Objective:
To have the understanding of Transmission Impairments
and Performance of Transmission Medium.
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(Strict disciplinary action will be taken in this case). Question No.1:
Consider a noisy channel in which the value of the signaltonoise ratio is 2500 and the channel capacity according to Shannon Capacity formula is 33840 bps. Find its bandwidth? Provide your answer with full calculation and correct unit.
Question No. 2:
Suppose a signal travels through a transmission medium and due to some reasons its power is reduced to quarter. You are required to measures the relative strength of this signal before and after power loss. Provide your answer with full calculation and correct unit.
Note: Give you solution with all relevant calculations in given tables. 
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Question No.1:
Consider a noisy channel in which the value of the signaltonoise ratio is 2500 and the channel capacity according to Shannon Capacity formula is 33840 bps. Find its bandwidth? Provide your answer with full calculation and correct unit.
C=B log2(1+S/N)
B=C/log2(1=S/N)
B=33840/log2(2501)
B=2997.8207H
Q2
Suppose a signal travels through a transmission medium and due to some reasons its power is reduced to quarter. You are required to measures the relative strength of this signal before and after power loss. Provide your answer with full calculation and correct unit.
dB=10 log10(0.25P1/P1)
=10 (0.6)
=6.02
So P2 =6.02
We know that P2 = 0.25 P1
There for P1=P2/0.25
=6.02/0.25
=24
sir plz ap kiyon wrong solution post klarty hain...... plz mis quid to mat karain
sir is main 6 agr second point pe strength ha to, 24 jo ha wo 6 se kam ha to point first pe kasy mumkin ha k second point se ziyada ho gi kam to nahi........
Answer to first I found was: B = 2998 Hz
Second : Before loss: +0dB
After Power loss: 6dB

Question No.1:
Consider a noisy channel in which the value of the signaltonoise ratio is 2500 and the channel capacity according to Shannon Capacity formula is 33840 bps. Find its bandwidth? Provide your answer with full calculation and correct unit.
Calculation 
Bandwidth with proper Unit 


Question No. 2:
Suppose a signal travels through a transmission medium and due to some reasons its power is reduced to quarter. You are required to measures the relative strength of this signal before and after power loss. Provide your answer with full calculation and correct unit.
Calculation 
Relative signal strength before and after power loss with unit 


Note: Give you solution with all relevant calculations in given tables.
Your Assignment must be uploaded/ submitted before or on
31^{st} July 2015, 23:59, 2015
STUDENTS ARE STRICTLY DIRECTED TO SUBMIT THEIR ASSIGNMENT BEFORE OR BY DUE DATE. NO ASSIGNMNENT AFTER DUE DATE WILL BE ACCEPTED VIA E.MAIL).
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This assignment will strengthen the basic idea about the concept of the following distributions:
Assignment No: 2 (Lessons 28 – 30)
Question 1: Marks: 3+4=7
a) A box contains 4 red and 5 white flowers. A random sample of 6 flowers is drawn without replacement from the box. Find the probability that the sample contains 3 red flowers.
b) If X is binomially distributed with mean 8 and variance 4.8, then find the parameters of binomial distribution.
Question 2: Marks: 3+5=8
a) Suppose the number of defective screws produced by a machine per day follows Poisson distribution with parameter 2. What is the probability that, out of the total production of the day, there are at least one defective screw?
b) The Army reports that the distribution of head circumferences among soldiers is approximately normal with mean 23.4 inches and standard deviation 1.4 inches. What percent of soldiers have a head circumference between 21.0 inches and 24.0 inches?
Assignment No: 2 (Lessons 28 – 30)
salam if you ,ve solution of this assignment please.
Question 1: Marks: 3+4=7
a) A box contains 4 red and 5 white flowers. A random sample of 6 flowers is drawn without replacement from the box. Find the probability that the sample contains 3 red flowers.
b) If X is binomially distributed with mean 8 and variance 4.8, then find the parameters of binomial distribution.
Question 2: Marks: 3+5=8
a) Suppose the number of defective screws produced by a machine per day follows Poisson distribution with parameter 2. What is the probability that, out of the total production of the day, there are at least one defective screw?
b) The Army reports that the distribution of head circumferences among soldiers is approximately normal with mean 23.4 inches and standard deviation 1.4 inches. What percent of soldiers have a head circumference between 21.0 inches and 24.0 inches?
Theory of Automata (CS402)
Assignment # 4(Graded)
Total marks = 20
Deadline Date = July 31, 2015
Please carefully read the following instructions before attempting assignment.
Rules for Marking
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Q. Prove the equivalence of the given two FAs by computing (L1 Ç L2^{c})È (L1^{c} Ç L2).
Note: All transition tables are required.
Best of luck!
which one is correct please tell me???
1 Shannon Capacity Formula C=B*log_{2} (1+S/N) Putting the values C=33840*log_{2} (1+2500) C = 381996 bps 2 
Shannon Capacity Formula
C=B*log_{2} (1+S/N)
33840=Blog2(1+2500) 33840=B(11.288) 
33840/11.288 Hz = B
Aaslamu laikum bhai , kia ap log ke sab step bata sakty hain ? is main log2 2501 = ? kasy karain? shukiya
Question No.1:
Consider a noisy channel in which the value of the signaltonoise ratio is 2500 and the channel capacity according to Shannon Capacity formula is 33840 bps. Find its bandwidth? Provide your answer with full calculation and correct unit.
Q2
Suppose a signal travels through a transmission medium and due to some reasons its power is reduced to quarter. You are required to measures the relative strength of this signal before and after power loss. Provide your answer with full calculation and correct unit.
dB=10 log10(0.25P1/P1)
=10 (0.6)
=6.02
So P2 =6.02
We know that P2 = 0.25 P1
There for P1=P2/0.25
=6.02/0.25
=24
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