Q/ Draw the flow diagram of Stop-and-Wait protocol in the following scenario

• Frame 0 is sent, and acknowledged.
• Frame 1 is sent, but the acknowledgment is lost.
• Frame 1 is resent and acknowledged.
• Frame 0 is sent, but lost.
• Frame 0 is resent, and acknowledged.

Please consider FIRST 6 Character from your name and LAST 2 digits of your students ID. Calculate the checksum for the above text. The text needs to be divided into 2-byte (16-bit) words. Also check that the data is reached without any alteration using your checksum.

[ the text is MajedA08]

The expression below relates with the necessity of estimating the energy need in one country. Describe each component contains in the following expression. Explain the importance of estimating the future energy need.
M = M_Oe^at

design basic series inverter with diagram and some explanation (in your own words: min of 150 words), propose a method to overcome its limitations.

By giving an example,elaborate the benefits of telecommunication evolution.

Question 4
a) An aluminum wire 7.5m long is connected in parallel with a copper wire 6m long. When a current of 5A is passed through the combination, it is found that the current in the aluminium wire is 3A. If the diameter of the aluminium wire is 1mm, determine the diameter of the copper wire. Assume the resistivity of copper to be 0.017μΩm and that of aluminium to be 0.028 μΩm.
b) Two capacitors A and B are connected in series across a 100V supply and it is observed that the p.ds across them 60V and 40V respectively. A capacitor of 2μF capacitance is now connected in parallel with A and the p.d across B rises to 90V. Calculate the capacitance of A and B in microfarads. EV[8marks]
c) Give four 1Ω resistors,state how they must be connected to give an overall resistance of (a) ¼ Ω (b) 1Ω (c) 4/3Ω (d) 5/2 Ω, all four resistors being connected

6. Sketch how a 7-input LUT is configured in the standard Virtex 7 Series SLICEL design?

Design a counter that uses only 3 D flip-flops and as many logic gates as needed. The counter follows a sequence: 0, 5, 25, 15, 9, 6, 12, 3, 0, 5, 25, 15, 9, 6, 12, 3, …. Show all design details, i.e., block diagram, equations, and circuit diagram.

10. What is a typical FPGA design flow and how has this changed in modern FPGA architectures?

•The rotor impedance at standstill of a three-phase, Y-connected, 208-V, 60Hz, 8-pole, wound-rotor induction motor is 0.1 + j0.5 Ω/phase. •Determine the breakdown slip, (0.2) the breakdown (maximum) torque, (458.37 Nm) and the power developed by the motor at maximum torque (34.6kW). •What is the starting torque of this motor? (176.3 Nm) •Determine the resistance that must be inserted in series with the rotor circuit so that the starting torque is 50% of the maximum torque. (0.034Ω)

1 - Draw any control Circuit and explain the operation of the circuit you have drawn ?

A three phase source supplies a building with 18 KV which has a group of four 3-phase loads as follows:

LOAD 1: Wye connected; S=444 KVA and 0.84 lagging power factor

LOAD 2: Delta connected; S=693.75 KVA and 0.64 leading power factor

LOAD 3: Wye connected; Z= 140 + j240 Ω

LOAD 4: Unbalanced wye-connected and grounded load, with  Za = 14+j3 Ω , Zb = 5-j24Ω and Zc =1+j14 Ω

What is the current phasor flowing through each conductor?

Explain how system-level specification and modeling languages are selected for performance evaluation of system-on-chip (SoC) blocked-based designs.

A single-phase transformer 5 kVA, operating at 50 Hz frequency has turns ratio of 20. The primary and the secondary winding resistances are 0.15 Ω and 0.025 Ω respectively, and the primary and secondary leakage reactances are 0.65 Ω and 0.15 Ω respectively. The magnetizing inductance and core loss resistance are 6 Ω and 1 Ω respectively.

i. Calculate the primary and secondary impedances referred to primary and sketch the APPROXIMATE equivalent circuit. (Note: please show all parameters in the circuit)

ii. Hence, by referring to primary equivalent circuit, determine the supply voltage and its phase angle if output terminal is connected to a load ZL= 14∠20° Ω and load voltage, V2 is 240∠0° Vrms.

determine the voltage regulation and efficiency when core loss is equal to 100 W.

개념적인 질문을 하려고 합니다.  I'm going to ask you a conceptual question.

컴퓨터비젼이란 어떤 학문이고, 어떤 식으로 상용화가 되고 있나요? What kind of learning is computer vision and how is it being commercialized?

딥러닝과 머신러닝의 차이점은 무엇인가요? What is the difference between deep learning and machine learning?

컴퓨터 비전 중에 유망한 학문은 어느분야인가요? Which field is a promising subject in the computer vision?