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Q1. | How many input-output ports can be accessed by direct method of 8085 μp? |

A. | 8 [Wrong Answer] |

B. | 256 [Correct Answer] |

C. | 32 K [Wrong Answer] |

D. | 64 K [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 :**

⇒ If the operating temperature increases by 10°C, the rate of deterioration of solid dielectric becomes

double

one and a half time

3 times

4 times

⇒ DC ampere hour meter is an indicating instrument.

TRUE

FALSE

⇒ For the single rectangular pulse of the given fi

TRUE

FALSE

⇒ A JK flip flop can be converted to D flip flop by

Connecting both J and K terminals to D

Connecting J terminal to D and leaving K open

Connecting K terminal to D and leaving J open

Connecting J terminal to D and K terminal to D through an inverter

⇒ 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

⇒ The depletion layer in a reverse biased

*p*-

*n*junction is due to the presence of

electrons

holes

both electrons and holes

immobile ions

⇒ The two modes of operation of three phase bridge inverters are known as

60° mode and 120° mode

90° mode and 120° mode

120° mode and 180° mode

120° mode and 240° mode

⇒ Antenna beamwidth is

measure of directivity

measure of angle

measure of radiation pattern

measure of power pattern

⇒ The fluctuation in the received signal strength at the receiver of a random variation in the received signal is known as

fluctuation

fading

absorption

cycling

⇒ Which of the following is a better recording medium?

Ferric oxide

Ferrous oxide

Chromium di oxide

Either (a) or (b)

⇒ The noise performance of a square law demodulator of AM signal is

better than that of an envelope detector

better than that of a synchronous detector

identical with that of a synchronous detector

poorer than that of an envelope detector

⇒ In metals, the average drift velocity of electron per unit field is called mobility.

TRUE

FALSE

⇒ The gate electrode in the FET corresponds to the

collector in a bipolar transistor

base in a bipolar transistor

emitter in a bipolar transistor

none of the above

⇒ A waveguide behave as

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low Pass filter

band Pass filter

all Pass filter

⇒ An antenna array pattern is to used for increasing

gain

directivity

directive gain

all

⇒ In figure the voltage drop across the 10 Ω resistance is 10 V. The resistan

is 6 Ω

is 8 Ω

is 4 Ω

cannot be found

⇒

**Assertion (A):** A dc stabilizer has constant output voltage irrespective of variations in input voltage and load current

**Reason (R):** A dc series regulator uses a zener diode across the load to stabilize the output voltage.

Both A and R are correct and R is correct explanation for A

Both A and R are correct but R is not correct explanation for A

A is correct R is wrong

A is wrong R is correct

⇒ Which one of the following rules determines the mapping of

*s*-plane to

*z*-plane?

Right half of the s-plane maps into outside of the unit circle in

*z*-plane

Left half of the

*s*-plane maps into outside of the unit circle.

Imaginary axis in

*s*-plane maps in to the circumference of the unit circle.

All of the above

⇒ The semi-conductor type 2 N 34 indicates

a

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a JFET

a diode with two electrodes

a diode with three electrodes

⇒ As compared to full wave rectifier, a half wave rectifier

has higher ripple factor

has lower ripple factor

may have higher or lower ripple factor

has same ripple factor

⇒ The minimum value of

*h*

_{fe}of a transistor used in RC phase shift oscillator is

54.4

45.4

44.5

29

⇒

Match the following:

List I (BJT amplifier) | List II (Characteristics) | ||
---|---|---|---|

A. | CE | 1. | good voltage gain, good current gain |

B. | CC | 2. | voltage gain less than 1, high current gain |

C. | CB | 3. | current gain less than 1, voltage gain high |

A-1, B-2, C-3

A-1, B-2, C-3

A-3, B-1, C-2

A-3, B-2, C-1

⇒ For overdamped systems a quadratic factor in transfer function can be replaced by two first order factors with real poles

TRUE

FALSE

⇒ A 3 phase induction motor is fed by a 3 phase ac regulator to change the stator voltage. The variation in speed will be more if

load torque is constant

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load torque decreases with increase in speed

either (a) or (b)

⇒ Find the Fourier transform of the half cosine pulse as shown bel

0.5 {sin

*c*[0.25(

*f*- 1)] + sin

*c*[2.5(

*f*+ 1)]}

0.5 {sin

*c*[0.5(

*f*- 1)] + sin

*c*[0.5(

*f*+ 1)]}

0.25 {sin

*c*[0.25(

*f*- 1)] + sin

*c*[0.25 (

*f*- 1)]}

0.25 {sin

*c*[0.5(

*f*- 1)] + sin

*c*[0.5(

*f*- 1)]}

⇒

Match the following:

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

A. | Firm ware | 1. | Converts program in high level language to machine language |

B. | Compiler | 2. | Converts assembly language program into machine language |

C. | Assembler | 3. | Software embedded in hardware |

D. | Virtual addressing | 4. | Grouping information between various memories |

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

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

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

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

⇒ Consider the following stateme

1 and 2 only

1, 2 and 4

2 and 3 only

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⇒ The force in a magnetic field is given by F =

*qv*B

F and

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*v*and B are perpendicular

F and

*q*only are perpendicular to each other

F and

*v*, F and B are mutually perpendicular to each other and

*v*and B at any angle between them

All the four components are perpendicular to each other

⇒ Which of the following pulse modulation is analog?

PCM

Differential PCM

PWM

Delta

⇒ For a second order system with 0 < ξ < 1, the angle which poles make with negative real axis is

sin

^{-1}ξ

cos

^{-1}ξ

tan

^{-1}ξ

cot

^{-1}ξ