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Q1. | An 8085 executes the following instructions |

A. | PC = 2715 H HL = 30A0 H [Wrong Answer] |

B. | PC = 30A0H HL = 2715H [Wrong Answer] |

C. | PC = 6104 H HL = 6140 H [Correct Answer] |

D. | PC = 6140H HL = 2715H [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 :**

⇒ A CE amplifier has a high input signal. In the wave shape of emitter current

positive and negative half cycles will be symmetrical

positive half cycle will be elongated and negative half cycle will be compressed

positive half cycle will be compressed and negative half cycle will be elongated

the half cycles may be either elongated or compressed

⇒

Match the following:

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

A. | Silicon | 1. | is trivalent |

B. | Arsenic | 2. | rarely used as semiconductor |

C. | Indium | 3. | is pentavalent |

D. | Germanium | 4. | intrinsic semiconductor |

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

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

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

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

⇒

Match the following:

List I (Processor in C) | List II (Output) | ||
---|---|---|---|

A. | Preprocessor | 1. | Source code file |

B. | Compiler | 2. | Executable code in machine language |

C. | Linker | 3. | Relocatable object code |

A-1, B-2, C-3

A-2, B-3, C-1

A-3, B-2, C-1

A-1, B-3, C-2

⇒ A dc power supply has no load voltage of 30 V and full load voltage of 25 V at full load current of 1 A. The output resistance and voltage regulation respectively are

5 Ω and 25%

25 Ω and 20%

5 Ω and 16.7%

25 Ω and 16.7%

⇒ Machine cycle is always the same as instruction cycle.

TRUE

FALSE

⇒

**Assertion (A):** The exponential form of Fourierserie

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 true, R is false

A is false, R is true

⇒ Consider the instructions

1 only

1 and 2 only

2 only

3 only

⇒ In 8085 microprocessor, what is the length of PC (program counter)?

6 bits

8 bit

12 bits

16 bits

⇒ The function Z(

*s*) has a pole at infinity if

the degree of numerator and denominator of Z(

*s*) are equal

the numerator of Z(

*s*) is one degree higher than denominator

the denominator of Z(

*s*) is one degree higher than numerator

the degree of numerator and denominator are either equal or differ by one

⇒ V

_{th}= 0, if

there is no independent source in circuit

there is no dependent source in circuit

voltage source of infinite magnitude

none

⇒ In FORTRAN 77 IFIX (-73.2) gives the value

73

-73

-7

-73.2

⇒ If

*f*(-

*t*) =

*f*(

*t*), the function

*f*(

*t*) has only cosine terms.

TRUE

FALSE

⇒ The feedback control system shown in figure is stable for what values of K and

K < 0, T > - 1

K > 0, T > 0

K > 0, T > - 1

K < 0, T > 0

⇒ A logarithmic amplifier has diode in the feedback path.

TRUE

FALSE

⇒ A static induction thyristor

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is a minority carrier device

either a majority carrier or minority carrier device

has a total number of 2 leads

⇒ In Weston frequency meter, the magnetic axes of the two fixed coils are

parallel

perpendicular

inclined at 60°

inclined at 15°

⇒ Consider the following statements about Rhombic antenna

- It is non resonant
- It is a broad band antenna
- It is ideally suited for HF transmission

1, 2, 3

1, 3 only

2, 3 only

1 only

⇒ An RL impedance function is to be synthesised in second Foster form. The proper function to be expanded is

Z(

*s*)

*s*Z(

*s*)

1/Z(

*s*)

Z(

*s*)/

*s*

⇒ Zero bias works only with

D MOSFETs

E MOSFETs

both D and E MOSFETs

neither D nor E MOSFETs

⇒ An RLC series circuit is fed form 100 V ac supply. Inductance is 1 H and Q = 7.5. At resonance, the voltage across inductance is

750 V

100 V

about 13.5 V

1500 V

⇒ Find 'X' in the circuit be

∏(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15)

0

Σ(14)

1

⇒ Find the FSV (full scale voltage) in a 6 bit R-2

*R*ladder D/A converter has a reference voltage of 6.5 V.

6.4 V

0.1 V

7 V

8 V

⇒ The capacitor filter provides poor voltage regulation because

the increase in ripple with load current causes a decrease in average voltage

the increase in ripple with load current causes a increase in average voltage

filter promotes ripple at peak voltage

none of the above

⇒ In a three input AND gate A = 1, B = 1, C = 0 The output Y =

ABC

ABC

ABC

ABC

⇒

**Assertion (A):** Silicon is less sensitive to changes in temperature than germanium.

**Reason (R):** Cut in voltage in silicon is less than that in germanium.

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 but R is false

A is false but R is true

⇒ A system is said to be marginal stable if

poles lies on Real axis

zero lies on Real axis

poles lies on Imaginary axis

zeros lies on origin

⇒ The number of valence electrons in acceptor impurity are

5

4

3

1

⇒ Which of the following is true?

The poisson distribution is limiting case of binomial distribution.

In symmetrical distribution, the mean, median and mode coincide.

Regression is the estimation or production of unknown values of one variables from known values of another variable.

All are true.

⇒ In a high frequency coaxial line and the length of line characteristic impedance is a function of

properties of insulating material only

inner and outer conductor radius only

both (a) and (b)

neither (a) nor (b)

⇒ In figure, D

_{1}turns on

*v*

_{i}is more than V

_{1}

*v*

_{i}is less than V

_{1}

*v*

_{i}is between V

_{1}and V

_{2}

none of the above