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Q1. | In register index addressing mode the effective address is given by |

A. | index register value [Wrong Answer] |

B. | sum of the index register value and the operand [Correct Answer] |

C. | operand [Wrong Answer] |

D. | difference of the index register value and the operand [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss 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 :**

⇒ Two sinusoidal waves 1 and 2 have peak values V

_{m1}and V

_{m2}. Wave 1 is leading wave 2 by ∠θ. Which of the following is correct?

*v*

_{1}= V

_{m1}sin θ and

*v*

_{2}= V

_{m2}cos θ

*v*

_{1}= V

_{m1}sin ω

*t*and

*v*

_{2}= V

_{m2}sin (ω

*t*- θ)

*v*

_{1}= V

_{m1}sin (ω

*t*+ θ/2) and

*v*

_{2}= V

_{m2}sin ω

*t*

none of the above

⇒ According to Barkhausen criteria in order to sustain the oscillations

loop gain of the circuit must be negligible

loop gain of the circuit must be equal to unity

the phase shift around the circuit must be 180°

none of the above

⇒ The log magnitude curve for a constant gain K is a horizontal straight line at a magnitude 20 log K dB.

TRUE

FALSE

⇒ In figure, D

_{2}turns on

*v*

_{i}is more positive than V

_{1}

*v*

_{i}is less positive than V

_{1}

*v*

_{i}is more negative than V

_{2}

*v*

_{i}is less negative than V

_{2}

⇒ Assuming accumulator contain A 64 and the carry is set (1). What will accumulator (A) and carry (CY) contain after ANA A?

A 6 H, 1

A 6 H, 0

00 H, 0

00 H, 1

⇒

**Assertion (A):** Damping in a vibration galvanometer is small.

**Reason (R):** Vibration galvanometer is a PMMC instrument.

Both A and R are true and R is correct explanation of A

Both A and R are true but R is not correct explanation of A

A is true R is false

A is false R is true

⇒ A universal RLC bridge uses

Maxwell bridge for measurement of inductance and De Sauty's bridge for measurement of capacitance

Maxwell's bridge for measurement of inductance and modified De Sauty bridge for measurement of capacitance

Maxwell Wien bridge for measurement of inductance and modified De Sauty bridge for measurement of inductance

Maxwell Wien bridge for measurement of inductance and Wien bridge for measurement of capacitance

⇒ A constant

*k*low pass filter has

*f*

_{c}= 500 Hz. At

*f*= 1000 Hz, the attenuation is

zero

infinity

may be zero or infinity

more than zero but less than infinity

⇒ In a flip flop which input determines the state to which output will transistion?

Control input

Clock input

Both control and clock input

Either control or clock input

⇒ Covalent bond energy in Germanium is approximately

3.8 eV

4.7 eV

7.4 eV

12.5 eV

⇒

Match the following:

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

A. | h_{ie} | 1. | 49 |

B. | h_{re} | 2. | 25 x 10^{-6}siemens |

C. | h_{fe} | 3. | 2.4 x 10^{-4} |

D. | h_{oe} | 4. | 1000 ohms |

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

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

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

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

⇒ If the potential functions V

_{1}and V

_{2}satisfy Laplace's equation within a closed region and assume the same values on its surface, then which of the following is correct?

V

_{1}and V

_{2}are identical

V

_{1}is inversely proportional to V

_{2}

V

_{1}has the same direction as V

_{2}

V

_{1}has the same magnitude as V

_{2}but has different direction

⇒ The noise generated by a resistor depends upon

its operating temperature

its resistance value

both (a) and (b)

bandwidth

⇒ A string of series connected thyristors needs equalising circuit to

ensure proper firing

ensure proper current division

ensure proper voltage division

none of the above

⇒ An open loop system has a forward path transfer function (42.25)/

*s*(

*s*+ 6.5). The unit step response of the system starting from rest will have its maximum value at a time equal to

0 sec

0.56 sec

5.6 sec

infinity

⇒ Microprocessor 386SX is a 16/32 bit microprocessor. It has

16 bit registers and 32 bit data bus

16 bit registers and 16 bit data bus

32 bit registers and 32 bit data bus

32 bit register and 16 bit data bus

⇒ If the op-amp in figure has a unity gain frequency of 1 MHz, the cut off frequenc

100 kHz

1 MHz

10 MHz

90 MHz

⇒ An energy signal has G(

*f*) = 10. Its energy density spectrum is

10

100

50

20

⇒ If E is energy level of electron and E

_{F}is fermi level, and T = 0 and E > E

_{F}, then

the probability of finding an occupied quantum state of energy higher than E

_{F}is zero

all quantum states with energies greater than E

_{F}are occupied

some quantum states with energies greater than E

_{F}are occupied

majority of quantum states with energies greater than E

_{F}are occupied

⇒ The number FF in hexadecimal system is equivalent to number __________ in decimal system.

256

255

240

239

⇒

**Assertion (A):** An on off controller gives rise to oscillation of the output between two limits.

**Reason (R):** Location of a pair of poles on *j*ω axis gives rise to self sustained oscillations in the output.

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 but R is wrong

R is correct but A is wrong

⇒ Which of the following terminations makes the input impedance of a line equal to characteristic impedance Z

_{0}?

line open circuited at far end

line terminated in Z

_{0}

line short circuited at far end

line terminated in inductance

⇒ The noise margin of a TTL gate is about

0.2 V

0.4 V

0.6 V

0.8 V

⇒ In the wave mechanical theory, the maximum of the charge distribution in the ground state occurs for a distance from the nucleus equal to

first Bohr radius

second Bohr radius

third Bohr radius

either first or second Bohr radius

⇒ The addition of

*n*type impurity to intrinsic material creates allowable energy levels.

slightly below conduction band

slightly above conduction band

slightly below valence band

slightly above valence band

⇒ Conductivity σ, mobility μ and Hall coefficient K

_{H}are related as

μ = σK

_{H}

σ = μK

_{H}

K

_{H}= μσ

K

_{H}=(μσ)

^{1.1}

⇒ The circuit diagram shown in the figure consists of transistors

parallel connection

cascade connection

darlington connection

series connection

⇒ In

*n*channel JFET

I

_{D}and V

_{DS}are positive but V

_{GS}is negative

I

_{D}and V

_{GS}are positive but V

_{DS}is negative

V

_{DS}and V

_{GS}are positive but I

_{D}is negative

I

_{D}, V

_{DS}and V

_{GS}are all positive

⇒ An 8 bit transistor register has output voltage of low-high-low-high-low-high-low-high. The decimal number stored is

105

95

85

75

⇒ The amplitude of a random signal uniformly distributed between - 5 V and

0.0333 V

0.05 V

0.0667 V

0.10 V