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Q1. | Consider the following program for 8085 |

A. | decimal 20 [Wrong Answer] |

B. | decimal 40 [Correct Answer] |

C. | decimal 10 [Wrong Answer] |

D. | none of the above [Wrong Answer] |

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

⇒ A second order active bandpass filter can be obtained by cascading LP second order filter having higher cut off frequency

*f*

_{OH}with a second order HP filter having lower cut off frequency

*f*

_{OL}provided

*f*

_{OL}<

*f*

_{OH}

*f*

_{OL}>

*f*

_{OH}

*f*

_{OH}=

*f*

_{OL}

*f*

_{OH}< 0.5

*f*

_{OL}

⇒ 10's complement of 16

_{10}is

83

_{10}

84

_{10}

38

_{10}

48

_{10}

⇒ Choose the function

*f*(

*t*), - ∞ <

*t*< + ∞, for which a Fourier series cannot be defined

3 sin (25

*t*)

4 cos (20

*t*+ 3) + 2 sin (10

*t*)

exp - | t | sin 25

*t*

1

⇒ The percentage saving in power of 100% modulated suppressed carrier AM signal is

100

75

66.6

50

⇒ A system has 12 poles and 2 zeros. Its high frequency asymptote in its magnitude plot has a slope of

-200 dB/decade

-240 dB/decade

-280 dB/decade

-320 dB/decade

⇒ The effect of the inductance of a coil on a constant direct current is that

it does not effect the constant direct current

it decreases the current

it strengthens the current

it causes a higher voltage drop

⇒ In figure the potential of gate termina

4 V

-4 V

0

20 V

⇒ Skip distance depends on time of day and angle of incidence.

TRUE

FALSE

⇒ The main advantage of CMOS circuit is

high gain

high output impedance

low power consumption

high gain and high output impedance

⇒

**Assertion (A):** Divide-64 counter is a Mod-64 counter and divides the input frequency by 64

**Reason (R):** A Mod 64 counter can be obtained by cascading Mod 16 and Mod 4 counters.

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 true, R is false

A is false, R is true

⇒ A switch tail ring counter is made by using a single D FF. The resulting circuit is a

SR FF

JK FF

D FF

T FF

⇒ Which one is discrete time periodic signal?

sin 3p

*n*

cos 2p

*n*

sin 3p

*n*

all

⇒ The Z parameters Z

_{11}and Z

_{21}for the 2-port network in the fig

Z

_{11}= - 6/

_{11}Ω; Z

_{21}= 16/

_{11}Ω

Z

_{11}= 6/

_{11}Ω; Z

_{21}= 4/

_{11}Ω

Z

_{11}= 6/

_{11}Ω; Z

_{21}= - 16/

_{11}Ω

Z

_{11}= 4/

_{11}Ω; Z

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⇒ For the logic circuit shown in figure, the simplified Boolean expression for the output

A + B + C

AB

B

C

⇒

Match the following:

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

A. | Detection of a periodic signal in noise | 1. | Increase in bandwidth |

B. | Recovery of a band limited signal from its uniformly sampled values | 2. | Slope overload error |

C. | Finer quantization of signal | 3. | Nyquist rate |

D. | Delta modulation | 4. | Cross correlation |

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

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

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

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

⇒

*n*-type semiconductors

are negatively charged

are produced when indium is added as impurity to germanium

are produced when phosphorus is added as impurity to silicon

none of the above

⇒ The mass of proton and electron are

1.672 x 10

^{-26}kg and 9.107 x 10

^{-31}kg respectively

9.107 x 10

^{-26}kg and 9.107 x 10

^{-31}kg respectively

9.107 x 10

^{-29}kg and 9.107 x 10

^{-31}kg respectively

9.107 x 10

^{-30}kg and 9.107 x 10

^{-31}kg respectively

⇒ A discrete zero memory information source has 40 symbols and each symbol is equally likely. The minimum number of bits required to code the source with uniform length code and entropy of the source are

5 and 5.03

6 and 5.83

5 and 6.64

6 and 5.32

⇒ Calculate the resistivity of

*n*-type semiconductor from the following data, Density of holes = 5 x 10

^{12}cm

^{-3}. Density of electrons = 8 x 10

^{13}cm

^{-3}, mobility of conduction electron = 2.3 x 10

^{4}cm

^{2}/ V-sec and mobility of holes = 100 cm

^{2}/V-sec.

0.43 Ω-m

0.34 Ω-m

0.42 Ω-m

0.24 Ω-m

⇒ If damping ratio is 0.5, the lines joining complex poles with origin are inclined to negative real axis at

± 90°

± 60°

± 45°

± 30°

⇒ In a transistor CE mode, V

_{CC}= +30 V. If the transistor is in cut off region, V

_{CE}=

+30 V

+20 V

10 V

zero

⇒

`JCOKE`

8

11

16

20

⇒ Internet is a worldwide network of computers where most of the information is freely available.

TRUE

FALSE

⇒ The forms of IF statements in FORTRAN 77 are called

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logical IF, block IF and arithmetic IF

logic IF, block IF, arithmetic IF and negate IF

logical IF and arithmetic IF

⇒ Mc Murray full bridge inverter uses

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8 thyristors and 4 diodes

8 thyristors and 8 diodes

⇒ Match the following:

List I List II A. Reflex Klystron 1. High efficiency B. Dielectric loaded wave guide 2. Slow wave structure C. TWT 3. Cross field device D. Multi Cavity Klystron 4. Oscillator

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

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

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

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

⇒ The contents of the program counter after the call operation point to the first instruction on

stack

subroutine

either of the above

none of the above

⇒ The resistance of a dc galvanometer is 20 Ω. A current of 10 mA causes full scale deflection. To convert it into 0-300 V voltmeter, we have to use a series resistance of

30000 Ω

29980 Ω

6000 Ω

15 Ω

⇒ For a two port network to be reciprocal

Z_{11} = Z_{22}

*y*_{12} = *y*_{21}

*h*_{21} = - *h*_{12}

AD - BC = 0

⇒ SSI refers to ICs with

less than 12 gates on the same chip

less than 8 gates on the same chip

less than 6 gates on the same chip

less than 3 gates on the same chip

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