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Q1. | A quantization error is an essential aspect of ADC |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

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

⇒ The two terms used to describe performance of a directional coupler are

coupling and directivity

gain and coupling

gain and directivity

gain and isolation

⇒ In figure the cut in voltage of diode is 0.7 V and its bulk resistance is 20 Ω. The peak value of circuit current of during positive and negative half cycles

10 mA and zero

9.12 mA and zero

9.3 mA and zero

zero and 9.12 mA

⇒ Consider the circuit shown below of 2 : 1 MUX is given by the function

*g*=

*ac*+

*bc*

X ⊕ Y

XY + EXY

XE + XY

none of these

X ⊕ Y

XY + EXY

XE + XY

none of these

⇒ Double integration of unit step function leads to

an impulse

a parabola

a ramp

a doublet

⇒ For type 1 system the velocity lag error is

inversely proportional to bandwidth of system

directly proportional to gain constant

inversely proportional to gain constant

independent of gain constant

⇒ A 750 A circuit uses thyristor of current rating 175 A. If derating is 25%, the number of thyristors in parallel is

3

4

6

10

⇒ The average value of the wavefor

2 V

0 V

4 V

3 V

⇒ For representing two sinusoidal voltages on a phasor diagram

Both voltages must be of the same frequency

Both voltages must be sinusoidal but may be of different frequencies

One of the voltages must be of 50 Hz

The frequency of one must be integral of that of other

⇒ At high frequencies the output circuit of transistor amplifier reduces to

a lead network

a lag network

either (a) or (b)

neither (a) nor (b)

⇒ When a

holes and electrons move away from the junction

holes and electrons move towards the junction

holes move towards junction and electrons move away from junction

holes move away from junction and electrons move towards junction

⇒ Which language has a preprocessor?

Fortran 77

Pascal

C

None of the above

⇒ Which of the following circuit does not need a coupling capacitor?

Resistance loaded

Transformer coupled

Impedance coupled

Single tuned

⇒ With the switch in STOP position, Y will be equa

0

1

CLK

none of these

⇒ If the peak transmitted power in a radar is increased by a factor 81, the maximum range is increased by a factor of

3

9

27

81

⇒ A transmission line discontinuity is defined as any interruption in the uniformity of the line.

TRUE

FALSE

⇒ In a 4-ary FSK, the frequencies are separated by

in phase

in phase opposition

orthogonal

none of the above

⇒ A buffer is

always non-inverting

always inverting

inverting or non-inverting

none of the above

⇒ If antenna diameter is increased four times, the maximum range is increased by a factor of

2

2

4

0.2

⇒

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

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

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

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

⇒ In the given figure, A = B = 1 and C = D = 0. Then

1

0

either 1 or 0

indeterminate

⇒ ALU processes

decimal numbers

binary numbers

hexadecimal numbers

all of the above

⇒ A network is said to be two port network if there is

1, 2, 3

3, 4, 2

1, 3, 4

4, 3, 1, 2

⇒ The characteristic polynomial of a system is

stable

marginally stable

unstable

oscillatory

⇒ If a fuse is higher than required current rating is employed in a circuit, it will

blow more frequently since it carries more current

afford better protection to the circuit

seriously overload the circuit

lead to larger maintenance cost

⇒ A diode detector load consists of 0.01 μF capacitor in parallel with a 5

0.76, 0.24

0.95, 0.3

0.24, 0.76

0.3, 0.95

⇒ A transistor with a = 0.98 then β will be

49

50

47

48

⇒ In the absence of noise, if C is channel capacity in bits/s, δ

C = log

C = (δ

C = 2 (δ

C = 0.5 (δ

⇒ Satellite communication uses frequencies in the range of

3 to 6 GHz

3-10 MHZ

10-50 GHz

100-200 GHz

⇒ Television receiver antenna is usually

loop type

yagi antenna

parabolic dishes

none of the above

⇒ The current I flowing in the branc

-12 A

0

0.125

-3 A

⇒ Double integration of unit step function leads to

an impulse

a parabola

a ramp

a doublet

⇒ For type 1 system the velocity lag error is

inversely proportional to bandwidth of system

directly proportional to gain constant

inversely proportional to gain constant

independent of gain constant

⇒ A 750 A circuit uses thyristor of current rating 175 A. If derating is 25%, the number of thyristors in parallel is

