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Q1. | Computers use RC circuit for edge triggering. |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct Answer] |

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

⇒ In a metal the probability of a state 0.1 eV below Fermi level being occupied

is more than the probability of state 0.1 eV above Fermi level being occupied

is the same as the probability of state 0.1 eV above Fermi level being occupied

is less than the probability of state 0.1 eV above Fermi level being occupied

may be equal to or more or less than the probability of state 0.1 eV above Fermi level being occupied

⇒ To measure an emf by dc potentiometer it is necessary to standardise the potentiometer with the help of a standard cell.

TRUE

FALSE

⇒ For a Mod 64 parallel counter we need

6 flip flops

6 flip flops and 2 AND gates

6 flip flops and 4 AND gates

none of the above

⇒ The maximum efficiency of class A amplifier is

1

0.818

0.5

0.4

⇒ Which one of the following is not a characteristic of a ferroelectric material?

High dielectric constant

No hysteresis

Ferroelectric characteristic only above the curie point

Electric dipole moment

⇒ The total number of pins in 8085 are

20

30

40

50

⇒ Pagemaker is an application software for DTP.

TRUE

FALSE

⇒ 8 bit data can have 256 numbers ranging from 00000000 to 111 111 11.

TRUE

FALSE

⇒ How many cascaded stage of CE amplifiers will result in polarity inversion of the input signal?

Two

Three

Four

None

⇒

Match the following:

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

A. | Continuous and aperiodic | 1. | Fourier representation is continuous and aperiodic |

B. | Continuous and Periodic | 2. | Fourier representation is discrete and aperiodic |

C. | Discrete and aperiodic | 3. | Fourier representation is continuous and periodic |

D. | Discrete and periodic | 4. | Fourier representation is discrete and periodic |

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

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

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

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

⇒ In 8085

all operations are on 8 bit data

majority of operations are on 8 bit data

all operations are on 8 bit or 4 bit data

either (a) or (c)

⇒ What is the propagation constant for air filled wave guide with dimensions

*a*= 1.59" and

*b*= 0.795" at 4.95 GHz. The wave impedance is

400.94 Ω

562.94 Ω

502.80 Ω

492.80 Ω

⇒ Junction temperature is always the same as room temperature.

TRUE

FALSE

⇒ The pure capacitor connected across an A.C. voltage consumed 20 W. This is due to

the capacitive reactance in ohms

the current flowing in the capacitor

the fused capacitor was a big one

none of the above

⇒ In the analysis of common emitter amplifier we may neglect

*h*

_{re}

*h*

_{oe}

*h*

_{fe}

*h*

_{ie}

⇒ Polystyrene has a relative permittivity of 2.7. If the wave is incident at an angle θ

_{i}of 30° from air into polystyrene, the angle of transmission will be nearly

0.2°

2°

18°

48°

⇒ In a linear op-amp circuit

the product of gain and bandwidth is constant

input can be dc only

input can be ac only

saturation may occur

⇒ A piezoelectric force transducer has a charge sensitivity of 20 pC/N. It is connected to a charge amplifier and overall gain of transducer and amplifier is 50 mV/N. The gain of amplifier is

1 mV/pC

1.5 mV/pC

2.5 mV/pC

4 mV/pC

⇒ A constant

*k*high pass p section has a characteristic impedance of 300 Ω at

*f*= ∞ . At

*f*=

*f*

_{c}, the characteristic impedance will be

zero

∞

300 Ω

more than 300 Ω

⇒ Which of the following term applies to troposcatter propagation?

SIDs

Faraday rotation

Atmospheric storms

Fading

⇒ The logic circuit of the given figure realizes the func

(A + B + C)(D)(E)

(A + B + C) (D)(E)

(A + B = C) (D)(E)

(A + B + C)(D)(E)

⇒ The HV and other voltage supplies for a TV receiver are obtained from IHVT. The full name for this device is

Internal high voltage transformer

Integrated high voltage transformer

Instant high voltage transformer

Interleaved high voltage transformer

⇒ When a 1 V increase in gate voltage changes the drain current 10 mA in an FET, its

*g*

_{m}equals

10 μμ

100 μμ

1000 μμ

10000 μμ

⇒ Noise generated in a resistor is also known as

partition noise

white noise

thermal noise

shot noise

⇒ In 8085 microprocessor, if interrupt service requests have been received from all of the following interrupts, then which one will be serviced first?

RST 5.5

RST 6.5

RST 7.5

None

⇒ In memory mapped I/O means that

an input or output device is treated by the microprocessor as one memory location

input or output devices are treated as distinct

an address on the address bus may refer either to a memory location or to an I/O device

none of the above

⇒ In figure as the load resistance is cha

the zener current remain constant

the load current remains constant

the output voltage remains constant

the output voltage and current through

*R*remain constant

⇒ At

*t*= ∞; V

_{R2}and V

_{C}wil

4, 4

2, 4

0, 2

2, 0

⇒ If a RAM has 34 bits in its MAR and 16 bits in its MDR, then its capacity will be

32 GB

16 GB

32 MB

16 MB

⇒ Which of the following noise does not occur in transistors?

Partition noise

Shot noise

Flicker noise

Resistance noise