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Assignment No. 4
Semester Spring 2012
Data Communication - CS601

 

Total Marks: 20

 

Due Date: 21-06-2012

 

Objective: To understand the Guided Media and Satellite Communication

Instructions:

Please read the following instructions carefully before solving & submitting assignment:

Assignment should be in your own wordings not copied from net, handouts or books.

It should be clear that your assignment will not get any credit (marks) if:

 

  • The assignment is submitted after due date.
  • The submitted assignment does not open or file is corrupt.
  • The assignment is copied (from other student or copied from handouts or internet).
  • Student ID is not mentioned in the assignment File or name of file is other than student ID.

 

For any query about the assignment, contact at cs601@vu.edu.pk

 

GOOD LUCK

 

 

 

 

 

 

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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Please Discuss here about this assignment.Thanks

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ok u right tariq bhi

Q Ni 1.

     VLF = 3 KHz to 30KHz

     VHF = 30 Mhz to 300 Mhz

     UHF = 300MHz to 3GHz

     EHF =3GHz to 30GHz

     SHF =30GHz to 300GHz

mistakes in above post

Right answer is SHF= 3GHZ to 30GHz and EHF=30GHz to 300GHz

ye lo yar 2 questions ka exct soltion he

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complete nei

Q.No3 ka ans kahan he ???

is ma mulitple mode fiber aya ga

ans of q no 1.this is 100%correct ans

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hi friend plz tell me the 2nd q is true?me nay try to kia plz reply

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Bro plz doc main file convert kar k upload krain. thanx

dear distancs mils ma kha ha sir na or end ma time kha ha na just

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