3

4

6

10

⇒ The average value of the wavefor

2 V

0 V

4 V

3 V

⇒ For representing two sinusoidal voltages on a phasor diagram

Both voltages must be of the same frequency

Both voltages must be sinusoidal but may be of different frequencies

One of the voltages must be of 50 Hz

The frequency of one must be integral of that of other

⇒ At high frequencies the output circuit of transistor amplifier reduces to

a lead network

a lag network

either (a) or (b)

neither (a) nor (b)

⇒ When a

*p*-*n*junction is reverse biasedholes and electrons move away from the junction

holes and electrons move towards the junction

holes move towards junction and electrons move away from junction

holes move away from junction and electrons move towards junction

⇒ Which language has a preprocessor?

Fortran 77

Pascal

C

None of the above

⇒ Which of the following circuit does not need a coupling capacitor?

Resistance loaded

Transformer coupled

Impedance coupled

Single tuned

⇒ With the switch in STOP position, Y will be equa

0

1

CLK

none of these

⇒ If the peak transmitted power in a radar is increased by a factor 81, the maximum range is increased by a factor of

3

9

27

81

⇒ A transmission line discontinuity is defined as any interruption in the uniformity of the line.

TRUE

FALSE

⇒ In a 4-ary FSK, the frequencies are separated by

*f*. Then they are_{s}in phase

in phase opposition

orthogonal

none of the above

⇒ A buffer is

always non-inverting

always inverting

inverting or non-inverting

none of the above

⇒ If antenna diameter is increased four times, the maximum range is increased by a factor of

2

2

4

0.2

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | Multiplexer | 1. | Sequential memory |

B. | De-multiplexer | 2. | Converts decimal number to binary |

C. | Shift register | 3. | Data selector |

D. | Encoder | 4. | Routes single input to many outputs |

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

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

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

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

⇒ In the given figure, A = B = 1 and C = D = 0. Then

1

0

either 1 or 0

indeterminate

⇒ ALU processes

decimal numbers

binary numbers

hexadecimal numbers

all of the above

⇒ A network is said to be two port network if there is

- no independent source in the network
- no dependent source in the network
- non-linear component in the circuit
- no external connection exist between I/P and 0/P

1, 2, 3

3, 4, 2

1, 3, 4

4, 3, 1, 2

⇒ The characteristic polynomial of a system is

*q*(*s*) = 2*s*^{5}+*s*^{4}+ 4*s*^{3}+ 2*s*^{2}+ 1. The system is :stable

marginally stable

unstable

oscillatory

⇒ If a fuse is higher than required current rating is employed in a circuit, it will

blow more frequently since it carries more current

afford better protection to the circuit

seriously overload the circuit

lead to larger maintenance cost

⇒ A diode detector load consists of 0.01 μF capacitor in parallel with a 5

*k ohms*resistor. The maximum depth of modulation without diagonal clipping at modulating frequency of 1000 H*z*and 10 kH*z*is0.76, 0.24

0.95, 0.3

0.24, 0.76

0.3, 0.95

⇒ A transistor with a = 0.98 then β will be

49

50

47

48

⇒ In the absence of noise, if C is channel capacity in bits/s, δ

*f*is channel bandwidth in Hz and N is number of coding levels. ThenC = log

_{2}NC = (δ

*f*) log_{2}NC = 2 (δ

*f*) log_{2}NC = 0.5 (δ

*f*) log_{2}N⇒ Satellite communication uses frequencies in the range of

3 to 6 GHz

3-10 MHZ

10-50 GHz

100-200 GHz

⇒ Television receiver antenna is usually

loop type

yagi antenna

parabolic dishes

none of the above

⇒ The current I flowing in the branc

-12 A

0

0.125

-3 A