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Q1. | In 8085 microprocessor, if instruction RST is written in a program then the program will jump to location |

A. | 0020 H [Wrong Answer] |

B. | 0024 H [Wrong Answer] |

C. | 0028 H [Correct Answer] |

D. | 002 CH [Wrong Answer] |

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

⇒ If

*f*(

*t*) ↔ F(

*j*ω),

*f*(-

*t*) ↔

- F(

*j*ω)

F(-

*j*ω)

F(

*j*ω)

0.5 F(

*j*ω)

⇒ Each frequency in the modulating wave gives rise to four side bands.

TRUE

FALSE

⇒ Which of the following theorems enables a number of voltage (or current) sources to be combined directly into a single voltage (or current) source?

Superposition theorem

Compensation theorem

Millman's theorem

Thevenin's theorem

⇒ Reflectors and lens antennas are commonly used

in LF communication systems

not beyond 100 kHz

in the range 10 MHz to 100 MHz

above 100 MHz

⇒ A linear time-invariant, causal continuous time system has a rational transfer function with simple poles at

*s*= - 2 and

*s*= - 4, and one simple zero at

*s*= - 1. A unit step

*u*(

*t*) is applied at the input of the system. At steady state, the output has constant value of 1. The impulse response of this system is

[exp (- 2

*t*) + exp (-4

*t*)]

*u*(

*t*)

[-4 exp (- 2

*t*) + 12 exp (-4

*t*) - exp (-

*t*)]

*u*(

*t*)

[-4 exp (- 2

*t*) + 12 exp (-4

*t*)]

*u*(

*t*)

[-0.5 exp (- 2

*t*) + 1.5 exp (-4

*t*)]

*u*(

*t*)

⇒ In the given circuit, V

_{1}= 40 V when R is 10 Ω. When R is zero, the value of V

_{2}wil

40 V

30 V

20 V

10 V

⇒ Which one of the following statements is not a property of RL driving point impedance?

The first critical frequency at the origin is a zero

The last critical frequency is a pole

The impedance at S = ∞ always less than the impedance at S = zero

The slope of the impedance curve is positive at all points

⇒ The input voltage for starting oscillations in an oscillator is caused by

negative feedback

positive feedback

noise voltage in resistors

a special generator

⇒ The range of value "

*a*" for which system will be stable. If impulse response of DT system is =

*a*

*∪[*

^{n}*n*]

*a*> 1

*a*< 1

1 <

*a*< ∞

-1 <

*a*< 1

⇒ Intel 2004 is a

ROM

Volatile RAM

NV RAM

None of the above

⇒ An ac tachometer has a drag cup construction so that

rotor inertia is low

rotor body is conducting

rotor is easy to fabricate

both (a) and (b)

⇒ In a transistor β

_{dc}is likely to vary between 100 and 400. The proper value of β

_{dc}to be used to located Q point is

100

400

250

200

⇒ X and Y are two random variable and Z = X + Y. Let σ

_{x}^{2}, σ

_{y}^{2}and σ

_{z}^{2}be variance of X, Y and Z. Then

σ

_{z}^{2}= σ

_{x}^{2}+ σ

_{y}^{2}

σ

_{z}^{2}≤ σ

_{x}^{2}+ σ

_{y}^{2}

σ

_{z}^{2}< σ

_{x}^{2}+ σ

_{y}^{2}

σ

_{z}^{2}> σ

_{x}^{2}+ σ

_{y}^{2}

⇒ The five flags in 8085 are designated as

Z, CY, S, P and AC

D, Z, S, P, AC

Z, C, S, P, AC

Z, CY, S, D, AC

⇒ Consider the following logical IF statement in Fortran 77

IF (SALT - PEPPER) 13, 11, 11

IF (SALT - PEPPER) 13, 13, 11

IF (SALT - PEPPER) 11, 13, 13

⇒ For a = - 1, find the value of V

_{2∞0V1none of the above}

⇒ TE

_{10}mode of propagation of electromagnetic energy in waveguides can be thought of as

three TEM waves travelling along length of wave-guide

One TEM wave travelling along length of wave guide and one TEM wave propagation in the transverse plane

One TEM wave travelling along the length of wave guide and two TEM waves

none of the above

⇒ In a half bridge inverter, the freewheeling diodes are needed

even when load is resistive

only when load is inductive

only when load is inductive or capacitive

for all types of loads

⇒

Match the following:

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

A. | R = 0 | 1. | Undamped oscillation |

B. | R < 2 L/C | 2. | Damped oscillation |

C. | R = 2 L/C | 3. | Critically damped response |

D. | R > 2 L/C | 4. | Non-oscillatory response. |

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

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

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

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

⇒ In a practical current source, the load current

is always equal to source current

is always less than source current

is always equal to or less than source current

cannot be higher than source current

⇒ In a simple on-off controller with differential gap, the magnitude of differential gap determines

the level of accuracy

the life of controller

both (a) and (b)

neither (a) nor (b)

⇒

**Assertion (A):** SSB transmitter is generally smaller than AM transmitter

**Reason (R):** SSB systems mostly use combined transmitter receiver.

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

A is wrong but R is correct

⇒ The number of bits in ASCII is

12

10

9

7

⇒ A geosynchronous satellite

has the same period a that of the Earth

has a circular orbit

rotates in the equatorial plane

has all of the above

⇒ The first contribution to logic was made by

George Boole

Copernicus

Aristotle

Shannon

⇒ Which of the following materials has the highest electrical conductivity?

Steel

Silver

Aluminium

Zinc

⇒ In the integer expression

`- A * B div C + D`

which operation is done first in Pascal-

*

div

+

⇒ A-P type material has an acceptor ion concentration of 1 x 10

^{16}per cm

^{3}. Its intrinsic carrier concentration is 1.48 x 10

^{10}/ cm. The hole and electron mobilities are 0.05m

^{2}/V-sec and 0.13 m

^{2}/V-sec respectively calculate the resistivity of the material

12.5 Ω-cm

1.25 Ω-cm

0.125 Ω-cm

125 Ω-cm

⇒ PAL stands for

Phase Attenuation by Line

Phase Alternation by Line

Parabolic Alternation by Line

Picture Alternation by Line

⇒ Beamwidth of an antenna depends upon

shape of radiation pattern

dimensions

wavelength

all of the above