Lab 3 activity 2 questions

3. Category 5 cable, commonly referred to as CAT-5, is a twisted pair cable for computer networks. The cable standard provides performance of up to 100 MHz. We would like to transmit information over a CAT-5 twisted pair cable at 500 megabits per second (Mbps). (a) Is a signal-to-noise ratio (SNR) of 30 dB adequate to transmit 500 Mbps? (b) What is the SNR required to just adequately transmit at 500 Mbps? Express your answer in decibels for the SNR

(b) Figure Q.4b shows an Adder/Subtractor circuit implemented using Adder Q. The delay for XOR = 2t, OR = AND=1t and cascadable full adder is used for ripple carry adder. Assume inputs X, Y and ADDSUB have arrived at Ot. Analyze the critical path delay for the circuit if:- X[7.4] YI7.4] 4. A[3.0] A[3.0] lo"cle C4 C8 C4 Adder Q co C4 Adder Q co ADDSUB Sum(3.0] Sum[3.0] Z17.4] Figure Q.4b i. Adder Q is a 4-bit Ripple-Carry Adder. Show your analysis in Table Q.4b.i. ii. Adder Q is a 4-bit Carry-Lookahead Adder. Show your analysis in Table Q.4b.ii. Table Q.4b.i Table Q.4b.ii To Node Delay To Node Delay Z3 Z3 С4 С4 Z7 Z7 C8 C8 Page 14 of 21

Photos - Screenshot (46).png 72% / Fullscreen 1.The term SMA represents. 2.F type connectors are used in CCTV systems [True/False]. 3.RG 59 coaxial cable is 10base 5 coaxial cable. [True/False] 4.The segment length for RG11coaxial cable in SAT TV is 5.The segment length for twisted pair cable is 6.UHF connectors are used in public address systems [True/False]. 7.RG 58 thin coaxial cable is 10base 5 coaxial cable. [True/False] 8.The segment length for coaxial cable is 9.The segment length for fiber optic cable is 10.In fiber optics type of signal flows. 10:09 13/12/2021

Consider an LTI system.(Need only handwritten solution please otherwise downvote)

In time the use of the ________ became the more desirable approach because an important parameter of the equivalent circuit was determined by the actual operating conditions rather than using a data sheet value that in some cases could be quite different. a.hybrid b.hybrid-pi c.re d.pi

explain with the help of block diagram the third method of generating of SSB operation.

Differentiate MCB and RCD and Explains its purpose in an installation? hp 近

Give two (2) examples of network management components and their functions?

Q. What are the types of CMKs in AWS KMS?

Design a system that converts a twisted pair line local loop to a 17 channel link between a security estate and a local switch(POTS)

For the following activities, draw the network diagram and by using forward and backward pass, determine:- 1. Project duration. 2. Critical path. Preceding Duration Activity (day) 3 Act. A - -- A 4 C A 2 B E C 1 F C 2 D,E F,G G 4 H. 3

Q. No 3. In a Public Switch Telephone Network (PSTN), how the analog speech signal is converted to digital signal in the PCM? Also highlight the main functions of the given parts in the PSTN figure. Public Switched Trelephone Network PSTN W7CLOUD.COM Central Office

16.a. Which cable specification should you check before burying an outdoor fiber optic cable?A. Nominal weightB. Crush performanceC. Temperature rangeD. Fire rating 16.b. Compared to copper cables, fiber optic cables have the advantage ofA. high electrical conductivity.B. right of way.C. a higher data transfer rate.D. lower costs.

A. What is the advantage of circuit switching over packet switching? Select one: a. Will not require connection set-up in advance b. Packets will be required to queue, making traffic more orderly c. Ensures that there is no contention for the use of resources d. Ensures that the resource capacity is maximized ===================================== B. Evaluate this statement. Considering the different delays in a packet switching network, a transmitted packet will reach its destination. Select one: a. Always true b. False c. Not enough information is given d. Sometimes true

The following questions are related to Open Shortest Path First (OSPF). i. Explain how the routing metric of OSPF is calculated. ii. Write down the OSFP cost of interface type T1. iii. Use the Figure 4.1 below. Fill in the routing table of R1 for the destination network 192.168.2.0. iv. You should be able to detect a problem after answering (iii). Explain the problem and provide a solution to it.

Briefly explain which factors are important for planning a Wireless LAN design for a campus network.

Q4/ Why the performance of multimode graded index is better than multimode step index? Q5/ Design fiber optics communication system with analogue input and then measure the performance of the three types of fiber optics configurations. After that, answer the following questions: 1. Which configuration is the better? Comment! 2. Which parameters that improve the performance of multimode step index? Comment! 3. Which parameters that improve the performance of multimode graded index? Comment! 4. Which parameters that improve the performance of single mode step index? Comment! 5. If we need to increase the fiber length from 1 km to 15 km. which configuration is used? Comment!

