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Q1. | A_{16} X 2_{16} __________ . |

A. | 16_{16} [Wrong Answer] |

B. | 15_{16} [Wrong Answer] |

C. | 14_{16} [Correct Answer] |

D. | 13_{16} [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss 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 :**

⇒ X(

*t*) is a stationary process with the power spectral density S

_{x}(

*f*) > 0 for all

*f*. The process is passed through a system shown be

S

_{y}(

*f*) > 0 for all

*f*

S

_{y}(

*f*) = 0 for |f| > 1kHz

S

_{y}(

*f*) = 0 for

*f*=

*nf*

_{0},

*f*

_{0}= 2kHz,

*n*any integer

S

_{y}(

*f*) = 0 for

*f*= (2

*n*+ 1)

*f*

_{0}= 1 kHz,

*n*any integer

⇒ In an induction wattmeter, the shading bands are made of non conducting material.

TRUE

FALSE

⇒ In a biased limiter the clipping level can be adjusted by adjusting the voltage of battery.

TRUE

FALSE

⇒ Which one of the following is a regulated power supply?

IC 555

IC 844

IC 3080

IC 723

⇒ Karnaugh map is used to

minimise the number of flip flops in a digital circuit

minimise the number of gates only in a digital circuit

minimise the number of gates and fan in a digital circuit

design gates

⇒ Divergence of curl A is

∇ . (∇ x A) = 1

∇ . (∇ x A) = 0

∇ . (∇ x A) = ∇

∇ . (∇ x A) = - ∞

⇒ The output

*y*(

*t*) of a continuous-time system

*S*for the input

*x*(

*t*) is given

S is linear and time-invariant

S is linear and time-varying

S is non-linear and time-invariant

S is non-linear and time-varying

⇒ A (0.75 -

*j*50) ohm load is connected to a coaxial transmission line of Z

_{0}= 75 ohms at a frequency of 10 GHz Which of the following will be the best method of matching?

Connecting an inductance at the end

Connecting a short circuited stub at the load

Connecting a capacitance at some distance from the load

Connecting a short circuited stub at some specified distance from the load

⇒ The trignometric Fourier series of an even function of time does not have

dc term

cosine term

sine term

odd harmonic terms

⇒

Match the following:

List I (Digital circuit) | List II (Circuit type) | ||
---|---|---|---|

A. | BCD to 7 segment decoder | 1. | sequential circuit |

B. | 4-to-1 MUX | 2. | combinational circuit |

C. | 4 bit shift register | 3. | neither sequential nor combinational circuit |

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

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

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

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

⇒ Surface integral of the electric field intensity is

differential of volume flux

electrical charge

net flux emanating from the surface

none of the above

⇒ Power gain of antenna equals directive gain in VHF and UHF range if and only if efficiency of the antenna is

0.25

0.5

0.75

1

⇒ In a superheterodyne receiver, having no RF amplifier, the IF is 455 kHz. The image frequency at 1000 kHz is

1455 kHz

545 kHz

1910 kHz

90 kHz

⇒ The system in the given figure

good gain and phase margins

good gain margin and poor phase margin

poor gain and phase margins

poor gain margin but good phase margin

⇒ Wood is a diamagnetic material.

TRUE

FALSE

⇒ Which of the following is a valid real constant?

-81.56

73

10254,1

42

⇒ Which one of the following is true?

Alternating voltage and current contain odd and even harmonics

The inductance in a circuit reduces the effect of harmonics and makes current wave more sinusoidal than voltage wave

Alternating voltage and current waveforms, in general, do not contain odd harmonics

Inductance of a circuit does not alter wave shape at all

⇒ The Boolean expression for the sub-class (Q) of all electronic instruments which are measuring instruments or are non-digital instruments with battery supply is

Q = X(Y + Z)

Q = X + YZ

Q = XY + Z

Q = XY + Z

⇒ A capacitance transducer can be used to measure

thickness of sheet

displacement

level of fluids

all of the above

⇒ Two passive elements are connected in series and a dc voltage is applied to the circuit. The time variation of the current is shown in figure. The two elements

one resistance and the other inductance

both resistances

one inductance and the other capacitance

one resistance and the other capacitance

⇒ A heater is rated at 230 V, 5 A AC. Then

both the current and voltage are peak values

both the current and voltage are rms values

the current is peak value and voltage is rms value

the current is rms value and voltage is peak value

⇒

*N*-type silicon is obtained by doping silicon with

germanium

aluminium

boron

phosphorus

⇒ Consider the differential amplifier shown in figure. (Assume β is very hi

5 V

10 V

15 V

30 V

⇒ Both ROM and RAM can be accessed randomly.

TRUE

FALSE

⇒ Consider the following rules in Fortran

- A signed or unsigned real variable name or a real constant is a real expression.
- Two real expressions connected by an arithmetic operator is a real expression.
- A real variable or constant exponential by an integer constant or integer variable is not valid

All

1 and 2 only

1 and 3 only

2 and 3 only

⇒ The impulse response

*h*(

*t*) of a linear time-invariant continuous time system is described by

*h*(

*t*) = exp (a

*t*)

*u*(

*t*) + exp (β

*t*)

*u*(-

*t*), where

*u*(

*t*) denotes the unit step function, and a and β are constants. This system is stable if

a is positive and β is positive

a is negative and β is negative

a is positive and β is negative

a is negative and β is positive

⇒ The log magnitude curve for a constant gain K is a

horizontal straight line

horizontal straight line of magnitude 20 log K decibels

an inclined line having slope K

an inclined line having slope -K

⇒ The circuit consisting of two transistor connected in series with the d.c. supply voltage is called

push pull

differential pair

stacked V

^{+}

complementary symmetry

⇒ The coding system generally used in digital telemetry is

PPM (Pulse position modulation)

PAM (Pulse amplitude modulation)

PCM (Pulse code modulation)

PDM (Pulse duration modulation)

⇒ A 1000 kHz carrier is simultaneously modulated by 300 Hz and 2 kHz audio sine wave. Which of the following frequencies will not be present in the output?

998 kHz

999.7 kHz

1000.3 kHz

700 kHz