Telecom Engineering Quiz


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Telecom Engineering

Telecom Engineering Quiz

1 / 25

An optical fiber has core index of 1.480 and cladding index of 1.478 . What should be the core size for single mode operation at 1310 nm:-

2 / 25

Injection laser have a high threshold current density of:-

3 / 25

What kind  of  support  does  80286  access  in  protected   mode :-

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How are negative   numbers   stored in a  coprocessor:-

5 / 25

The  typical bandwidth f a 2 wire telephone line is  300 Hz  to 3.4 KHz:-

6 / 25

The electronic switching system consist of:-

7 / 25

PUSH POP  mechanism is seen in  _______________:-

8 / 25

When a pentavalent  impurity is added to a pure semiconductor , it becomes:-

9 / 25

___________ offers  external  chips  for  memory  and  peripheral   interface circuits :

10 / 25

The high index contrast enables the PCF  cores to be reduced from around 8μmin conventional fiber to:-

11 / 25

Sampling  frequency  of a  compact  disk is  about ;-

12 / 25

What is the standard form of IPsec;-

13 / 25

AVC  automatically adjust the   volume of an audio signal  with respect to surrounding noise :-

14 / 25

Beta's current ratio is;-

15 / 25

Woofer  has  a  range  from  10 Hz  to  500 Hz ;-

16 / 25

What  is  the  clock frequency   of  Z80 ;-

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__________ can induce a considerable amount of attenuation in optical fiber:-

18 / 25

Quantum well lasers are also known as:-

19 / 25

Power diodes are generally:-

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How many nodes does common channel signaling consist of:-

21 / 25

LCD uses :-

22 / 25

The ratio of switching  capacity divided  by the theoretical maximum  load is known as:-

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Find  the  carrier  frequency   if the inductance  and Capacitance are 30μH and  10 nF  :-

24 / 25

A reverse bias  PN junction has resistance  of the order of:-

25 / 25

Mass of  any moving  system   is  represented  by ;-

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