1) Assume that a circular cell has 57 channels and a cell radius of 10 km. The transmit power of the base station in this cell is 32 W. The path loss exponent in this cell is assumed to be 4. The grade of service is established to w be a probability of blocking of 5% (assuming blocked calls are cleared). Assume the average call length is two minutes, and each user averages two calls per hour. Further, assume the cell has just reached its maximum w m w m m capacity and must be split into four new microcells to provide four times the capacity in the same area. a) What is the curent user capacity of this cell? wwwm ww m w b) What is the radius and transmit power of the new cells? wwwwww wwwwwm www wwwwwwwwg vwww c) How many channels are needed in each of the new cells to maintain frequency reuse stability in the system? d) If traffic is uniformly distributed, what is the new traffic carried by each new cell? Will the probability of wwwww vww m vww vwwwww wv wwww wwww www wwm w blocking in…

Q.1) What is the type of PCI transaction diagram? Redraw the timing when the IRDY# and TRDY# is ready from cycle 2 to end of transaction and explained the function of each signals appear in diagram. CLK FRAMEN AD Address Data-1 Data-2> Data-3 C/BE# Bus Cmd BE# IRDY# TRDYW DEVSEL# Data Phase Data Data Address Phase Phase Phase

Subject: Computer Networks Note: Please answer in own words. copy from internet will very unhelpful for me. Question:  Explain the timing diagrams of two different connection establishment mechanisms of TCP.

Explain the things that need to be met to get reliability in connectivity and interoperability!

Two engineers have a disagreement over the selection of transmission line for connections within a 100m Data Centre on a project that is at risk for cost overrun. The first engineer is arguing in favor of using multi-mode fibre while the second engineer would like to use single mode fibre. You are the project engineer. Decide which of the two transmission lines to use and justify your answer.

What are the major components of a SCADA system in a Nuclear Power Plant? Provide its functions. State how does a SCADA system in a Nuclear Power Plant works.

Q1/Draw circuit for asynchronous counter (mod-13), it has negative edge, then write truth table for this circuit. Note (clear and preset are Active High)

د تعديل 4. Are the following statements correct or wrong? Justify your answer. (a) GTO requires very low current applied to its gate to be turn off. (b) IGBT is a voltage driven device. (c) BJT is more efficient than IGBT in high power applications. (d) Thyristors are used only for low voltage, low current applications. (e) MOSFETS are used for high frequency applications. تمويه رش الألوان فلتر اقتصاص تدوير

3a. Describe the following multiple access techniques. a) Frequency Division Multiple Access (FDMA). b) Time Division Multiple Access (TDMA). c) Code Division Multiple Access (CDMA) d) Describe how Code Division Multiple Access (CDMA) differs from Frequency Division Multiple Access (FDMA). Support your answer with illustrations and justification when necessary. 3b. Briefly explain the migration from UMTS (3G) to LTE (4G) in terms of the following criteria. Data Rate, UL/DL Latency Coverage Speed Bandwidth Criteria

Which of the following multiple access techniques are used by second generation cellular systems? a) FDMA/FDD and TDMA/FDD b) TDMA/FDD and CDMA/FDD c) FDMA/FDD and CDMA/FDD d) FDMA/FDD only

1. What are the advantages of VSB over DSB and SSB?   please help me with those questions, those are from Communication Engineering, Electrical and electronics engineering.

1. Are the following statements correct or wrong? (a) Thyristors are used only for low voltage, low current applications. (b) MOSFETs are used for high frequency applications. (c) BJT is more efficient than IGBT in high power applications. (d) GTO requires very low current applied to its gate to be turn off. (e) IGBT is a voltage driven device. 2. Are the following statements correct or wrong? (a) Thyristors are preferred to be used in the output stage of 10W IMHz transmitter. (b) MOSFETs are preferred to be used for 1000 kW motor control circuit. (c) TRIAC is used for lighting dimmer circuits. (d) IGBT in high voltage de rectifier circuits (above 5kV level). (e) BJT is the fastest switching device in power applications. Choose the correct answer for the following questions (3-7): 3. The conditions which must be satisfied to turn on the thyristor with its current is more than its latching current are: (a) The anode is more positive than the cathode and a positive current pulse is…

1. Are the following statements correct or wrong? (a) Thyristors are used only for low voltage, low current applications. (b) MOSFETs are used for high frequency applications. (c) BJT is more efficient than IGBT in high power applications. (d) GTO requires very low current applied to its gate to be turn off. (e) IGBT is a voltage driven device. 2. Are the following statements correct or wrong? (a) Thyristors are preferred to be used in the output stage of 10W IMHz transmitter. (b) MOSFETs are preferred to be used for 1000 kW motor control circuit. (c) TRIAC is used for lighting dimmer circuits. (d) IGBT in high voltage de rectifier circuits (above 5kV level). (e) BJT is the fastest switching device in power applications. Choose the correct answer for the following questions (3-7): 3. The conditions which must be satisfied to turn on the thyristor with its current is more than its latching current are: (a) The anode is more positive than the cathode and a positive current pulse is…

please solution this question   what is frequancy of the opreate this? 1-microwave 2-wifi 3-bluetooth we need the frequancy all this three of them...

Choose the correct Answer: The difference in the propagation delay between the fastest and slowest pairs of the same un-twisted pair cable is called, O a. Delay Distortion O b. Propagation Speed O . Propagation Time O d. Delay Skew O e. Cross Talk