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Q1. | In a decimal digital computer, the number 127 is stored |

A. | 1111111 [Correct Answer] |

B. | 0001 00100111 [Wrong Answer] |

C. | 10001 [Wrong Answer] |

D. | 11000111 [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ The relative stability of a system is given by

gain margin alone

phase margin alone

both phase and gain margins

either (a) or (b)

⇒

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

⇒ In a commercially available good power supply the voltage regulation is about

0.01

0.05

0.1

0.2

⇒ For very low frequencies, log magnitude for the given figur

0 dB

-3 dB

3 dB

10 dB

⇒ Hall effect can be used to find the type of semiconductor.

TRUE

FALSE

⇒ For a rectangular waveguide (

*a*x

*b*,

*a*>

*b*) to support only the TE

_{10}mode at wavelength which one of the following pairs of in equalities is to be satisfied?

*b*< λ < 2

*b*; λ > 2

*a*

*b*< λ < 2

*b*; λ < 2

*a*

*a*< λ < 2

*b*; λ < 2

*a*

*a*< λ < 2

*b*; λ > 2

*a*

⇒ For the system with given characteristic equat

3, 2, 0

4, 0, 1

3, 0, 2

4, 1, 0

⇒ A series RLC circuit is at resonance at 200 Hz. If capacitance is increased to four times, the circuit will be in resonance at

200 Hz

400 Hz

100 Hz

800 Hz

⇒

Match the following:

List I (Logic) | List II (Characteristic) | ||
---|---|---|---|

A. | RTL | 1. | High fan out |

B. | CMOS | 2. | Highest speed of operation |

C. | I^{2}L | 3. | High noise immunity |

D. | ECL | 4. | Lowest product of power and delay |

A-4, B-3, C-2, D-1

A-4, B-3, C-2, D-3

A-3, B-1, C-4, D-2

A-3, B-4, C-1, D-2

⇒ In figure the dc load line will meet the

*y*and

*x*axis respectivel

20 mA and 30 V

15 mA and 20 V

25 mA and 40 V

10 mA and 20 V

⇒ S

_{i}transistor of following figure has a = 0.9 and I

_{CE}= 0, V

_{EE}= 5 V and V

_{CC}= 13 V, then R

_{E}will be if I

_{EQ}=

3 kΩ

4 kΩ

5 kΩ

4.3 kΩ

⇒ In a 3 phase semiconverter, the freewheeling diode comes into operation only if firing angle

is zero

is 60°

is more than 60°

is more than 90°

⇒ Which of them has 10 inputs and 4 outputs?

Decimal to BCD encoder

BCD to decimal decoder

Octal to binary encoder

All encoders

⇒ Consider the following statements:

- With increase in temperature Fermi-level tries to come in between the energy gap exactly at middle
- Mobility of electron in GaAs is very high compared to mobility of hole
- In LED, the light energy radiated due to recombination with the aid of traps.

1 and 2

1, 2 and 3

2 and 3

1 and 3

⇒ 9's complement of 56

_{10}is

43

_{10}

84

_{10}

65

_{10}

53

_{10}

⇒ For a type 1 system and unit parabolic input, the steady state error is

0

∞

1

1/K

_{v}⇒ In a CE amplifier the Q point is very close to saturation point on the dc load line. This results in

positive clipping of collector current

negative clipping of collector current

both positive and negative clipping of collector current

either positive or negative clipping of collector current

⇒ Trinitron is a monochrome picture tube.

TRUE

FALSE

⇒ DeMorgan's first theorem shows the equivalence of

OR gate and Exclusive OR gate

NOR gate and Bubbled AND gate

NOR gate and NAND gate

NAND gate and NOT gate

⇒ In a TV receiver the video IF amplifier provides a gain of about

5 dB

20 dB

60 dB

200 dB

⇒ A piezoelectric force transducer has a charge sensitivity of 20 pC/N. It is connected to a charge amplifier and overall gain of transducer and amplifier is 50 mV/N. The gain of amplifier is

1 mV/pC

1.5 mV/pC

2.5 mV/pC

4 mV/pC

⇒ If

*f*=0

X

_{L}= 0 and X

_{C}= 0

X

_{L}= ∞, X

_{C}= ∞

X

_{L}= 0 and X

_{C}= ∞

X

_{L}= ∞ and X

_{C}= 0

⇒ As the viscosity of a liquid increases, the relaxation time

remains constant

increases

decreases

first decreases then increases

⇒ The moving iron instruments are generally repulsion type.

TRUE

FALSE

⇒ In C the range of real constants expressed in exponential form is

-2.3

*e*37 to + 2.3

*e*37

-3.4

*e*38 to + 3.4

*e*38

-3.4

*e*37 to + 3.4

*e*37

-2.3

*e*38 to + 2.3

*e*38

⇒ In a FM receiver, amplitude limiter

amplifiers low frequency signals

reduces the amplitude of signals

eliminates any change in amplitude of received FM signals

none of the above

⇒ If a wave is propagated in free space, it will be in nature of

TE

TM

TEM

Any one of above

⇒ Which of the following method cannot be used to increase the bandwidth for cascaded RF amplifier stages?

Wave traps in each stage

Stagger tuning

A shunt damping resistor across each tuned circuit

Doubled tuned transformers with tighter coupling

⇒ Mc Murray full bridge inverter uses

4 thyristors and 2 diodes

4 thyristors and 4 diodes

8 thyristors and 4 diodes

8 thyristors and 8 diodes

⇒ In paramagnetic materials

permanent magnetic dipoles exist but the interaction between neighbouring dipoles is negligible

permanent magnetic dipole do not exist

permanent magnetic dipoles exist and the interaction between neighbouring dipoles is very strong

permanent magnetic dipole moment may or may not exist