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Q1. | The 2's complement representation of the decimal number -4 is |

A. | 100 [Wrong Answer] |

B. | 1100 [Correct Answer] |

C. | 1011 [Wrong Answer] |

D. | 1010 [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss 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 :**

⇒ The accuracy of measurement by ohmmeter is very good.

TRUE

FALSE

⇒ A hot wire instrument is not affected by stray magnetic fields.

TRUE

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⇒ In a mechanical accelerometer, the steady state displacement is a measure of

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constant input velocity

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⇒ The number of valence electrons in pentavalent impurity is

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⇒ Let the initial contents of

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1 and 00000111

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⇒ Which of the following equations satisfy Maxwell's equations?

E

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*y*-

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E

_{x}= E

_{y}= 0, E

_{z}= cos (

*y*-

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F

_{y}= cos (

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_{z}= 0

None of these

⇒ Which of the following real expressions is incorrect in Pascal?

`Y - X `

`(A + B) (C + D)`

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⇒ A first order system will never be able to give a __________ response

- band stop
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⇒ The method of frequency compensation in moving iron voltmeter is

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⇒ In the circuit of figure, the switch is closed at

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0.208333333333333

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⇒ Which of the following statement regarding waveguides is

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⇒ A CE amplifier has a high input signal. In the wave shape of emitter current

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⇒ Consider a baseband binary PAM receiver shown below. The additive channel noise

⇒ If the open-loop transfer function is a ratio of a numerator polynomial of degree '

*m*' and a denominator polynomial of degree '*n*', then the integer (*n*-*m*) represents the number of:breakaway points

unstable poles

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⇒ In static RAM 6264 the number of address inputs are

10

12

13

15

⇒ Which bridge can be used to measure frequency?

Maxwell

Kelvin

Schering

Wein

⇒ A delay equalizer is a

low pass filter

band pass filter

all pass filter

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⇒ Parity means the same as positive or negative number.

TRUE

FALSE

⇒ In the circuit of figure, the switch is closed at

*t*= 0. At*t*= 0^{+}the current supplied by batter0

0.208333333333333

less than 5A

infinity

⇒ Which of the following statement regarding waveguides is

*incorrect*?At waveguide can be coupled to a coaxial cable

At frequencies below the cut off value the wave progresses across the waveguide after total reflections

Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves

Waveguides can handle large power at UHF and microwaves

⇒ From the noise point of view, bandwidth should

be large

not be too large

should be as large as possible

should be infinite

⇒

*e*^{-3}*is a*^{t}energy signal

power signal

Both (a) and (b)

none

⇒ The maximum rectification efficiency in case of full wave rectifier is

1

0.812

0.666

0.406

⇒ The quiescent collector current I

_{C}, and collector to emitter voltage V_{CE}in a CE connection are the values whenac signal is zero

ac signal is low

ac signal is negative

either (a) or (b)

⇒ Reflection from the object to be measured is significant only when the wavelength is

much bigger than the size of object

much smaller than the size of object

almost of the size of object

either (a) or (c)

⇒ A half adder can be used only for adding

1 s

2 s

4 s

8 s

⇒ If transmission bandwidth is doubled in FM, SNR is

doubled

raised four times

decreased four times

halved

⇒ Polarization is a measure of

dielectric constant per unit volume

voltage gradient to produce electrical breakdown

product of charge and distance

excess charge density

⇒ As per Hartley law

redundancy is essential

it is necessary to use only binary codes

maximum rate of information transmission depends on the channel bandwidth

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⇒ A CE amplifier has a high input signal. In the wave shape of emitter current

positive and negative half cycles will be symmetrical

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positive half cycle will be compressed and negative half cycle will be elongated

the half cycles may be either elongated or compressed

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0.5 x

0.5 x

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*e*^{-5}0.5 x

*e*^{-7}0.5 x

*e*^{-10}

⇒ An air-filled rectangular waveguide has dimensions 8

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5.5 x 10

3.46 x 10

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⇒ An air-filled rectangular waveguide has dimensions 8

*cm*x 10*cm*. The phase velocity of guided wave at frequency of 3 GH*z*for TE_{10}mode is1.5 x 10

^{8}*m/s*5.5 x 10

^{8}*m/s*3.46 x 10

^{8}*m/s*0.18 x 10

^{7}*m/s*