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Q1. | For a Mod 64 parallel counter we need |

A. | 6 flip flops [Wrong Answer] |

B. | 6 flip flops and 2 AND gates [Wrong Answer] |

C. | 6 flip flops and 4 AND gates [Correct Answer] |

D. | none of the above [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 :**

⇒ Tropospheric scatter is used with frequencies in the

HF

VHF

UHF

VLF

⇒ What is typical bandwidths of a 2-wire telephone line?

300 Hz to 3.4 kHz

20 Hz to 4 kHz

dc to 4 kHz

20 Hz to 20 kHz

⇒ A dc machine has 6 poles all connected in series. Each pole has 9 H inductance and field current is 2 A. Total inductance and total energy stored are

9 H and 18 J

18 H and 36 J

54 H and 108 J

108 H and 216 J

⇒ Which of the following is also called Non volatile RAM?

Shadow RAM

UVEPROM

EEPROM

Both (b) and (c)

⇒ UHF range is

3 to 30 MHz

30 to 300 MHz

300 to 3000 MHz

3000 to 30000 MHz

⇒ For a = - 1, find the value of V

_{2∞0V1none of the above}

⇒ When a source is delivering maximum power to a load through a network, the ratio of power delivered to the source power

may be 50% or less than 50%

is 50%

may be 50% or more than 50%

may be 50% or more less than 50%

⇒ An ungrounded antenna near the ground

is horizontally polarized

acts as an antenna array

acts as a single antenna of twice the height

is not likely to need an earth mat

⇒

Match the following:

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

A. | TTL | 1. | Low propagation delay |

B. | ECL | 2. | Low power consumption |

C. | MOS | 3. | High packing density |

D. | CMOS | 4. | Saturated bipolar logic |

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

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

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

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

⇒ An FM transmitter delivers 80W to a load of 30 W when no modulation is present. The carrier is now frequency modulated by a single sinusoidal signal and the peak frequency deviation is so adjusted to make the amplitude of the second sideband is zero in the given out

5.12 W

21.78 W

2.56 W

16.81 W

⇒ In a piezoelectric crystal, application of a mechanical stress would produce

plastic deformation of the crystal

magnetic Dipoles in the crystal

electric polarization in the crystal

shift in the Fermi level

⇒ In 8085 microprocessor, how many lines are there in address bus?

6

8

12

16

⇒ A balun provides an impedance transformation of

0.667361111111111

0.334027777777778

0.167361111111111

0.0840277777777778

⇒ Noise generated in a resistor is also known as

partition noise

white noise

thermal noise

shot noise

⇒ The number of distinct Boolean expressions of 3 variables is

8

256

64

7

⇒ In which

*n*type device does

*p*substrate extend upto silicon dioxide layer?

JFET

Depletion type MOSFET

Enhancement type MOSFET

Both (b) and (c)

⇒ The statement ! (

*b*< 5) in C means

*b*= 5

*b*> 5

*b*> = 5

none of the above

⇒ Panel instruments are generally mounted vertically.

TRUE

FALSE

⇒ If a function Z(

*s*) has a pole at infinity, then

the degrees of numerator and denominator are equal

the degree of numerator is one higher than that of denominator

the degree of denominator is one higher than that of numerator

the difference between the degrees of numerator and denominator is 0 or 1

⇒ Which of the following is a valid variable in FORTRAN 77?

0.125

ALPHA -3

ALPHA 3

BALPHAC

⇒

Match the following:

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

A. | LED | 1. | Heavy Doping |

B. | Avalanche Photodiode | 2. | Coherent Radiation |

C. | Tunnel diode | 3. | Spontaneous Emission |

D. | LASER | 4. | Current gain |

A-2, B-4, C-3

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

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

A-2, B-1, C-4, 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 state equations are in the form

X = AX + BW

X = AX + Bu

X = AX + Bx

either (a) or (b)

⇒ In figure, the effective capacitance between A and

2 μF

4 μF

8 μF

10 μF

⇒ Secondary emission occurs in

diode

triode

tetrode

pentode

⇒ Which of the following configuration has low thermal stability?

CB

CC

CE

All have identical thermal stability

⇒ The number of valence electrons in donor impurity are

5

4

3

1

⇒ In figure, I

_{D}= 4 mA. Then V

_{S20 V16 V6 V0.6 V}

⇒ For a two port network to be reciprocal

Z

_{11}= Z

_{22}

*y*

_{12}=

*y*

_{21}

*h*

_{21}= -

*h*

_{12}

AD - BC = 0

⇒ The total area under the probability distribution curve is

1

0

depend upon curve equation

∞