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Q1. | The efficiency of using a binary system for selection of 1 out of 13 equally probable events is |

A. | 1 [Correct Answer] |

B. | about 92% [Wrong Answer] |

C. | about 83% [Wrong Answer] |

D. | about 71% [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ Which has the highest power dissipation per gate?

ECL

TTL

CMOS

PMOS

⇒ Effect of loading of line is

increase in Z

_{0}, a and β

increase in Z

_{0}and β but decrease in a

decrease in Z

_{0}, a and β

decrease in Z

_{0}and β but increase in a

⇒ To realize following function

*'f'3*

6

4

10

6

4

10

⇒ Which binary addition is incorrect?

1101.1 + 1011.1 = 11001.0

101101 + 1101101 + 1100011

0.0011 + 0.1110 + 1.0001

1100.001 + 1011.011 = 10111.100

⇒ Two rectangular waveforms of duration t

Triangular

Rectangular

Trapezoidal

Semi-circular

⇒ The correct hierarchy of operations for the operators & &, = = , = , * is

& & , = = , = , *

* , = = , & & , =

* , & & , = = , =

= , & & , = = , *

⇒ A parallel RLC network has R = 4Ω, L = 4H, C = 0.25F. Then at resonance Q =

1

10

20

40

⇒ In a FM signal, the modulation index increases, then the power

increases

decreases

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none of the above

⇒

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 R is wrong

A is wrong R is correct

⇒ When one operand is real and one integer in Pascal, which of the following operations are not allowed?

+ and -

*

/

Div and Mod

⇒ The signal to noise ratio in telemetry should be better than

5 db

10 db

25 db

60 db

⇒ SSB stands for

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⇒ What is the effect of cut in voltage on the wave form of output as compared to input in a semiconductor diode?

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Both (a) and (b)

⇒ The following sequence represents autocorrelation of a real valued signal. The energy of real valued sequence is given by __________

2[1

10

10

2[1

⇒ Which of the following is incorrect?

(111)

(111)

7 + 2 = (1001)

None of the above

⇒ A parallel plate capacitor having C = 200 x 10

10

10

10

10

⇒ Hexadecimal number E is equal to binary number

1110

1101

1001

1111

⇒ A signal is sampled at Nyquist rate

Periodic square wave of fundamental frequency

Triangular wave of fundamental frequency

Periodic sine wave of fundamental frequency

Unit impulse function

⇒ A scheme shown below is to generate a wide band FM modulate sign

30

6

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⇒ If the circumference of a spherical target is between 1 to 10 wavelength in a radar system, the situation is called

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optical region

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⇒ When signed numbers are used in binary arithmetic, which of the following has unique representation for zero?

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⇒ The 8085 microprocessor is interrupted while executing MOV instruction at location 0210 H. What is the location at which contents of register D are stored

054 CH

054 DH

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⇒ In a programmable counter

the starting number for counting can be programmed

the modulus can be programmed

both the starting number and modulus can be programmed

either the starting number or modulus can be programmed

⇒ In a lead acid battery

the numbers of positive and negative plates are equal

the number of positive plates may be equal to or more than the number of negative plates

the number of positive plates is more than the number of negative plates

the number of negative plates is more than the number of positive plates

⇒ In the balanced bridge shown in figure.

a self inductance having resistance

a capacitance

a non-inductive resistance

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⇒ Light dependent resistors are

highly doped semiconductor

intrinsic semiconductor

lightly doped semiconductor

either (a) or (c)

⇒ The resistance of a photoconductor

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decreases with increase in light intensity

may increase or decrease with increase in light intensity

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⇒ Inverters find applications in

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UPS

variable speed ac drives

all of the above

⇒ For a second order system, damping ratio ζ is such that 0 < ζ <. Then the roots of characteristic equation are

real but not equal

real and equal

complex conjugate

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⇒ Which of the following circuit cannot be used to demodulate SSB?

Phase discriminator

Produce detector

Balanced modulator

Beat frequency oscillator

⇒ Which binary addition is incorrect?

