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The analog signal is given as x(t)= 2 sin 480t + 3 sin 720t. Calculate 1) Maximum Frequency ii) Nyquist Rate iii) Sampling Theroum
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+3
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An analog signal xa (t) = sin(480πt) + 3 sin(720 πt) is sampled 600 times per second.
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anonymous
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Suppose X is N(10, 1). Find (i) P[X > 10.5], (ii) P[9.5 < X < 11], (iii) x such that P[X < x] = 0.95. You will need to use Standard Normal tables?
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Find the net ID and host ID of the following IP Addresses? I. 114.34.2.8 II. 19.34.21.5 III. 23.67.12.1 IV. 127.23.4.0 V. 192.34.5.1
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Computer Networks
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anonymous
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i) State and prove convolution property of DFT. (8) ii) Find the inverse DFT of X(k) = {6, –1 –2j, –2, –1 + 2j}.
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Calculate the checksum for the following bits: Data 1- 0110101111000100 Data 2- 1111010100001101 Data 3- A B C D
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Computer Networks
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anonymous
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A probability function is given by p(0) = 0.3164, p(1) = 0.4219, p(2) = 0.2109, p(3) = 0.0469, and p(4) = 0.0039. Find its mean and variance.
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Maths & Statistics
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Classify the following signals according to whether they are (1) one- or multi-dimen-sional; (2) single or multichannel, (3) continuous time or discrete time, and (4) analog or digital (in amplitude)
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Hardware Systems & Electronics
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Compute the total delay involved for a packet of size 1000 bytes to propagate over a link of distance 3000 km, propagation speed 3.0 x 108 m/s and transmission rate 2 Mbps.
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Computer Networks
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Suppose X is N(µ, σ2 ). For a = 1, 2, 3 find P(|X − µ| < aσ).
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Maths & Statistics
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Suppose X is N(µ, σ2 ). For a = 1, 2, 3 find P(|X − µ| < aσ).
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The time till failure of a part, T years, has the probability density function below and is zero elsewhere, where k is a constant. i. Sketch a graph of the failure rate against time. ii. What does the shape of this graph tell you?
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Software Engineering
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anonymous
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Consider the simple signal processing system shown in Fig. P1.ll. The sampling periods of the AID and DIA converters are 7 = 5 ms and 7' = 1 ms, respectively. Determine the output y,,(r) of the system. if the input is
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anonymous
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Suppose an analog audio signal is sampled 16,000 times per second, and each sample is quantized into one of 1024 levels. What would be the resulting bit rate of the PCM digital audio signal?
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What are the propagation time and the transmission time for a 5-Mbyte message (an image) if the bandwidth of the network is 1 Mbps? Assume that the distance between the sender and the receiver is 12,000 km and that light travels at 2.4 x 108 m/s.
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What is the response of the system, y(n) = x(n-2), to the input 4 points Captionless Image
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Duplicate: Circle the portion of the IP address that would be invalid if it were assigned to a host, and then explain why it is invalid: 1. 131.107.256.80 2. 0.127.4.100 3. 222.222.255.222 4. 190.7.2.0 5. 127.1.1.1 6. 255.255.255.255 7. 198.121.254.255
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anonymous
0
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A 2 Gbps link supports a maximum of 5000 users under circuit switching. At what rate are the users generating data
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Computer Networks
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anonymous
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1
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Suppose X is N(−1, 4). Find (a) P(X < 0); (b) P(X > 1); (c) P(−2 < X < 3); (d) P(|X + 1| < 1)?
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Maths & Statistics
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1
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Suppose X is N(−1, 4). Find (a) P(X < 0); (b) P(X > 1); (c) P(−2 < X < 3); (d) P(|X + 1| < 1).
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Maths & Statistics
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Two events A and B are such that P(A) = 0.5, P(B) = 0.3 and P(A ∩ B) = 0.1. Calculate
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Maths & Statistics
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+2
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1
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Signals will be exchanged between at the___________ of the TCP/IP Model? 1- network layer 2-data link layer 3-physical layer 4-application laye
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anonymous
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1
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Consider the GBN protocol with a sender window size of 4 and a sequence number range of 1,024. Suppose that at time t, the next in-order packet that the receiver is expecting has a sequence number of k
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Explain the following algorithms and discuss how relevant they are in developing artificial intelligence systems that solves problems in the health sector. I. K-Nearest Neighbour II. Support Vector Machine III. Naive Bayes IV. Random Forest
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Programming Languages & Algorithms
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+3
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1
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A process X is a normally distributed population with mean = 14 and variance 16. Determine the probability that 14 objects selected will have mean is greater than 15.2.
