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Q1. | The general purpose register code for accumulator in 8085 is |

A. | 111 [Correct Answer] |

B. | 0 [Wrong Answer] |

C. | 1 [Wrong Answer] |

D. | 1111 [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss 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 :**

⇒ To make antenna more directional, either its size must be increased or

the number of its feed horns must be increased

the frequency of its transmission must be increased

its effective isotropic radiated power (EIRP) must be increased

its footprint must be increased

⇒ A multivibrator generates

sinusoidal waveforms

non-sinusoidal waveforms

both (a) and (b)

none of the above

⇒ If velocity of sound waves in air at 0°C is 330 m/s, the velocity at 40°C is about

330 m/s

334 m/s

353 m/s

380 m/s

⇒ If the poles lie in second quadrant, damping ratio is

1

less than 1

zero

more than 1

⇒ In a cascade amplifier, the intermediate stages are always in

CC configuration

CB configuration

CE configuration

any of the above

⇒ A nibble corresponds to

2 successive bits of data

4 successive bits of data

8 successive bits of data

16 successive bits of data

⇒ If

*f*(-

*t*) =

*f*(

*t*), the function

*f*(

*t*) has only cosine terms.

TRUE

FALSE

⇒ Most electromagnetic transmission in rectangular wave-guide uses

TE

_{10}mode

TE

_{01}mode

TE

_{20}mode

TE

_{11}mode

⇒ Consider the following

- Maximum energy of electrons liberated photoelectrically is independent of light intensity
- Maximum energy of electrons liberated photoelectrically varies nonlinearly with frequency of incident light.

(1) is true and (2) is false

(1) and (2) both are true

(1) is false and (2) is true

(1) and (2) both are false

⇒ For a good voltage amplifier, its input impedance should be

low as compared to the resistance of the source

high as compared to the resistance of the source

always inductive

always capacitive

⇒ SHF range is

30 - 300 MHz

300 - 3000 MHz

3000 - 30000 MHz

30000 - 300000 MHz

⇒ The main advantage of a crystal oscillator

can oscillate any frequency

gives a high output voltage

frequency of oscillation is almost constant

can operates at a low dc voltage

⇒ For a system with transfer funct

2.828

5.2915

5.088

cannot be determined

⇒ If X(

*z*) = 2

*az*

^{-1}/(1 -

*az*

^{-1})

^{3}and |

*a*| < |

*z*|, then the initial value

*x*

_{0}is

0

1

∞

2

⇒ An ammeter is

secondary instrument

absolute instrument

recording instrument

integrating instrument

⇒ Hay's bridge is suitable for inductances having low L/R ratio.

TRUE

FALSE

⇒ RF amplifiers are used in radio receivers for

improved image frequency rejection

improved rejection of adjacent unwanted signals

prevention of re-radiation of the local oscillator through the antenna of the receiver

all of the above

⇒ Values of V

_{T}at 20°C for an ideal P-N diode

25.27 mV

30.3 mV

23 mV

50 mV

⇒ Two numbers in excess-3 code are added and the result is less than 8. To get equivalent binary

0011 is subtracted

0011 is added

0110 is subtracted

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⇒ The type of feedback in the following circuit diag

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Current-shunt

Voltage series

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⇒ By connecting external resistances to a differential amplifier we can adjust

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bandwidth

both voltage gain and bandwidth

none of the above

⇒ The impulse response

*h*(

*t*) of a linear invariant continuous time system is given by h(

*t*) = exp (- 2

*t*)

*u*(

*t*), where

*u*(

*t*) denotes the unit step function. The output of this system to the sinusoidal input

*x*(

*t*) = 2cos(2

*t*) for all time

*t*, is

0

2

^{-0.25}cos (2

*t*- 0.125p)

2

^{-0.5}cos (2

*t*- 0.125p)

2

^{-0.5}cos (2

*t*- 0.25p)

⇒ In the circuit of fi

V

_{a}would always lag V

_{b}

V

_{a}would always lead V

_{b}

V

_{a}and V

_{b}can be in phase

phase angle between V

_{a}and V

_{b}would always be 90°

⇒

**Assertion (A):** The 'do while' statement is used less frequently than the 'while' statement.

**Reason (R):** For most applications it is more natural to test for continuation of loop at the beginning than at the end of loop.

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 correct R is wrong

A is wrong R is correct

⇒ When satellite radio beam is aimed towards earth, it illuminates on the earth for an oval shaped area called

foot print

beam area

satellite service area

radiated area

⇒

Match the following:

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

A. | Ratio of maximum energy stored to energy dissipated per cycle | 1. | Propagation constant |

B. | TEM mode is loss less medium | 2. | Cutoff frequency is zero |

C. | Ratio of frequency in radian to phase velocity of EM wave | 3. | Quality factor of cavity |

D. | TEM is the mode of lowest cutoff frequency | 4. | Cylindrical waveguide |

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

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

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

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

⇒ Fermi level is the maximum energy that an electron can possess at 0 K.

TRUE

FALSE

⇒ The advantage of Weinbridge oscillator over the phase shift oscillator is that oscillator the frequency may be varied over a range of

0.0430555555555556

0.04375

0.0451388888888889

0.0486111111111111

⇒ The damping ratio of a pair of complex poles when expressed in terms of angle θ measured from

*j*ω axis equal to

sin θ

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tan θ

cot θ

⇒ In the circuit shown, all the transmission line sections are lossless. The Voltage Standing Wave Ration (VSWR) on the 60W lin

1

1.64

2.5

3