1101.1 + 1011.1 = 11001.0

101101 + 1101101 + 1100011

0.0011 + 0.1110 + 1.0001

1100.001 + 1011.011 = 10111.100

⇒ Two rectangular waveforms of duration t

_{1}and t_{2}seconds are convolved. What is the shape of the resulting waveform?Triangular

Rectangular

Trapezoidal

Semi-circular

⇒ The correct hierarchy of operations for the operators & &, = = , = , * is

& & , = = , = , *

* , = = , & & , =

* , & & , = = , =

= , & & , = = , *

⇒ A parallel RLC network has R = 4Ω, L = 4H, C = 0.25F. Then at resonance Q =

1

10

20

40

⇒ In a FM signal, the modulation index increases, then the power

increases

decreases

remains constant

none of the above

⇒

**Assertion (A):** C allows the use of logical operators, AND, OR, NOT.

**Reason (R):** C has logical operators as well as bitwise operators like AND, OR etc.

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 R is wrong

A is wrong R is correct

⇒ When one operand is real and one integer in Pascal, which of the following operations are not allowed?

+ and -

*

/

Div and Mod

⇒ The signal to noise ratio in telemetry should be better than

5 db

10 db

25 db

60 db

⇒ SSB stands for

Single Side Band

Suppressed Side Band

Single Sound Band

Single Sky Band

⇒ What is the effect of cut in voltage on the wave form of output as compared to input in a semiconductor diode?

The duration of output waveform is less than 180°

Output voltage is less than input voltage

Output voltage is more than input voltage

Both (a) and (b)

⇒ The following sequence represents autocorrelation of a real valued signal. The energy of real valued sequence is given by __________

*x(n)*= {1, _, 3, _, 5, _, 7, _, 9, 10, _, 8, _, 6, _, 4, _, 22[1

^{2}+ 2^{2}+ 3^{2}+ 4^{2}+ 5^{2}+ 6^{2}+ 7^{2}+ 8^{2}+ 9^{2}] + 10^{2}10

10

^{2}2[1

^{2}+ 2^{2}+ 3^{2}+ 4^{2}+ 5^{2}+ 6^{2}+ 7^{2}+ 8^{2}+ 9^{2}+ 10^{2}]⇒ Which of the following is incorrect?

(111)

_{2}+ (10)_{2}= 9(111)

_{2}+ (2)_{10}= (9)_{16}7 + 2 = (1001)

_{2}None of the above

⇒ A parallel plate capacitor having C = 200 x 10

^{-12}F has loss dielectric having tan δ = 4 x 10^{-4}. At an ac voltage of*f*= 10^{6}Hz and peak value 2 V, the dielectric losses are10

^{-8}W10

^{-6}W10

^{-4}W10

^{-2}W⇒ Hexadecimal number E is equal to binary number

1110

1101

1001

1111

⇒ A signal is sampled at Nyquist rate

*f*= 2_{s}*f*_{0}. The function can be recovered from its samples only. If it is aPeriodic square wave of fundamental frequency

*f*_{0}Triangular wave of fundamental frequency

*f*_{0}Periodic sine wave of fundamental frequency

*f*_{0}Unit impulse function

⇒ A scheme shown below is to generate a wide band FM modulate sign

30

6

250

12

⇒ If the circumference of a spherical target is between 1 to 10 wavelength in a radar system, the situation is called

resonance region

Rayleigh region

optical region

binomial region

⇒ When signed numbers are used in binary arithmetic, which of the following has unique representation for zero?

Sign-magnitude

1's complement

2's complement

9's complement

⇒ The 8085 microprocessor is interrupted while executing MOV instruction at location 0210 H. What is the location at which contents of register D are stored

054 CH

054 DH

054 EH

054 FH

⇒ In a programmable counter

the starting number for counting can be programmed

the modulus can be programmed

both the starting number and modulus can be programmed

either the starting number or modulus can be programmed

⇒ In a lead acid battery

the numbers of positive and negative plates are equal

the number of positive plates may be equal to or more than the number of negative plates

the number of positive plates is more than the number of negative plates

the number of negative plates is more than the number of positive plates

⇒ In the balanced bridge shown in figure.

*X*shoulda self inductance having resistance

a capacitance

a non-inductive resistance

an inductance and capacitance in parallel

⇒ Light dependent resistors are

highly doped semiconductor

intrinsic semiconductor

lightly doped semiconductor

either (a) or (c)

⇒ The resistance of a photoconductor

increases with increase in light intensity

decreases with increase in light intensity

may increase or decrease with increase in light intensity

remains constant

⇒ Inverters find applications in

HVDC transmission

UPS

variable speed ac drives

all of the above

⇒ For a second order system, damping ratio ζ is such that 0 < ζ <. Then the roots of characteristic equation are

real but not equal

real and equal

complex conjugate

imaginary

⇒ Which of the following circuit cannot be used to demodulate SSB?

Phase discriminator

Produce detector

Balanced modulator

Beat frequency oscillator