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Maths & Statistics
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anonymous
+1
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1
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Determine the minimum sampling rate required to avoid aliasing
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Hardware Systems & Electronics
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anonymous
0
votes
0
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Suppose you wish to prove that the following is true for all positive integers nby using the Principle of Mathematical Induction: 1 + 3 + 5 + ... + (2n -1) =n2(a) Write P(1)
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Maths & Statistics
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anonymous
0
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1
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What is the 32-bit binary equivalent of the IP address 223.1.3.27?
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Computer Networks
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+2
votes
1
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Consider a channel that can lose packets but has a maximum delay that is known. Modify protocol rdt2.1 to include sender timeout and retransmit. Informally argue why your protocol can communicate correctly over this channel.
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1
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If we treat 2 twos complement numbers as unsigned integers for purposes of addition, the result is correct if interpreted as a twos complement number. This is not true for multiplication.Why?
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Given that 0.04% of vehicles break down when driving through a certain tunnel find the probability of (a) no (b) at least two breakdowns in an hour when 2,000 vehicles enter the tunnel?
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Maths & Statistics
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+4
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3
answers
An analog signal contains frequencies up to 10 kHz.
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Hardware Systems & Electronics
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0
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1
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Consider the following network. With the indicated link costs, use Dijkstra’s shortest-path algorithm to compute the shortest path from x to all network nodes. Show how the algorithm works by computing a table similar to Table 4.3.
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vote
1
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An address space uses three symbols: 0, 1, and 2 to represent addresses. If each address is made of 10 symbols, how many addresses are available in this system?
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Computer Networks
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votes
0
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Read the narrative that follows and use it to answer question 5.1 and 5.2. 5.1 Identify all the relationships/business rules. (12) 5.2 Draw a domain class diagram.
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Software Engineering
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anonymous
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1
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Duplicate: Determine the correct class of the following IP addresses: Address Class? 191.107.2.10 172.16.16.15 200.200.5.2 3.3.57.0 131.107.2.89 b) Which address class(es) in above table will allow you to have more than 1000 hosts per network?
asked
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Computer Networks
by
anonymous
+2
votes
1
answer
Imagine a situation where 2 developers are simultaneously modifying 3 different software components. What difficulties might arise when they try to merge the changes that they have made?
asked
in
Software Engineering
by
anonymous
+1
vote
1
answer
What is 2-Dimensional transformation?
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Others
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(user.guest)
+1
vote
1
answer
Duplicate: Suggest four reasons why the productivity rate of programmers working as a pair might be more than half that of two programmers working individually.
asked
in
Software Engineering
by
anonymous
–1
vote
1
answer
Duplicate: Suggest four reasons why the productivity rate of programmers working as a pair might be more than half that of two programmers working individuallyand also discuss the advantages and disadvantages
asked
in
Software Engineering
by
anonymous
–1
vote
1
answer
Duplicate: Suggest four reasons why the productivity rate of programmers working as a pair might be more than half that of two programmers working individually.
asked
in
Software Engineering
by
anonymous
+2
votes
1
answer
Suggest four reasons why the productivity rate of programmers working as a pair might be more than half that of two programmers working individually.
asked
in
Software Engineering
by
anonymous
0
votes
0
answers
Analyze the common social criticisms of marketing (at least 2). use the case
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Others
by
(user.guest)
0
votes
0
answers
An application is to be developed. The effort has been estimated to be 100 Persons-Months. Calculate the number of lines of code and productivity in LOC/Person-Month.
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Software Engineering
by
(user.guest)
0
votes
0
answers
The time till failure of a part, T years, has the probability density function below and is zero elsewhere, where k is a constant
asked
in
Software Engineering
by
anonymous
+1
vote
1
answer
Explain why one type of RAM is considered to be analog and the other digital.
asked
in
Computer Architecture
by
anonymous
+1
vote
0
answers
Determine whether or not each of the following signals is periodic. If the signal is periodic, determine its fundamental period.
asked
in
Hardware Systems & Electronics
by
anonymous
+1
vote
1
answer
Determine whether or not each of the following signals is periodic. In. case a signal is periodic, specify its fundamental period.
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Hardware Systems & Electronics
by
anonymous
+1
vote
0
answers
Extreme programming expresses user requirements as stories. List three user storiesin the support system. Provide details with each stories.
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Others
by
anonymous
+1
vote
1
answer
Three babies are given a weekly health check at a clinic, and then returned randomly to their mothers. What is the probability that at least one baby goes to the right mother?
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in
Maths & Statistics
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(user.guest)
+1
vote
1
answer
Three babies are given a weekly health check at a clinic, and then returned randomly to their mothers. What is the probability that at least one baby goes to the right mother?
asked
in
Maths & Statistics
by
(user.guest)
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