A + B
Y = A + B
Y = A + B
⇒ Given below impulse response of two sys
h_{1}(n) non causal and stable
h_{1}(n) non causal and stable
h_{1}(n) causal and not stable
h_{1}(n) causal and stable
⇒ The magnetic moment in units of Bohr magneton of a ferrous ion in any ferrite is
zero
2
4
6
⇒ In radar systems PRF stands for
Power Return Factor
Pulse Return Factor
Pulse Repetition Frequency
Pulse Response Factor
⇒ The carrier frequency will be if L = 50 µH and C = 1 nF.
512
612 kHz
712 kHz
812 kHz
⇒ A radio wave is incident on a layer of ionosphere at an angle of 30° with the vertical. If the critical frequency is, 1.2 MHz, the maximum usable frequency is
1.2 MHz
2.4 MHz
0.6 MHz
1.386 MHz
⇒ At T = 0, the resistivity of a perfect single crystal of a metal is
0
low
high
finite
⇒ The normal operation of JFET is
constant voltage region
constant current region
both constant voltage and constant current regions
either constant voltage or constant current region
⇒ Consider the following types of distortions in diode detectors
1, 2 and 3
1 and 2
1 and 3
2 and 3
⇒
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true
⇒ Which of the following modes in circular waveguides are circularly symmetric?
TE_{01}
TE_{02}
both (a) and (b)
neither (a) nor (b)
⇒ While keeping the down-link frequency constant, the diameter of a satellite antenna is reduced by half. To offer the same EIRP over the increased coverage area, the RF output power has to be increases by a factor of
2
4
8
16
⇒ Which one is discrete time periodic signal?
sin 3pn
cos 2pn
sin 3pn
all
⇒ In an n channel JFET, V_{GS} = V_{GS(off)}. Then
I_{D} is zero
I_{D} may be zero or positive
I_{D} is positive
I_{D} may be zero or negative
⇒ When a power diode is conducting, the voltage drop across it is about
I V
5 V
20 V
50 V
⇒ In figure, the value of R shoul
12 Ω
6 Ω
3 Ω
1.5 Ω
⇒ In which of the following schemes are several channels interleaved and transmitted together?
TDM
FDM
group
subgroup
⇒ The signal m(t) = 10 cos 100 pt is sampled at the rate of F_{s} = 75 H_{z, } then determine signal after sampling.
4 cos 100 pt + 8 sin 200 pt
4 cos 100 pt + 8 sin 200 pt + cos 75 pt
4 cos 25 pt + 8 sin 50 pt + cos 75 pt
none
⇒ Which of the following statement about receivers is false?
Double conversion is used to improve image rejection
Double conversion is used to improve selectivity
Variable sensitivity is used to improve selectivity
Variable sensitivity is used to eliminate selective fading
⇒ In the circuit below, the diode is ideal. The voltage V is give
min(V_{i}, 1)
max(V_{i}, 1)
min (-V_{i}, 1)
max (-V_{i}, 1)
⇒ If a two port network is represented by an equivalent T network the admittance of series arm in term of ABCD parameter is equal to
C
1/C
(A - 1)/B
1/B
⇒
A-1, B-3, C-5
A-5, B-4, C-2
A-6, B-4, C-5
A-2, B-4, C-5
⇒ A system has 12 poles and 2 zeros. Its high frequency asymptote in its magnitude plot has a slope of
-200 dB/decade
-240 dB/decade
-280 dB/decade
-320 dB/decade
⇒ The number of spectral component when two sine wave of same frequency multiplied is
2
3
∞
4
⇒ The log magnitude curve for a constant gain K is a horizontal straight line at a magnitude 20 log K dB.
TRUE
FALSE
⇒ A Hartley oscillator is used for
very low frequencies
radio frequencies
micro wave frequencies
audio frequency
⇒ A series resonant circuit has R = 10 Ω, L = 1 μH and C = 1 mF. If R is increased to 20 Ω the resonant frequency
increases
decreases
remains constant
may increases or decreases
⇒ The directivity in a receiving antenna
1 only
1 and 2 only
1, 2 and 3
2 and 3 only
⇒
Assertion (A): An RTD uses platinum coil.
Reason (R): Platinum is a very stable material.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true
⇒ Which one of the following is used as the interface chip for data transmission between 8086 and a 16-bit ADC?
8259
8255
8253
8251
⇒ Y = A + A B is the same as
Y = AB
Y = A + B
Y = A + B
Y = A + B
⇒ Given below impulse response of two sys
h_{1}(n) non causal and stable
h_{1}(n) non causal and stable
h_{1}(n) causal and not stable
h_{1}(n) causal and stable
⇒ The magnetic moment in units of Bohr magneton of a ferrous ion in any ferrite is
zero
2
4
6
⇒ In radar systems PRF stands for
Power Return Factor
Pulse Return Factor
Pulse Repetition Frequency
Pulse Response Factor
⇒ The carrier frequency will be if L = 50 µH and C = 1 nF.
