What is the best smart door lock for an office at a company? which one is more secure than others and why?

I need the Advantage and Disadvantage for each type

CASE - I

Ford Pinto : In the class, we learned the reasons behind disastrous engineering failures, Ford Pinto case is one of the disastrous in the list.

Analyze the ford pinto case, search the case on the websites and answer the following.

Answer the following questions in detail.

Questions:
1. a) List down engineering failure and causes?
    b) List down ethical issues?

2. What are the precaution has been taken place after the incidents?

CASE-II

Lucy is a young teacher at a popular school with an incredibly busy and stressful schedule, who needs to organize what little free time she has more efficiently. Because of the hectic schedule she has downloaded a new Mobile app called 'daily-scheduler' onto her iPhone; this mobile app merges information from Lucy’s to-do-list, information on her purchasing habits from retail stores she shops at, and GPS software to produce the most efficient map and directions for running ‘daily-scheduler’ on her days off. Based on what it knows about what she needs to purchase and her general shopping habits, it tells Lucy what locations of her favorite stores to visit on a given day, in what order and by what routes – this way she can get her ‘daily-scheduler’ done in the least amount of time, traveling the least number of miles. To accomplish this, the mobile app aggregates information not only about where she lives and shops, but also tracks what she typically buys in each store, how much she buys, what she typically pays for each item. This collected data is not stored on Lucy’s phone, but on a separate server that the app links to when it needs to create a shopping map. The mobile app encourages users to log in social media channel via Facebook, as the developers have made a deal with Facebook to sell this data to third-party advertisers, for the purpose of targeting Facebook ads to Lucy and her friends.

Answer the following questions in detail.

Questions:
1. In what ways could Lucy potentially be harmed by this mobile app, depending on how it is designed and how her shopping data is handled and used? Identify a few harmful scenarios you can think of, and the types of harm she could suffer in each.

2. Which if any of these harms could result from ethical failings on the part of the people who developed 'daily-scheduler'? How, specifically?

3. What actions could the people behind 'daily-scheduler' take to prevent these harms ? Are they ethically obligated to prevent them? Why or why not? Explain your answer.

PLEASE NOTE:

* All the students MUST write the answers with their own. Do not copy
websites.
*

Question 1:-

A) Develop a feasible design : draw the measurement system block diagram and describe the function of all needed subsystems

Please drow the block diagram on computer, if not, write it clearly please.

How is network data delivered on the Internet versus the World Wide Web?

You produce cryogenice fridges in your factory. You must design a control system for the fridge, but, using the same sensor, must also supply the end-user with a temperature monitoring. Unlike a commercial freezer with a somewhat daunty electromechanical thermostat, a cryo freezer is controlled in a tight band around minus 85^oC.
Therefore, in controlling a cryogenic fridge, you need to have the most accurate information available that you can get around the operating range of the fridge (nominally at -85^oC, but in monitoring the fridge, it can run away (colder than -85^oC) or defrost if faulty and reach ambient temperature (say max 50^oC to be safe).
Due to the economy of RTD sensors, it is decided by management to use a PT100 RTD sensor (range -400 ^oF to 1200 ^oF) with a smart transmitter and it need to be set up correctly to a 4-20mA input on the PLC, controlling the fridge.
As motivated above, the measuring range should be -100^oC to 50^oC (which should cater for the worst ambient temperature).
(i) Make sure the RTD is the correct choice,
(ii) set the smart transmitter up correctly (span, offset, type),
(iii) find the straight line equation (in the form y = ax+b, y in mA, x in ^oC) for the temperature in ^oC to mA output of the smart transmitter,
(iv) test your equation at the extremes (-85^oC to 50^oC)

Explain 5 ways in which Instrumentation & Control systems should categorically contribute to the bottom-line of a factory's profitability. Provide an example

Compare industrial C&I equipment to commercial electronics such as televisions. Name at least two critical aspects in which industrial systems differ

(Pre-Lab) Which of these systems needs to be treated as a transmission line system and why? Justify your answer quantitatively. Indicate any assumptions that you are making.

(a) Integrated circuit at high frequencies (500 MHz - 1 GHz)

(b) Electrical lines running through your house

(c) Electrical lines connecting cities separated by hundreds of kilometers

(d) VHF antenna that leads from a rabbit ear antenna to your television

Need this answered URGENTLY, please.

Animate the arbitrary rotation (attitude change) of a pyramid by MATLAB.

You need to use the DCM kinematic equation (DCM differential equation)

This is the code example given:

figure
x = linspace(0,4*pi,2000);

for k = 1:length(x)
grid on
plot3(0,0,0);
hold on;
axis([0 4*pi -1 1 -1 1]);
view(45,45);
plot3([0 x(k)],[0 sin(x(k))],[0 cos(x(k))]);
hold off;
pause(0.01);
end

How do you code or what is the code/algorithum for crest factor with a range of 1-3 and power factor of 0.4-1 when designing an electronic load?

Car Rental Management System in C++

The aim of this project is to design and implement a computerized Car Rental Management System for a company called COEN244Cars.

The company rents two types of cars: standard and luxury cars. A car is identified by a car identification number (int), a type (string), and a flag that indicates whether the car is currently available or not. The company distinguishes between three types of customers: regular customers, corporate customers, and VIPs (Very Important Persons). A customer is identified by a customer number (int), name (string), address (string), and a telephone number (string). A corporate customer has the following additional attributes: The name (string) and address of the customer’s company (string). Furthermore, the customers have different types of privileges. A regular customer can only rent standard cars for a maximum period of 20 days. Corporate customers and VIPs can rent all types of cars. However, corporate customers can rent a car for a maximum period of 35 days, whereas VIPs can rent a car for a maximum period of 45 days. Using your system, the COEN244Car company should be able to do the following tasks:

a) Add a new car to the inventory

b) Remove an existing car from the inventory

c) Register new customers

d) Remove a given customer from the customer’s list

e) Rent a car to a customer

f) Return a car and update car information

g) Return the privileges of a particular customer.

h) Change the privileges (e.g., modify the rental period for regular customers to 25).

i) Determine whether a given car is rented or not

j) Determine whether a given customer has rented a car

k) Determine whether a given car is a regular customer, corporate, or VIP.

l) Determine the types of cars rented by a customer of a given company.

Question 1

A. Implement the class or classes that represent the car information.

B. Implement the class or classes that represent the company’s customers.

C. Implement the class CarRentalManagement that supports the functions (a) to (l)

Notes: Provide all the necessary data members, constructors, copy constructors, destructors, and member functions.

Include the run result.

explain how a CE amplifier amplifies the ac signal

2. (a) Explain the meaning of the CT specification 200/1, 10 VA, Class 5P10.

(b) When should a CT with a 5 A secondary rating not be used?

(c) Determine the required knee point voltage of a 3 VA CT with a setting of 0.2 A and an Accuracy Limit Factor of 20 (neglect saturation).

(d) What is meant by residually connected CT's?

Write VHDL code for the following:

Use HEX-to-seven segment display converters to display the inputs and results for a 4-bit adder. The inputs are unsigned 4-bit binary numbers. The outcome is a 4-bit binary adder with LED display.

First you need to create a symbol for the HEX-to-seven segment display converter. Then implement a 4-bit adder using VHDL. Finally, connect three HEX-to-seven segment display converters to display input X, input Y, and sum S.