Assignment # 4

Instructions : Your assignment must be uploaded/submitted before or on 16^th June 2011.

• Your assignment must be in .doc format.(Any other formats like scan images, PDF, Zip, rar, bmp, docx etc will not be accepted)
• Save your assignment with your ID (e.g. bc020200786.doc).
• No assignment will be accepted through email.

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

• The assignment is submitted after due date.
• The submitted assignment does not open or file is corrupted.
• Your assignment is copied from internet, handouts or from any other student (Strict disciplinary action will be taken in this case).

Question 1:       [5]

A telephone line normally has bandwidth of 5000 Hz, the signal to noise ratio is usually 25dB.Calculate the capacity of the channel?

Question 2:        [10]

Why Digital transmission is preferred over analog transmission justify your answer with solid reasons?

Note:

• Your answer must follow the below given specifications. Marks will be deducted if you do not follow these instructions.

• Font style: “Times New Roman”
• Font color: “Black”
• Font size: “12”
• Bold for heading only.
• Font in Italic is not allowed at all.
• You should consult recommended books to clarify your concepts.
• It’s better for you to submit the assignment well before the deadline.
• Do not put any query at MDB about this assignment, if you have any query then  email at

CS601@vu.edu.pk