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. | Parallel adder is |

A. | sequential circuit [Wrong Answer] |

B. | combinational circuit [Correct Answer] |

C. | either sequential or combinational circuit [Wrong Answer] |

D. | none of the above [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 :**

⇒ In which of the following 8085 instructions no condition flags are affected?

`INX `*rp *

`INR `*r*

`SBI data`

`INR M`

⇒ The distance of a synchronous satellite from Earth's surface is __________ km.

300

10000

35900

5

⇒ The Fourier series of a real periodic function has only

- Cosine terms if it is even
- Sine terms if it is even
- Cosine terms if it is odd
- Sine terms if it is odd

(1) and (4)

(1) and (2)

(2) and (4)

(2) and (3)

⇒ For TV broadcast, picture signal is modulated in

SSB

VSB

FM

AM

⇒

Match the following:

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

A. | Ring modulator | 1. | Clock recovery |

B. | VCO | 2. | Demodulation of FM |

C. | Foster Seeley discriminator | 3. | Frequency conversion |

D. | Mixer | 4. | Summing of two points |

5. | Generation of FM | ||

6. | Generation of DSB-SC |

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

A-6, B-5, C-2, D-3

A-6, B-1, C-3, D-2

A-5, B-6, C-1, D-3

⇒ The number of bits of information required to indicate the correct selection of 3 independent consecutive events out of 75 equally probable events is

6.23

18.69

10.46

24.92

⇒ The integral of

*k*δ(

*t*) is

a step function of magnitude

*k*

a step function 'of magnitude 1/

*k*

a ramp of slope

*k*

a ramp of slope 1/

*k*

⇒ It is required to increase the maximum range of a radar by a factor of two. The peak power transmitted in the radar system has to be increased by a factor of

2

4

8

16

⇒ The characteristic equation of a control system is given as

*s*

^{4}+ 8

*s*

^{3}+ 24

*s*

^{2}+ 32

*s*+ K = 0. What is the range of values of K for this system to be stable?

0 ≤ K < 80

0 ≤ K < 100

0 ≤ K < 2300

0 ≤ K < 600

⇒ Nichrome is used in

heater coils

underground cables

overheated wires

lamp filament

⇒ A compiler converts a high level computer program into machine language program.

TRUE

FALSE

⇒ Distances near the skip distance should be used for sky-wave propagation

to avoid the Faraday effect

to avoid tilting

to prevent sky-wave and upper ray interference

so as to exceed the critical frequency

⇒ A bit synchronizer regenerates at the receiver a clock waveform which is

synchronous with original clock waveform

out of phase by 180° with original clock waveform

out of phase by 90° with the original clock waveform

none of the above

⇒ The eigen values of a skew symmetric matrix are

always zero

always pure imaginary

either zero or pure imaginary

always real

⇒ Consider the following statements as regards noise

- If Gaussian noise is applied at input of a rectifier, the output is not gaussian
- The noise encountered on a telephone line consists of short, pulse type disturbances whose amplitude distribution is not Gaussian
- Shot noise results from random emission of electrons from a cathode
- Shot noise results from phenomenon associated with the flow of current across semi conductor junctions

1, 2, 3, only

1, 2, 4 only

1, 2, 3, 4

2, 3 only

⇒

Match the following:

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

A. | Television | 1. | Either AM or FM used |

B. | Radio | 2. | Both AM and FM are used |

C. | Radar | 3. | PCM is used |

D. | Data Communication | 4. | Digital system |

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

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

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

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

⇒ At T = 0, the resistivity of a perfect single crystal of a metal is

0

low

high

finite

⇒ The input 3-dB frequency is :

100 Hz

148 Hz

100 kHz

None

⇒ The pole of a reactive function

lie on

*j*ω axis only

lie on negative real axis only

may lie anywhere on

*s*plane

lie on

*j*ω axis or on negative real axis

⇒ In a phase discriminator

*f*, is the IF to which primary circuit is tuned. Consider the following statements: The primary and secondary voltages are

_{c}- exactly 90° out of phase when input frequency is
*f*_{c} - more than 90° out of phase when input frequency is higher than
*f*_{c} - less than 90° out of phase when input frequency is lower than
*f*_{c}

1 only

1 and 2

1, 2 and 3

2 and 3

⇒ In the figure shown, A

_{1}, A

_{2}, A

_{3}are identical Ammeters. If A

_{1}and A

_{3}read 5 and 13 A respectively, reading of A

_{2}wil

8

13 A

18

0

⇒ For the system in the given fi

*y*=

_{k}*u*+ 0.5

_{k}*y*

_{k - 2}*y*=

_{k}*u*+ 0.5

_{k}*u*

_{k - 2}*y*=

_{k}*u*- 0.5

_{k}*y*

_{k - 2}*y*=

_{k}*u*- 0.5

_{k}*u*

_{k - 2}⇒ Tesla is a unit of

flux

field strength

flux density

MMF

⇒ If the temperature of on extrinsic semiconductor is increased so that the intrinsic carrier concentration is doubled, then

the majority carrier density doubles

the minority carrier density doubles

the minority carrier density becomes 4 times the original value

both majority and minority carrier densities double

⇒ Under ordinary circumstances, impulse noise can be reduced in

FM only

AM only

both AM and FM

none of the above

⇒ The radiation resistance of a doublet antenna of length dl is proportional to

δ

*l*

(δ

*l*)

^{2}

(δ

*l*)

^{3}

(δ

*l*)

^{05}

⇒ The angular location of poles depends on

undamped natural frequency

damping ratio

both (a) and (b)

neither (a) nor (b)

⇒ The operations which occur most frequently in a computer are

fetch

execute

both (a) and (b)

none of the above

⇒ In a transistor which of the following region is very lightly doped and is very thin?

Emitter

Base

Collector

None of the above

⇒ The analog signal given below is sampled by 600 samples per second for

*m*(

*t*) = 3 sin 500 p

*t*+ 2 sin 700 p

*t*then folding frequency is

500 Hz

700 Hz

300 Hz

1400 Hz