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Q1. | In floating point representation, mantissa is expressed in |

A. | excess 3 notation [Wrong Answer] |

B. | gray code [Wrong Answer] |

C. | excess 32 notation [Correct Answer] |

D. | 2's complement [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 :**

⇒ The most important primary force of attraction in the formation of solids is

electromagnetic

electrostatic

quantum-electrostatic

quantum electromagnetic

⇒ Consider the following statements: The function of oxide layer in an IC device is to

- mask against diffusion or non implant
- insulate the surface electrically
- increase the melting point of silicon
- produce a chemically stable protective layer

1, 2, 3 are correct

1, 3, 4 are correct

2, 3, 4 are correct

1, 2, 4 are correct

⇒ Which one of the following is applicable to any network-linear or non-linear, active or passive, time-varying or invariant - as long as Kirchhoff laws are

*not*violated?

Tellegen's theorem

Reciprocity theorem

Maximum power transfer theorem

Superposition theorem

⇒ Out of the following memory types, one that is volatile is

ferrite-core

semiconductor RAM

semiconductor ROM

magnetic disc

⇒ Which of the following options is the closest in meaning to the world be

cyclic

indirect

confusing

crooked

⇒

**Assertion (A):** The velocity of electromagnetic waves on overhead lines and coaxial cables is the same.

**Reason (R):** Free space has an intrinsic impedance of 377 ohms.

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

⇒ In the circuit of figure the current through 5 Ω resistance at

*t*= &infin

0.166666666666667

2.5 A

3.1 A

0

⇒ A 120 V, 30 Hz source feeds a half wave rectifier circuit through a 4 : 1 step down transformer, the average output voltage is

30 V

13.5 V

10 V

7.07 V

⇒ In an SCR, the anode current is controlled by

gate current only

external circuit only

both gate current and external circuit

none of the above

⇒ How many distinct binary trees can be constructed with three nodes?

1

2

3

5

⇒ Consider a multiplexer with X and Y as data inputs and Z as control input. Z = 0 selects input X and Z = 1 selects input Y. What are the connections required to realize the 2-variable Boolean function

*f*= T + R, without using any additional hardware?

R to X, 1 to Y, T to Z

T to X, R to Y, T to Z

T to X, R to Y, 0 to Z

R to X, 0 to Y, T to Z

⇒ Two messages

*m*

_{1}, and

*m*

_{2}have a probability of 0.5 each. The entropy is

0.25

0.5

0.75

1

⇒

Match the following:

List I (Library function in Pascal) | List II (Type of argument) | ||
---|---|---|---|

A. | ROUND X | 1. | X in radians |

B. | ABS X | 2. | X real |

C. | SQR X | 3. | X real or integer |

D. | SIN X |

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

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

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

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

⇒ 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

⇒ Which of the following is an oscillator with best frequency stability?

Crystal oscillator

Clapp oscillator

Phase shift circuit

Multivibrator

⇒ The breakdown voltage in a zener diode

is almost constant

is very small

may destroy the diode

decreases with increase in current

⇒ The inputs to logic gate are 0. The output is 1. The gate is

NAND or XOR

OR or XOR

AND or XOR

NOR or Ex-NOR

⇒ In end fire array the principle direction of radiation

is perpendicular to the array axis

is perpendicular to the array axis and also to the plane containing the array elements

coincides with the direction of the array

is at 45° to the direction of array axis

⇒ Integral control action

removes offset

may lead to oscillatory response

both (a) and (b)

neither (a) nor (b)

⇒ The resonant frequency of an R

_{F}amplifier is 1 MHz and its bandwidth is 10 kHz. The Q factor will be

10

100

0.01

0.1

⇒ A communication channel with additive white Gaussian noise, has a bandwidth of 4 kHz and an SNR of 15. Its channel capacity is

1.6 kbps

16 kbps

32 kbps

256 kbps

⇒ The Fourier series of an odd periodic function contains

odd harmonics only

even harmonics only

cosine harmonics only

sine harmonics only

⇒ The input to an op-amp integrating amplifier is a constant voltage. The output will be

a constant voltage

a sawtooth wave

a ramp

ac voltage

⇒ In low power factor wattmeter, the pressure coil is connected

to the supply side of current coil

to the load side of current coil

in either (a) or (b)

across the mains

⇒ A certain JK FF has

*t*= 12 n sec the largest MOD counter that can be constructed from these FF and still operate up to 10 MHz is

_{pd}any

8

256

10

⇒ A pre-emphasis circuit

boosts base frequencies

pre amplifies the complete audio band

amplifies higher audio frequencies

converts FM into phase modulation

⇒ The reverse voltage applied to a varactor diode

is less than avalanche breakdown voltage

is more than avalanche breakdown voltage

may be more or less than a avalanche breakdown voltage

is very high as compared to avalanche breakdown voltage

⇒ The transfer function of a controller is given as K

_{p}+ K

_{d}.

*s*where K

_{p}and K

_{d}are constants. What type of controller is this?

Proportional

Proportional plus integral

Proportional plus derivative

Integral plus derivative

⇒ For a semiconductor, the conductivity is a function of the products of the number of charge carriers and their mobilites. As result, if the temperature of a slab of intrinsic silicon increases, how does its conductivity vary?

Decreases

Increases

Remains unaffected

Increases or decreases depending upon the rise in temperature

⇒ A microstrip line has dielectric having relative permittivity ∈

*. The effective dielectric constant is*

_{r}more than ∈

_{r}equal to 1

less than ∈

_{r}either

*a*or

*b*