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Q. 1. Following table presents different types of frequencies with frequency ranges. You are required to re-arrange the Column B with respect to Column A                                                                   [5 Marks]

 

 

Column A

Column B

Sr. No

Name

Frequency Range

1

VLF

300MHz to 3GHz

2

EHF

30MHz to 300MHz

3

UHF

3GHz to 30GHz

4

VHF

3 KHz to 30KHz

5

SHF

30GHz to 300GHz

 

 

 

 

 

 

 

 

 

 

Q. 2. Usually Satellite Systems are categorized according to their orbital distance as GEO, LEO and MEO. Compare these satellite systems in the following table according to their features.              [10 Marks]

 

 

 

GEO

LEO

MEO

Type / Name of Orbit

 

 

 

Distance from Earth (aprx. in miles)

 

 

 

Usage /Application

 

 

 

Time take to complete one cycle around the earth (aprx. in hours)

 

 

 

 

 

 

 

 

Q. 3. Suppose a research institute wants to connect its main office with the testing site 2 miles away. The institution wants an economical solution using Fiber Optics.

Suppose you are the IT consultant of this institution, considering the above mentioned scenario, answer the following questions.                                                                                                                  [2+3=5 Marks]

 

 

a)      Which type / mode of fiber; will you choose to provide an economical solution? ( Just write name)                                                                               

b)      Why will you not choose the other type /mode?  Give Reasons.                                                   

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note:

 

  • Assignment should be in your own wordings not exactly copied from Internet, handouts or books.

 

  • Your answer should be “to the point”.

 

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Q. 1. Following table presents different types of frequencies with frequency ranges. You are required to re-arrange the Column B with respect to Column A                                                                   [5 Marks]

 

 

Column A

Column B

Sr. No

Name

Frequency Range

1

VLF

300MHz to 3GHz

2

EHF

30MHz to 300MHz

3

UHF

3GHz to 30GHz

4

VHF

3 KHz to 30KHz

5

SHF

30GHz to 300GHz

 

 

 

 

 

 

Q. 2. Usually Satellite Systems are categorized according to their orbital distance as GEO, LEO and MEO. Compare these satellite systems in the following table according to their features.              [10 Marks]

 

GEO

LEO

MEO

Type / Name of Orbit

Communication/geostationary orbit, or Geostationary Earth Orbit (GEO)

Low earth orbit

Medium earth orbit

Distance from Earth (aprx. in miles)

 22300 miles aprx

1,240 miles aprx

1,243 miles aprx

Usage /Application

 These satellites have revolutionized global communications, television broadcasting and weather forecasting, and have a number of important defense and intelligence applications.

 For Communication purpose/ Communications satellites, Earth monitoring satellites, International Space Station.

 For Navigation/GPS, Communications satellites that cover the North and South Pole are also put in MEO.

Time take to complete one cycle around the earth (aprx. in hours)

Rotate with same speed as earth

2 hours aprx

2 to 8 hours apr

 

r u sur the solution is write can u agree.

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