Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | The input to ALU are the contents of accumulator and temporary register. |

A. | TRUE [Correct Answer] |

B. | FALSE [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 :**

⇒ 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

⇒ Fermi level is the amount of energy in which

a hole can have at room temperature

an electron can have at room temperature

must be given to an electron move to conduction band

none of the above

⇒ A constant

*k*high pass filter has

*f*

_{c}= 3000 Hz. At

*f*= 1000 Hz, the phase shift is

zero

p

2 p

more than p

⇒ In a 100 turn coil, if the flux through each turn is (

*t*

^{3}- 2

*t*)

*m*W

_{b}, the magnitude of the induced emf in the coil at a time of 4 sec is

46 mV

56 mV

4.6 V

5.6 V

⇒ In 8085 microprocessor, what is the length of IR (instruction register)?

6 bits

8 bits

12 bits

16 bits

⇒ Directive gain of elementary doublet is

100

10

1.5

0.5

⇒ The maximum power dissipation capacity of a transistor is 50 mW. If the collector emitter voltage is 10 V, what is the safe collector current that can be allowed through the transistor?

5 mA

2.5 mA

10 mA

25 mA

⇒

**Assertion (A):** A *p-n* junction is used as rectifier.

**Reason (R):** A *p-n* junction has low resistance in forward direction and high resistance in reverse direction.

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

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

A is true but R is false

A is false but R is true

⇒ The minimum decimal equivalent of the number 11C0 is

183

194

268

269

⇒ In a coupled coil the primary has 100 turns and secondary has 200 turns. The primary produces, a flux Φ =

*e*

^{-t}. The coefficient of coupling is 1. The voltages induced in secondary is

200

*e*

^{-t}V

200

*e*

^{t}V

200 V

none of the above

⇒ An op-amp is fed from a signal source through resistance R

_{1}. If it is to work as sign changer, the feedback resistance R

_{f}should be

equal to R

_{1}

twice R

_{1}

half R

_{1}

either (b) or (c)

⇒ As compared to bipolar junction transistor, a FET

is less noisy

has better thermal stability

has higher input resistance

all of the above

⇒ If carrier is modulated by a digital bit stream having one of the possible phases of 0°, 90°, 180°, and 270°, then modulation is called

BPSK

QPSK

QAM

MSK

⇒ Frequency band used for radar is generally

VLF

VHF

UHF

EHF

⇒ The capacitance of a capacitor is not affected by

area of plates

thickness of plates

∈

_{r}

distance between plates

⇒ In rectifier circuits, the rms value of ac component of output voltage is equal to

V

_{rms}

0.5 V

_{rms}

(V

_{rms}- V

_{dc})

^{0.5}

(V

_{rms}

^{2}- V

_{dc}

^{2})

^{0.5}

⇒ In a loss line R

_{L}< Z

_{0}, then

Reflection coefficient is zero

Reflection coefficient is ∞

Reflection coefficient is negative

Reflection coefficient is positive

⇒ A moving coil meter has a resistance of 50 ohms and a full scale deflection current of 20 mA. To convert it into a voltmeter of 0-100 V range, the series resistance should be

5000 Ω

5050 Ω

4950 Ω

505 Ω

⇒ The first and second subscripts in models of circular waveguides depict

the number of full sine wave variations in circumference in direction and Bessel function variations in radial direction respectively

the Bessel function variations in radial direction and the number of full sine wave variations in circumference direction respectively

the Bessel function variations in circumference direction and number of full sine wave variations in radial direction respectively

none of the above

⇒ The action of bellows is similar to that of

mass

viscous friction

spring

none of the above

⇒ A lossless 50 Ω transmission line is terminated 30 +

*j*25 Ω, then voltage reflection coefficient and current reflection coefficient are

062 ∠82.88, - 0.62 ∠82.88

10.36 ∠11.296, - 10.36 ∠111.296

0.23 ∠49.1, - 0.23 ∠ + 49.1

- 10.36 ∠111.296, 10.36 ∠111.296

⇒ Effective address is calculated by adding or subtracting displacement value to

immediate address

Relative address

absolute address

base address

⇒ Find

*'X'*in the circuit bel

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

0

Σ(14)

1

⇒ In a 4 bit weighted resistor D/A converter, resistor value corresponding to LSB is 32 k ohm. The resistor value corresponding to MSB is

32 k ohm

16 k ohm

8 k ohm

4 k ohm

⇒ Half wave sysmmetry means

*f*(

*t*) = -

*f*(

*t*± T/2).

TRUE

FALSE

⇒ Transistor are free from which type of noise?

Resistance noise

Partition noise

Flicker noise

Shot noise

⇒ In a bipolar transistor the barrier potential

0

a total of 0.7 V

0.7 V across each depletion layer

0.35 V

⇒

Match the following:

List I (Symbol in java) | List II (Meaning) | ||
---|---|---|---|

A. | & | 1. | Logical AND |

B. | ˆ | 2. | AND |

C. | | | | 3. | XOR |

D. | & & | 4. | Logical OR |

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

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

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

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

⇒ One electron volt is equivalent to

1.6 x 10

^{-10}joule

1.6 x 10

^{-13}joule

1.6 x 10

^{-16}joule

1.6 x 10

^{-19}joule

⇒ Which of the following insulating material is restricted to temperatures below 100°C?

Micanite

Asbestos

Teflon

Polythene