512
612 kHz
712 kHz
812 kHz
⇒ A radio wave is incident on a layer of ionosphere at an angle of 30° with the vertical. If the critical frequency is, 1.2 MHz, the maximum usable frequency is
1.2 MHz
2.4 MHz
0.6 MHz
1.386 MHz
⇒ At T = 0, the resistivity of a perfect single crystal of a metal is
0
low
high
finite
⇒ The normal operation of JFET is
constant voltage region
constant current region
both constant voltage and constant current regions
either constant voltage or constant current region
⇒ Consider the following types of distortions in diode detectors
- Distortion is caused due to the reason that dc and ac load impedances are unequal
- Distortion is caused because ac load impedance has a reactive component at high audio frequencies
- Audio frequency diode current is less than dc current
1, 2 and 3
1 and 2
1 and 3
2 and 3
⇒
Assertion (A): For a magnetic material M = (μ_{r} - 1) H, where M is magnetic dipole moment/m^{3}, H is field intensity A/m and μ_{r} is relative permeability.
Reason (R): μ_{r} can have any value from 0 to hundreds of thousands.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true
⇒ Which of the following modes in circular waveguides are circularly symmetric?
TE_{01}
TE_{02}
both (a) and (b)
neither (a) nor (b)
⇒ While keeping the down-link frequency constant, the diameter of a satellite antenna is reduced by half. To offer the same EIRP over the increased coverage area, the RF output power has to be increases by a factor of
2
4
8
16
⇒ Which one is discrete time periodic signal?
sin 3pn
cos 2pn
sin 3pn
all
⇒ In an n channel JFET, V_{GS} = V_{GS(off)}. Then
I_{D} is zero
I_{D} may be zero or positive
I_{D} is positive
I_{D} may be zero or negative
⇒ When a power diode is conducting, the voltage drop across it is about
I V
5 V
20 V
50 V
⇒ In figure, the value of R shoul
12 Ω
6 Ω
3 Ω
1.5 Ω
⇒ In which of the following schemes are several channels interleaved and transmitted together?
TDM
FDM
group
subgroup
⇒ The signal m(t) = 10 cos 100 pt is sampled at the rate of F_{s} = 75 H_{z, } then determine signal after sampling.
4 cos 100 pt + 8 sin 200 pt
4 cos 100 pt + 8 sin 200 pt + cos 75 pt
4 cos 25 pt + 8 sin 50 pt + cos 75 pt
none
⇒ Which of the following statement about receivers is false?
Double conversion is used to improve image rejection
Double conversion is used to improve selectivity
Variable sensitivity is used to improve selectivity
Variable sensitivity is used to eliminate selective fading
⇒ In the circuit below, the diode is ideal. The voltage V is give
min(V_{i}, 1)
max(V_{i}, 1)
min (-V_{i}, 1)
max (-V_{i}, 1)
⇒ If a two port network is represented by an equivalent T network the admittance of series arm in term of ABCD parameter is equal to
C
1/C
(A - 1)/B
1/B
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | SSB Modulation | 1. | Transmission line |
B. | Δ . B = 0 | 2. | Hilbert transform |
C. | Model dispersion | 3. | Faraday's law |
4. | Absence of magnetic monopoles | ||
5. | Waveguides | ||
6. | Phase locked loop |
A-1, B-3, C-5
A-5, B-4, C-2
A-6, B-4, C-5
A-2, B-4, C-5
⇒ A system has 12 poles and 2 zeros. Its high frequency asymptote in its magnitude plot has a slope of
-200 dB/decade
-240 dB/decade
-280 dB/decade
-320 dB/decade
⇒ The number of spectral component when two sine wave of same frequency multiplied is
2
3
∞
4
⇒ The log magnitude curve for a constant gain K is a horizontal straight line at a magnitude 20 log K dB.
TRUE
FALSE
⇒ A Hartley oscillator is used for
very low frequencies
radio frequencies
micro wave frequencies
audio frequency
⇒ A series resonant circuit has R = 10 Ω, L = 1 μH and C = 1 mF. If R is increased to 20 Ω the resonant frequency
increases
decreases
remains constant
may increases or decreases
⇒ The directivity in a receiving antenna
- increases the intercept area in forward direction
- reduces the noise picked up from other sources
- provides a means of discriminating against undesired signals originating in directions other than in which the desired transmitter lies.
1 only
1 and 2 only
1, 2 and 3
2 and 3 only